Source code for DispaSET.postprocessing.postprocessing

# -*- coding: utf-8 -*-
"""
Set of functions useful to analyse to DispaSET output data.

@author: Sylvain Quoilin, JRC
"""

from __future__ import division

import datetime as dt
import logging
import os
import pickle
import sys

import matplotlib.pyplot as plt
import numpy as np
import pandas as pd

from ..misc.gdx_handler import gdx_to_list, gdx_to_dataframe, get_gams_path
from ..misc.str_handler import shrink_to_64, clean_strings
from ..common import commons

 # get color definitions: 


[docs]def GAMSstatus(statustype,num): ''' Function that returns the model status or the solve status from gams :param statustype: String with the type of status to retrieve ("solver" or "model") :param num: Indicated termination condition (Integer) :returns: String with the status ''' if statustype=="model": msg = {1: u'Optimal solution achieved', 2: u'Local optimal solution achieved', 3: u'Unbounded model found', 4: u'Infeasible model found', 5: u'Locally infeasible model found (in NLPs)', 6: u'Solver terminated early and model was infeasible', 7: u'Solver terminated early and model was feasible but not yet optimal', 8: u'Integer solution model found', 9: u'Solver terminated early with a non integer solution found (only in MIPs)', 10: u'No feasible integer solution could be found', 11: u'Licensing problem', 12: u'Error achieved \u2013 No cause known', 13: u'Error achieved \u2013 No solution attained', 14: u'No solution returned', 15: u'Feasible in a CNS models', 16: u'Locally feasible in a CNS models', 17: u'Singular in a CNS models', 18: u'Unbounded \u2013 no solution', 19: u'Infeasible \u2013 no solution'} elif statustype=="solver": msg = {1: u'Normal termination', 2: u'Solver ran out of iterations (fix with iterlim)', 3: u'Solver exceeded time limit (fix with reslim)', 4: u'Solver quit with a problem (see LST file) found', 5: u'Solver quit with excessive nonlinear term evaluation errors (see LST file and fix with bounds or domlim)', 6: u'Solver terminated for unknown reason (see LST file)', 7: u'Solver terminated with preprocessor error (see LST file)', 8: u'User interrupt', 9: u'Solver terminated with some type of failure (see LST file)', 10: u'Solver terminated with some type of failure (see LST file)', 11: u'Solver terminated with some type of failure (see LST file)', 12: u'Solver terminated with some type of failure (see LST file)', 13: u'Solver terminated with some type of failure (see LST file)'} else: sys.exit('Incorrect GAMS status type') return str(msg[num])
[docs]def get_load_data(inputs, c): """ Get the load curve, the residual load curve, and the net residual load curve of a specific country :param inputs: DispaSET inputs (output of the get_sim_results function) :param c: Country to consider (e.g. 'BE') :return out: Dataframe with the following columns: Load: Load curve of the specified country ResidualLoad: Load minus the production of variable renewable sources NetResidualLoad: Residual netted from the interconnections with neightbouring countries """ datain = inputs['param_df'] out = pd.DataFrame(index=datain['Demand'].index) out['Load'] = datain['Demand']['DA', c] # Listing power plants with non-dispatchable power generation: VREunits = [] VRE = np.zeros(len(out)) for t in commons['tech_renewables']: for u in datain['Technology']: if datain['Technology'].loc[t, u]: VREunits.append(u) VRE = VRE + datain['AvailabilityFactor'][u].values * datain['PowerCapacity'].loc[u, 'PowerCapacity'] Interconnections = np.zeros(len(out)) for l in datain['FlowMinimum']: if l[:2] == c: Interconnections = Interconnections - datain['FlowMinimum'][l].values elif l[-2:] == c: Interconnections = Interconnections + datain['FlowMinimum'][l].values out['ResidualLoad'] = out['Load'] - VRE out['NetResidualLoad'] = out['ResidualLoad'] - Interconnections return out
[docs]def aggregate_by_fuel(PowerOutput, Inputs, SpecifyFuels=None): """ This function sorts the power generation curves of the different units by technology :param PowerOutput: Dataframe of power generationwith units as columns and time as index :param Inputs: Dispaset inputs version 2.1.1 :param SpecifyFuels: If not all fuels should be considered, list containing the relevant ones :returns PowerByFuel: Dataframe with power generation by fuel """ if SpecifyFuels is None: if isinstance(Inputs, list): fuels = Inputs[0]['f'] elif isinstance(Inputs, dict): fuels = Inputs['sets']['f'] else: logging.error('Inputs variable no valid') sys.exit(1) else: fuels = SpecifyFuels PowerByFuel = pd.DataFrame(0, index=PowerOutput.index, columns=fuels) uFuel = Inputs['units']['Fuel'] for u in PowerOutput: if uFuel[u] in fuels: PowerByFuel[uFuel[u]] = PowerByFuel[uFuel[u]] + PowerOutput[u] else: logging.warn('Fuel not found for unit ' + u + ' with fuel ' + uFuel[u]) return PowerByFuel
[docs]def filter_by_country(PowerOutput, inputs, c): """ This function filters the dispaset Output Power dataframe by country :param PowerOutput: Dataframe of power generationwith units as columns and time as index :param Inputs: Dispaset inputs version 2.1.1 :param c: Selected country (e.g. 'BE') :returns Power: Dataframe with power generation by country """ loc = inputs['units']['Zone'] Power = PowerOutput.loc[:, [u for u in PowerOutput.columns if loc[u] == c]] return Power
[docs]def get_plot_data(inputs, results, c): """ Function that reads the results dataframe of a DispaSET simulation and extract the dispatch data spedific to one country :param results: Pandas dataframe with the results (output of the GdxToDataframe function) :param c: Country to be considered (e.g. 'BE') :returns plotdata: Dataframe with the dispatch data storage and outflows are negative """ tmp = filter_by_country(results['OutputPower'], inputs, c) plotdata = aggregate_by_fuel(tmp, inputs) if 'OutputStorageInput' in results: #onnly take the columns that correspond to storage units (StorageInput is also used for CHP plants): cols = [col for col in results['OutputStorageInput'] if inputs['units'].loc[col,'Technology'] in commons['tech_storage']] tmp = filter_by_country(results['OutputStorageInput'][cols], inputs, c) plotdata['Storage'] = -tmp.sum(axis=1) else: plotdata['Storage'] = 0 plotdata.fillna(value=0, inplace=True) plotdata['FlowIn'] = 0 plotdata['FlowOut'] = 0 for col in results['OutputFlow']: if col[-2:] == c: plotdata['FlowIn'] = plotdata['FlowIn'] + results['OutputFlow'][col] for col in results['OutputFlow']: if col[:2] == c: plotdata['FlowOut'] = plotdata['FlowOut'] - results['OutputFlow'][col] # re-ordering columns: OrderedColumns = [col for col in commons['MeritOrder'] if col in plotdata.columns] plotdata = plotdata[OrderedColumns] # remove empty columns: for col in plotdata.columns: if plotdata[col].max() == 0 and plotdata[col].min()==0: del plotdata[col] return plotdata
[docs]def plot_dispatch(demand, plotdata, level=None, curtailment=None, rng=None, alpha=None, figsize=(13, 6)): """ Function that plots the dispatch data and the reservoir level as a cumulative sum :param demand: Pandas Series with the demand curve :param plotdata: Pandas Dataframe with the data to be plotted. Negative columns should be at the beginning. Output of the function GetPlotData :param level: Optional pandas series with an aggregated reservoir level for the considered zone. :param curtailment: Optional pandas series with the value of the curtailment :param rng: Indexes of the values to be plotted. If undefined, the first week is plotted """ import matplotlib.patches as mpatches import matplotlib.lines as mlines if rng is None: pdrng = plotdata.index[:min(len(plotdata)-1,7*24)] elif not type(rng) == type(demand.index): logging.error('The "rng" variable must be a pandas DatetimeIndex') raise ValueError() elif rng[0] < plotdata.index[0] or rng[0] > plotdata.index[-1] or rng[-1] < plotdata.index[0] or rng[-1] > plotdata.index[-1]: logging.warn('Plotting range is not properly defined, considering the first simulated week') pdrng = plotdata.index[:min(len(plotdata)-1,7*24)] else: pdrng = rng # Netting the interconnections: if 'FlowIn' in plotdata and 'FlowOut' in plotdata: plotdata['FlowOut'],plotdata['FlowIn'] = (np.minimum(0,plotdata['FlowIn']+plotdata['FlowOut']),np.maximum(0,plotdata['FlowOut']+plotdata['FlowIn'])) # find the zero line position: cols = plotdata.columns.tolist() idx_zero = 0 tmp = plotdata.iloc[:,idx_zero].mean() while tmp <= 0 and idx_zero<len(cols)-1: idx_zero += 1 tmp = plotdata.iloc[:,idx_zero].mean() tmp = plotdata[cols[:idx_zero]].sum(axis=1) sumplot_neg = pd.DataFrame() sumplot_neg['sum'] = tmp tmp2 = plotdata[cols[:idx_zero]] for col in tmp2: sumplot_neg[col] = - tmp2[col] sumplot_neg = sumplot_neg.cumsum(axis=1) sumplot_pos = plotdata[cols[idx_zero:]].cumsum(axis=1) sumplot_pos['zero'] = 0 sumplot_pos = sumplot_pos[['zero'] + sumplot_pos.columns[:-1].tolist()] fig, axes = plt.subplots(nrows=2, ncols=1, sharex=True, figsize=(figsize), frameon=False, # 14 4*2 gridspec_kw={'height_ratios': [2.7, .8], 'hspace': 0.04}) # Create left axis: # ax.set_ylim([-10000,15000]) axes[0].plot(pdrng, demand[pdrng], color='k') axes[0].set_xlim(pdrng[0],pdrng[-1]) fig.suptitle('Power dispatch for country ' + demand.name[1]) labels = [] patches = [] colorlist = [] # # Plot negative values: for j in range(idx_zero): col1 = sumplot_neg.columns[j] col2 = sumplot_neg.columns[j + 1] color = commons['colors'][col2] hatch = commons['hatches'][col2] axes[0].fill_between(pdrng, sumplot_neg.loc[pdrng, col1], sumplot_neg.loc[pdrng, col2], facecolor=color, alpha=alpha, hatch=hatch) labels.append(col1) patches.append(mpatches.Patch(facecolor=color, alpha=alpha, hatch=hatch, label=col2)) colorlist.append(color) # Plot Positive values: for j in range(len(sumplot_pos.columns) - 1): col1 = sumplot_pos.columns[j] col2 = sumplot_pos.columns[j + 1] color = commons['colors'][col2] hatch = commons['hatches'][col2] axes[0].fill_between(pdrng, sumplot_pos.loc[pdrng, col1], sumplot_pos.loc[pdrng, col2], facecolor=color, alpha=alpha, hatch=hatch) labels.append(col2) patches.append(mpatches.Patch(facecolor=color, alpha=alpha, hatch=hatch, label=col2)) colorlist.append(color) # Plot curtailment: if isinstance(curtailment,pd.Series): if not curtailment.index.equals(demand.index): logging.error('The curtailment time series must have the same index as the demand') sys.exit(1) axes[0].fill_between(pdrng, sumplot_neg.loc[pdrng, 'sum'] - curtailment[pdrng], sumplot_neg.loc[pdrng, 'sum'], facecolor=commons['colors']['curtailment']) labels.append('Curtailment') patches.append(mpatches.Patch(facecolor=commons['colors']['curtailment'], label='Curtailment')) axes[0].set_ylabel('Power [GW]') axes[0].yaxis.label.set_fontsize(12) if level is not None: # Create right axis: axes[1].plot(pdrng, level[pdrng], color='k', alpha=alpha, linestyle=':') axes[1].fill_between(pdrng, 0 ,level[pdrng], facecolor= commons['colors']['WAT'],alpha=.3) axes[1].set_ylabel('Level [TWh]') axes[1].yaxis.label.set_fontsize(12) line_SOC = mlines.Line2D([], [], color='black', alpha=alpha, label='Reservoir', linestyle=':') line_demand = mlines.Line2D([], [], color='black', label='Load') plt.legend(handles=[line_demand] + patches[::-1], loc=4) if level is None: plt.legend(handles=[line_demand] + patches[::-1], loc=4) else: plt.legend(title='Dispatch for ' + demand.name[1], handles=[line_demand] + [line_SOC] + patches[::-1], loc=4)
[docs]def plot_rug(df_series, on_off=False, cmap='Greys', fig_title='', normalized=False): """Create multiaxis rug plot from pandas Dataframe Arguments: df_series (pd.DataFrame): 2D pandas with timed index on_off (bool): if True all points that are above 0 will be plotted as one color. If False all values will be colored based on their value. cmap (str): palette name (from colorbrewer, matplotlib etc.) fig_title (str): Figure title normalized (bool): if True, all series colormaps will be normalized based on the maximum value of the dataframe Returns: plot Function copied from enlopy v0.1 www.github.com/kavvkon/enlopy. Install with `pip install enlopy` for latest version. """ def format_axis(iax): # Formatting: remove all lines (not so elegant) for spine in ['top', 'right', 'left', 'bottom']: iax.axes.spines[spine].set_visible(False) # iax.xaxis.set_ticks_position('none') iax.yaxis.set_ticks_position('none') iax.get_yaxis().set_ticks([]) iax.yaxis.set_label_coords(-.05, -.1) def flag_operation(v): if np.isnan(v) or v == 0: return False else: return True # check if Series or dataframe if isinstance(df_series, pd.DataFrame): rows = len(df_series.columns) elif isinstance(df_series, pd.Series): df_series = df_series.to_frame() rows = 1 else: raise ValueError("Has to be either Series or Dataframe") if len(df_series) < 1: raise ValueError("Has to be non empty Series or Dataframe") max_color = np.nanmax(df_series.values) min_color = np.nanmin(df_series.values) __, axes = plt.subplots(nrows=rows, ncols=1, sharex=True, figsize=(16, 0.25 * rows), squeeze=False, frameon=False, gridspec_kw={'hspace': 0.15}) for (item, iseries), iax in zip(df_series.iteritems(), axes.ravel()): format_axis(iax) iax.set_ylabel(str(item)[:30], rotation='horizontal', rotation_mode='anchor', horizontalalignment='right', x=-0.01) x = iseries.index if iseries.sum() > 0: # if series is not empty if on_off: i_on_off = iseries.apply(flag_operation).replace(False, np.nan) i_on_off.plot(ax=iax, style='|', lw=.7, cmap=cmap) else: y = np.ones(len(iseries)) # Define (truncated) colormap: if not normalized: # Replace max_color (frame) with series max max_color = np.nanmax(iseries.values) min_color = np.nanmin(iseries.values) # Hack to plot max color when all series are equal if np.isclose(min_color, max_color): min_color = min_color * 0.99 iax.scatter(x, y, marker='|', s=100, c=iseries.values, vmin=min_color, vmax=max_color, cmap=cmap) axes.ravel()[0].set_title(fig_title) axes.ravel()[-1].spines['bottom'].set_visible(True) axes.ravel()[-1].set_xlim(np.min(x), np.max(x))
[docs]def plot_energy_country_fuel(inputs, results, PPindicators): """ Plots the generation for each country, disaggregated by fuel type :param results: Dictionnary with the outputs of the model (output of the function GetResults) :param PPindicators: Por powerplant statistics (output of the function get_indicators_powerplant) """ fuels = PPindicators.Fuel.unique() countries = PPindicators.Zone.unique() GenPerCountry = pd.DataFrame(index=countries, columns=fuels) # First make sure that all fuels are present. If not, initialize an empty series for f in commons['Fuels'] + ['FlowIn']: if f not in GenPerCountry: GenPerCountry[f] = 0 for c in countries: for f in fuels: tmp = PPindicators[(PPindicators.Fuel == f) & (PPindicators.Zone == c)] GenPerCountry.loc[c, f] = tmp.Generation.sum() NetImports = get_imports(results['OutputFlow'], c) if NetImports > 0: GenPerCountry.loc[c, 'FlowIn'] = NetImports cols = [col for col in commons['MeritOrder'] if col in GenPerCountry] GenPerCountry = GenPerCountry[cols] / 1E6 colors = [commons['colors'][tech] for tech in GenPerCountry.columns] ax = GenPerCountry.plot(kind="bar", figsize=(12, 8), stacked=True, color=colors, alpha=0.8, legend='reverse', title='Generation per country (the horizontal lines indicate the demand)') ax.set_ylabel('Generation [TWh]') demand = inputs['param_df']['Demand']['DA'].sum() / 1E6 ax.barh(demand, left=ax.get_xticks() - 0.4, width=[0.8] * len(demand), height=ax.get_ylim()[1]*0.005, linewidth=2, color='k') return ax
[docs]def plot_country_capacities(inputs,plot=True): """ Plots the installed capacity for each country, disaggregated by fuel type :param inputs: Dictionnary with the inputs of the model (output of the function GetResults) """ units = inputs['units'] CountryFuels = {} for u in units.index: CountryFuels[(units.Zone[u],units.Fuel[u])] = (units.Zone[u],units.Fuel[u]) PowerCapacity = pd.DataFrame(columns=inputs['sets']['f'],index=inputs['sets']['n']) StorageCapacity = pd.DataFrame(columns=inputs['sets']['f'],index=inputs['sets']['n']) for n,f in CountryFuels: idx = ((units.Zone == n) & (units.Fuel==f)) PowerCapacity.loc[n,f] = (units.PowerCapacity[idx]*units.Nunits[idx]).sum() StorageCapacity.loc[n,f] = (units.StorageCapacity[idx]*units.Nunits[idx]).sum() cols = [col for col in commons['MeritOrder'] if col in PowerCapacity] PowerCapacity = PowerCapacity[cols] if plot: colors = [commons['colors'][tech] for tech in PowerCapacity.columns] ax = PowerCapacity.plot(kind="bar", figsize=(12, 8), stacked=True, color=colors, alpha=1.0, legend='reverse', title='Installed capacity per country (the horizontal lines indicate the peak demand)') ax.set_ylabel('Capacity [MW]') demand = inputs['param_df']['Demand']['DA'].max() ax.barh(demand, left=ax.get_xticks() - 0.4, width=[0.8] * len(demand), height=ax.get_ylim()[1]*0.005, linewidth=2, color='k') return {'PowerCapacity':PowerCapacity,'StorageCapacity':StorageCapacity}
[docs]def get_sim_results(path='.', gams_dir=None, cache=False, temp_path='.pickle'): """ This function reads the simulation environment folder once it has been solved and loads the input variables together with the results. :param path: Relative path to the simulation environment folder (current path by default) :param cache: If true, caches the simulation results in a pickle file for faster loading the next time :param temp_path: Temporary path to store the cache file :returns inputs,results: Two dictionaries with all the input and outputs """ inputfile = path + '/Inputs.p' resultfile = path + '/Results.gdx' with open(inputfile, 'rb') as f: inputs = pickle.load(f) # Clean power plant names: inputs['sets']['u'] = clean_strings(inputs['sets']['u']) inputs['units'].index = clean_strings(inputs['units'].index.tolist()) # inputs['units']['Unit'] = clean_strings(inputs['units']['Unit'].tolist()) # Add the formated parameters in the inputs variable if not already present: if not 'param_df' in inputs: inputs['param_df'] = ds_to_df(inputs) if gams_dir is None: # Use user-defined gams_dir else try to use the one defined in config gams_dir = inputs['config']['GAMS_folder'].encode() gams_dir = get_gams_path(gams_dir) # We need to pass the dir in config if we run it in clusters. PBS script fail to autolocate if not gams_dir: # couldn't locate logging.error('GAMS path cannot be located. Cannot parse gdx files') return False # Load results and store in cache file in the .pickle folder: if cache: import hashlib m = hashlib.new('md5', resultfile.encode('utf-8')) resultfile_hash = m.hexdigest() filepath_pickle = str(temp_path + os.path.sep + resultfile_hash + '.p') if not os.path.isdir(temp_path): os.mkdir(temp_path) if not os.path.isfile(filepath_pickle): time_pd = 0 else: time_pd = os.path.getmtime(filepath_pickle) if os.path.getmtime(resultfile) > time_pd: results = gdx_to_dataframe(gdx_to_list(gams_dir, resultfile, varname='all', verbose=True), fixindex=True, verbose=True) with open(filepath_pickle, 'wb') as pfile: pickle.dump(results, pfile) else: with open(filepath_pickle, 'rb') as pfile: results = pickle.load(pfile) else: results = gdx_to_dataframe(gdx_to_list(gams_dir, resultfile, varname='all', verbose=True), fixindex=True, verbose=True) # Set datetime index: StartDate = inputs['config']['StartDate'] StopDate = inputs['config']['StopDate'] # last day of the simulation with look-ahead period StopDate_long = pd.datetime(*StopDate) + dt.timedelta(days=inputs['config']['LookAhead']) index = pd.DatetimeIndex(start=pd.datetime(*StartDate), end=pd.datetime(*StopDate), freq='h') index_long = pd.DatetimeIndex(start=pd.datetime(*StartDate), end=StopDate_long, freq='h') # Setting the proper index to the result dataframes: for key in ['OutputPower', 'OutputSystemCost', 'OutputCommitted', 'OutputCurtailedPower', 'OutputFlow', 'OutputShedLoad', 'OutputSpillage', 'OutputStorageLevel', 'OutputStorageInput', 'LostLoad_2U', 'LostLoad_3U', 'LostLoad_MaxPower', 'LostLoad_MinPower', 'LostLoad_RampUp', 'LostLoad_RampDown', 'LostLoad_2D', 'ShadowPrice', 'OutputHeat', 'OutputHeatSlack','status']: if key in results: if len(results[key]) == len( index_long): # Case of variables for which the look-ahead period recorded (e.g. the lost loads) results[key].index = index_long elif len(results[key]) == len( index): # Case of variables for which the look-ahead is not recorded (standard case) results[key].index = index else: # Variables whose index is not complete (sparse formulation) results[key].index = index_long[results[key].index - 1] if key in ['OutputPower', 'OutputSystemCost', 'OutputCommitted', 'OutputCurtailedPower', 'OutputFlow', 'OutputShedLoad', 'OutputSpillage', 'OutputStorageLevel', 'OutputStorageInput','OutputHeat', 'OutputHeatSlack']: results[key] = results[key].reindex(index).fillna(0) # results[key].fillna(0,inplace=True) else: results[key] = pd.DataFrame(index=index) # Clean power plant names: results['OutputPower'].columns = clean_strings(results['OutputPower'].columns.tolist()) # Remove epsilons: if 'ShadowPrice' in results: results['ShadowPrice'][results['ShadowPrice'] == 5e300] = 0 for key in results['OutputPower']: if key not in inputs['units'].index: logging.error("Unit '" + key + "' present in the results cannot be found in the input 'units' dataframe") if key not in inputs['sets']['u']: logging.error("Unit '" + key + "' present in the results cannot be found in the set 'u' from the inputs") if "model" in results['status']: errors = results['status'][(results['status']['model'] != 1) & (results['status']['model'] != 8)] if len(errors) > 0: logging.critical('Some simulation errors were encountered. Some results could not be computed, for example at \n \ time ' + str(errors.index[0]) + ', with the error message: "' + GAMSstatus('model',errors['model'].iloc[0]) + '". \n \ The complete list is available in results["errors"] \n \ The optimization might be debugged by activating the Debug flag in the GAMS simulation file and running it') for i in errors.index: errors.loc[i,'Error Message'] = GAMSstatus('model',errors['model'][i]) results['errors'] = errors return inputs, results
[docs]def plot_country(inputs, results, c='', rng=None, rug_plot=True): """ Generates plots from the dispa-SET results for one specific country :param inputs: DispaSET inputs :param results: DispaSET results :param c: Considered country (e.g. 'BE') """ if c =='': Nzones = len(inputs['sets']['n']) c = inputs['sets']['n'][np.random.randint(Nzones)] print('Randomly selected zone for the detailed analysis: '+ c) elif c not in inputs['sets']['n']: logging.critical('Country ' + c + ' is not in the results') Nzones = len(inputs['sets']['n']) c = inputs['sets']['n'][np.random.randint(Nzones)] logging.critical('Randomly selected country: '+ c) plotdata = get_plot_data(inputs, results, c) / 1000 # GW if 'OutputStorageLevel' in results: level = filter_by_country(results['OutputStorageLevel'], inputs, c) /1E6 #TWh level = level.sum(axis=1) else: level = pd.Series(0, index=results['OutputPower'].index) demand = inputs['param_df']['Demand'][('DA', c)] / 1000 # GW sum_generation = plotdata.sum(axis=1) #if 'OutputShedLoad' in results: if 'OutputShedLoad' in results and c in results['OutputShedLoad']: shed_load = results['OutputShedLoad'][c] / 1000 # GW else: shed_load = pd.Series(0,index=demand.index) / 1000 # GW diff = (sum_generation - demand + shed_load).abs() if diff.max() > 0.01 * demand.max(): logging.critical('There is up to ' + str(diff.max()/demand.max()*100) + '% difference in the instantaneous energy balance of country ' + c) if 'OutputCurtailedPower' in results and c in results['OutputCurtailedPower']: curtailment = results['OutputCurtailedPower'][c] / 1000 # GW plot_dispatch(demand, plotdata, level, curtailment = curtailment, rng=rng) else: plot_dispatch(demand, plotdata, level, rng=rng) # Generation plot: if rug_plot: CountryGeneration = filter_by_country(results['OutputPower'], inputs, c) try: import enlopy as el # try to get latest version el.plot_rug(CountryGeneration, on_off=False, cmap='gist_heat_r', fig_title=c) except ImportError: plot_rug(CountryGeneration, on_off=False, cmap='gist_heat_r', fig_title=c) return True
[docs]def get_imports(flows, c): """ Function that computes the balance of the imports/exports of a given zone :param flows: Pandas dataframe with the timeseries of the exchanges :param c: Country (zone) to consider :returns NetImports: Scalar with the net balance over the whole time period """ NetImports = 0 for key in flows: if key[:len(c)] == c: NetImports -= flows[key].sum() elif key[-len(c):] == c: NetImports += flows[key].sum() return NetImports
# %%
[docs]def get_result_analysis(inputs, results): """ Reads the DispaSET results and provides useful general information to stdout :param inputs: DispaSET inputs :param results: DispaSET results """ # inputs into the dataframe format: dfin = inputs['param_df'] StartDate = inputs['config']['StartDate'] StopDate = inputs['config']['StopDate'] index = pd.DatetimeIndex(start=pd.datetime(*StartDate), end=pd.datetime(*StopDate), freq='h') # Aggregated values: TotalLoad = dfin['Demand']['DA'].loc[index, :].sum().sum() # PeakLoad = inputs['parameters']['Demand']['val'][0,:,idx].sum(axis=0).max() PeakLoad = dfin['Demand']['DA'].sum(axis=1).max(axis=0) NetImports = -get_imports(results['OutputFlow'], 'RoW') Cost_kwh = results['OutputSystemCost'].sum() / (TotalLoad - NetImports) print ('\nAverage electricity cost : ' + str(Cost_kwh) + ' EUR/MWh') for key in ['LostLoad_RampUp', 'LostLoad_2D', 'LostLoad_MinPower', 'LostLoad_RampDown', 'LostLoad_2U', 'LostLoad_3U', 'LostLoad_MaxPower']: LL = results[key].values.sum() if LL > 0.0001 * TotalLoad: logging.critical('\nThere is a significant amount of lost load for ' + key + ': ' + str( LL) + ' MWh. The results should be checked carefully') elif LL > 100: logging.warning('\nThere is lost load for ' + key + ': ' + str( LL) + ' MWh. The results should be checked') print ('\nAggregated statistics for the considered area:') print ('Total consumption:' + str(TotalLoad / 1E6) + ' TWh') print ('Peak load:' + str(PeakLoad) + ' MW') print ('Net importations:' + str(NetImports / 1E6) + ' TWh') # Country-specific values: CountryData = pd.DataFrame(index=inputs['sets']['n']) CountryData['Demand'] = dfin['Demand']['DA'].sum(axis=0) / 1E6 CountryData['PeakLoad'] = dfin['Demand']['DA'].max(axis=0) CountryData['NetImports'] = 0 for c in CountryData.index: CountryData.loc[c, 'NetImports'] = get_imports(results['OutputFlow'], str(c)) / 1E6 CountryData['LoadShedding'] = results['OutputShedLoad'].sum(axis=0) / 1E6 CountryData['Curtailment'] = results['OutputCurtailedPower'].sum(axis=0) / 1E6 print('\nCountry-Specific values (in TWh or in MW):') print(CountryData) # Congestion: Congestion = {} if 'OutputFlow' in results: for l in results['OutputFlow']: if l[:3] != 'RoW' and l[-3:] != 'RoW': Congestion[l] = np.sum( (results['OutputFlow'][l] == dfin['FlowMaximum'].loc[results['OutputFlow'].index, l]) & ( dfin['FlowMaximum'].loc[results['OutputFlow'].index, l] > 0)) print("\nNumber of hours of congestion on each line: ") import pprint pprint.pprint(Congestion) # Country-specific storage data: try: StorageData = pd.DataFrame(index=inputs['sets']['n']) for c in StorageData.index: isstorage = pd.Series(index=inputs['units'].index) for u in isstorage.index: isstorage[u] = inputs['units'].Technology[u] in commons['tech_storage'] sto_units = inputs['units'][(inputs['units'].Zone == c) & isstorage] StorageData.loc[c,'Storage Capacity [MWh]'] = (sto_units.Nunits*sto_units.StorageCapacity).sum() StorageData.loc[c,'Storage Power [MW]'] = (sto_units.Nunits*sto_units.PowerCapacity).sum() StorageData.loc[c,'Peak load shifting [hours]'] = StorageData.loc[c,'Storage Capacity [MWh]']/CountryData.loc[c,'PeakLoad'] AverageStorageOutput = 0 for u in results['OutputPower'].columns: if u in sto_units.index: AverageStorageOutput += results['OutputPower'][u].mean() StorageData.loc[c,'Average daily cycle depth [%]'] = AverageStorageOutput*24/(1e-9+StorageData.loc[c,'Storage Capacity [MWh]']) print('\nCountry-Specific storage data') print(StorageData) except: logging.error('Could compute storage data') StorageData = None return {'Cost_kwh': Cost_kwh, 'TotalLoad': TotalLoad, 'PeakLoad': PeakLoad, 'NetImports': NetImports, 'CountryData': CountryData, 'Congestion': Congestion, 'StorageData': StorageData}
# %%
[docs]def storage_levels(inputs, results): """ Reads the DispaSET results and provides the difference between the minimum storage profile and the computed storage profile :param inputs: DispaSET inputs :param results: DispaSET results """ isstorage = pd.Series(index=inputs['units'].index) for u in isstorage.index: isstorage[u] = inputs['units'].Technology[u] in commons['tech_storage'] sto_units = inputs['units'][isstorage] results['OutputStorageLevel'].plot(figsize=(12,6),title='Storage levels') StorageError = ((inputs['param_df']['StorageProfile']*sto_units.StorageCapacity).subtract(results['OutputStorageLevel'],'columns')).divide((sto_units.StorageCapacity),'columns')*(-100) StorageError = StorageError.dropna(1) ax = StorageError.plot(figsize=(12,6),title='Difference between the calculated storage Levels and the (imposed) minimum level') ax.set_ylabel('%') return True
[docs]def get_indicators_powerplant(inputs, results): """ Function that analyses the dispa-set results at the power plant level Computes the number of startups, the capacity factor, etc :param inputs: DispaSET inputs :param results: DispaSET results :returns out: Dataframe with the main power plants characteristics and the computed indicators """ out = inputs['units'].loc[:, ['Nunits','PowerCapacity', 'Zone', 'Technology', 'Fuel']] out['startups'] = 0 for u in out.index: if u in results['OutputCommitted']: # count the number of start-ups values = results['OutputCommitted'].loc[:, u].values diff = -(values - np.roll(values, 1)) startups = diff > 0 out.loc[u, 'startups'] = startups.sum() out['CF'] = 0 out['Generation'] = 0 for u in out.index: if u in results['OutputPower']: # count the number of start-ups out.loc[u, 'CF'] = results['OutputPower'][u].mean() / (out.loc[u, 'PowerCapacity']*out.loc[u,'Nunits']) out.loc[u, 'Generation'] = results['OutputPower'][u].sum() return out
[docs]def ds_to_df(inputs): """ Function that converts the dispaset data format into a dictionary of dataframes :param inputs: input file :return: dictionary of dataframes """ sets, parameters = inputs['sets'], inputs['parameters'] # config = parameters['Config']['val'] try: config = inputs['config'] first_day = pd.datetime(config['StartDate'][0], config['StartDate'][1], config['StartDate'][2], 0) last_day = pd.datetime(config['StopDate'][0], config['StopDate'][1], config['StopDate'][2], 23) dates = pd.date_range(start=first_day, end=last_day, freq='1h') timeindex=True except: logging.warn('Could not find the start/stop date information in the inputs. Using an integer index') dates = range(1, len(sets['z']) + 1) timeindex=False if len(dates) > len(sets['h']): logging.error('The provided index has a length of ' + str(len(dates)) + ' while the data only comprises ' + str( len(sets['h'])) + ' time elements') sys.exit(1) elif len(dates) > len(sets['z']): logging.warn('The provided index has a length of ' + str(len(dates)) + ' while the simulation was designed for ' + str( len(sets['z'])) + ' time elements') elif len(dates) < len(sets['z']): logging.warn('The provided index has a length of ' + str(len(dates)) + ' while the simulation was designed for ' + str( len(sets['z'])) + ' time elements') idx = range(len(dates)) out = {} out['sets'] = sets # Printing each parameter in a separate sheet and workbook: for p in parameters: var = parameters[p] dim = len(var['sets']) if var['sets'][-1] == 'h' and timeindex and dim > 1: # if len(dates) != var['val'].shape[-1]: # sys.exit('The date range in the Config variable (' + str(len(dates)) + ' time steps) does not match the length of the time index (' + str(var['val'].shape[-1]) + ') for variable ' + p) var['firstrow'] = 5 else: var['firstrow'] = 1 if dim == 1: if var['sets'][0] == 'h': out[p] = pd.DataFrame(var['val'][idx], columns=[p], index=dates) else: out[p] = pd.DataFrame(var['val'], columns=[p], index=sets[var['sets'][0]]) elif dim == 2: values = var['val'] list_sets = [sets[var['sets'][0]], sets[var['sets'][1]]] if var['sets'][1] == 'h': out[p] = pd.DataFrame(values.transpose()[idx, :], index=dates, columns=list_sets[0]) else: out[p] = pd.DataFrame(values.transpose(), index=list_sets[1], columns=list_sets[0]) elif dim == 3: list_sets = [sets[var['sets'][0]], sets[var['sets'][1]], sets[var['sets'][2]]] values = var['val'] values2 = np.zeros([len(list_sets[0]) * len(list_sets[1]), len(list_sets[2])]) cols = np.zeros([2, len(list_sets[0]) * len(list_sets[1])]) for i in range(len(list_sets[0])): values2[i * len(list_sets[1]):(i + 1) * len(list_sets[1]), :] = values[i, :, :] cols[0, i * len(list_sets[1]):(i + 1) * len(list_sets[1])] = i cols[1, i * len(list_sets[1]):(i + 1) * len(list_sets[1])] = range(len(list_sets[1])) columns = pd.MultiIndex([list_sets[0], list_sets[1]], cols) if var['sets'][2] == 'h': out[p] = pd.DataFrame(values2.transpose()[idx, :], index=dates, columns=columns) else: out[p] = pd.DataFrame(values2.transpose(), index=list_sets[2], columns=columns) else: logging.error('Only three dimensions currently supported. Parameter ' + p + ' has ' + str(dim) + ' dimensions.') sys.exit(1) return out
[docs]def CostExPost(inputs,results): ''' Ex post computation of the operational costs with plotting. This allows breaking down the cost into its different components and check that it matches with the objective function from the optimization. The cost objective function is the following: SystemCost(i) =E= sum(u,CostFixed(u)*Committed(u,i)) +sum(u,CostStartUpH(u,i) + CostShutDownH(u,i)) +sum(u,CostRampUpH(u,i) + CostRampDownH(u,i)) +sum(u,CostVariable(u,i) * Power(u,i)) +sum(l,PriceTransmission(l,i)*Flow(l,i)) +sum(n,CostLoadShedding(n,i)*ShedLoad(n,i)) +sum(chp, CostHeatSlack(chp,i) * HeatSlack(chp,i)) +sum(chp, CostVariable(chp,i) * CHPPowerLossFactor(chp) * Heat(chp,i)) +Config("ValueOfLostLoad","val")*(sum(n,LL_MaxPower(n,i)+LL_MinPower(n,i))) +0.8*Config("ValueOfLostLoad","val")*(sum(n,LL_2U(n,i)+LL_2D(n,i)+LL_3U(n,i))) +0.7*Config("ValueOfLostLoad","val")*sum(u,LL_RampUp(u,i)+LL_RampDown(u,i)) +Config("CostOfSpillage","val")*sum(s,spillage(s,i)); :returns: tuple with the cost components and their cumulative sums in two dataframes. ''' import datetime dfin = inputs['param_df'] timeindex = results['OutputPower'].index costs = pd.DataFrame(index=timeindex) #%% Fixed Costs: costs['FixedCosts'] = 0 for u in results['OutputCommitted']: if u in dfin: costs['FixedCosts'] =+ dfin[u] * results['OutputCommited'][u] #%% Ramping and startup costs: indexinitial = timeindex[0] - datetime.timedelta(hours=1) powerlong = results['OutputPower'].copy() powerlong.loc[indexinitial,:] = 0 powerlong.sort_index(inplace=True) committedlong = results['OutputCommitted'].copy() for u in powerlong: if u in dfin['PowerInitial'].index: powerlong.loc[indexinitial,u] = dfin['PowerInitial'].loc[u,'PowerInitial'] committedlong.loc[indexinitial,u] = dfin['PowerInitial'].loc[u,'PowerInitial']>0 committedlong.sort_index(inplace=True) powerlong_shifted = powerlong.copy() powerlong_shifted.iloc[1:,:] = powerlong.iloc[:-1,:].values committedlong_shifted = committedlong.copy() committedlong_shifted.iloc[1:,:] = committedlong.iloc[:-1,:].values ramping = powerlong - powerlong_shifted startups = committedlong - committedlong_shifted ramping.drop([ramping.index[0]],inplace=True); startups.drop([startups.index[0]],inplace=True) CostStartUp = pd.DataFrame(index=startups.index,columns=startups.columns) for u in CostStartUp: if u in dfin['CostStartUp'].index: CostStartUp[u] = startups[startups>0][u].fillna(0) * dfin['CostStartUp'].loc[u,'CostStartUp'] else: print('Unit ' + u + ' not found in input table CostStartUp!') CostShutDown = pd.DataFrame(index=startups.index,columns=startups.columns) for u in CostShutDown: if u in dfin['CostShutDown'].index: CostShutDown[u] = startups[startups<0][u].fillna(0) * dfin['CostShutDown'].loc[u,'CostShutDown'] else: print('Unit ' + u + ' not found in input table CostShutDown!') CostRampUp = pd.DataFrame(index=ramping.index,columns=ramping.columns) for u in CostRampUp: if u in dfin['CostRampUp'].index: CostRampUp[u] = ramping[ramping>0][u].fillna(0) * dfin['CostRampUp'].loc[u,'CostRampUp'] else: print('Unit ' + u + ' not found in input table CostRampUp!') CostRampDown = pd.DataFrame(index=ramping.index,columns=ramping.columns) for u in CostRampDown: if u in dfin['CostRampDown'].index: CostRampDown[u] = ramping[ramping<0][u].fillna(0) * dfin['CostRampDown'].loc[u,'CostRampDown'] else: print('Unit ' + u + ' not found in input table CostRampDown!') costs['CostStartUp'] = CostStartUp.sum(axis=1).fillna(0) costs['CostShutDown'] = CostShutDown.sum(axis=1).fillna(0) costs['CostRampUp'] = CostRampUp.sum(axis=1).fillna(0) costs['CostRampDown'] = CostRampDown.sum(axis=1).fillna(0) #%% Variable cost: costs['CostVariable'] = (results['OutputPower'] * dfin['CostVariable']).fillna(0).sum(axis=1) #%% Transmission cost: costs['CostTransmission'] = (results['OutputFlow'] * dfin['PriceTransmission']).fillna(0).sum(axis=1) #%% Shedding cost: costs['CostLoadShedding'] = (results['OutputShedLoad'] * dfin['CostLoadShedding']).fillna(0).sum(axis=1) #%% Heating costs: costs['CostHeatSlack'] = (results['OutputHeatSlack'] * dfin['CostHeatSlack']).fillna(0).sum(axis=0) CostHeat = (results['OutputHeatSlack'] * dfin['CostHeatSlack']).fillna(0) CostHeat = pd.DataFrame(index=results['OutputHeat'].index,columns=results['OutputHeat'].columns) for u in CostHeat: if u in dfin['CHPPowerLossFactor'].index: CostHeat[u] = dfin['CostVariable'][u].fillna(0) * results['OutputHeat'][u].fillna(0) * dfin['CHPPowerLossFactor'].loc[u,'CHPPowerLossFactor'] else: print('Unit ' + u + ' not found in input table CHPPowerLossFactor!') costs['CostHeat'] = CostHeat.sum(axis=1).fillna(0) #%% Lost loads: # NB: the value of lost load is currently hard coded. This will have to be updated costs['LostLoad'] = 80e3* (results['LostLoad_2D'].reindex(timeindex).sum(axis=1).fillna(0) + results['LostLoad_2U'].reindex(timeindex).sum(axis=1).fillna(0) + results['LostLoad_3U'].reindex(timeindex).sum(axis=1).fillna(0)) \ + 100e3*(results['LostLoad_MaxPower'].reindex(timeindex).sum(axis=1).fillna(0) + results['LostLoad_MinPower'].reindex(timeindex).sum(axis=1).fillna(0)) \ + 70e3*(results['LostLoad_RampDown'].reindex(timeindex).sum(axis=1).fillna(0) + results['LostLoad_RampUp'].reindex(timeindex).sum(axis=1).fillna(0)) #%% Spillage: costs['Spillage'] = 1 * results['OutputSpillage'].sum(axis=1).fillna(0) #%% Plotting # Drop na columns: costs.dropna(axis=1, how='all',inplace=True) # Delete all-zero columns: costs = costs.loc[:, (costs != 0).any(axis=0)] sumcost = costs.cumsum(axis=1) sumcost['OutputSystemCost'] = results['OutputSystemCost'] sumcost.plot(title='Cumulative sum of the cost components') #%% Warning if significant error: diff = (costs.sum(axis=1) - results['OutputSystemCost']).abs() if diff.max() > 0.01 * results['OutputSystemCost'].max(): logging.critical('There are significant differences between the cost computed ex post and and the cost provided by the optimization results!') return costs,sumcost
[docs]def get_units_operation_cost(inputs, results): """ Function that computes the operation cost for each power unit at each instant of time from the DispaSET results Operation cost includes: CostFixed + CostStartUp + CostShutDown + CostRampUp + CostRampDown + CostVariable :param inputs: DispaSET inputs :param results: DispaSET results :returns out: Dataframe with the the power units in columns and the operatopn cost at each instant in rows Main Author: @AbdullahAlawad """ datain = ds_to_df(inputs) #DataFrame with startup times for each unit (1 for startup) StartUps = results['OutputCommitted'].copy() for u in StartUps: values = StartUps.loc[:, u].values diff = -(np.roll(values, 1) - values ) diff[diff <= 0] = 0 StartUps[u] = diff #DataFrame with shutdown times for each unit (1 for shutdown) ShutDowns = results['OutputCommitted'].copy() for u in ShutDowns: values = ShutDowns.loc[:, u].values diff = (np.roll(values, 1) - values ) diff[diff <= 0] = 0 ShutDowns[u] = diff #DataFrame with ramping up levels for each unit at each instant (0 for ramping-down & leveling out) RampUps = results['OutputPower'].copy() for u in RampUps: values = RampUps.loc[:, u].values diff = -(np.roll(values, 1) - values ) diff[diff <= 0] = 0 RampUps[u] = diff #DataFrame with ramping down levels for each unit at each instant (0 for ramping-up & leveling out) RampDowns = results['OutputPower'].copy() for u in RampDowns: values = RampDowns.loc[:, u].values diff = (np.roll(values, 1) - values ) diff[diff <= 0] = 0 RampDowns[u] = diff FiexedCost = results['OutputCommitted'].copy() StartUpCost = results['OutputCommitted'].copy() ShutDownCost = results['OutputCommitted'].copy() RampUpCost = results['OutputCommitted'].copy() RampDownCost = results['OutputCommitted'].copy() VariableCost = results['OutputCommitted'].copy() UnitOperationCost = results['OutputCommitted'].copy() OperatedUnitList = results['OutputCommitted'].columns for u in OperatedUnitList: unit_indexNo = inputs['units'].index.get_loc(u) FiexedCost.loc[:,[u]] = np.array(results['OutputCommitted'].loc[:,[u]])*inputs['parameters']['CostFixed']['val'][unit_indexNo] StartUpCost.loc[:,[u]] = np.array(StartUps.loc[:,[u]])*inputs['parameters']['CostStartUp']['val'][unit_indexNo] ShutDownCost.loc[:,[u]] = np.array(ShutDowns.loc[:,[u]])*inputs['parameters']['CostShutDown']['val'][unit_indexNo] RampUpCost.loc[:,[u]] = np.array(RampUps.loc[:,[u]])*inputs['parameters']['CostRampUp']['val'][unit_indexNo] RampDownCost.loc[:,[u]] = np.array(RampDowns.loc[:,[u]])*inputs['parameters']['CostRampDown']['val'][unit_indexNo] VariableCost.loc[:,[u]] = np.array(datain['CostVariable'].loc[:,[u]])*np.array(results['OutputPower'][u]).reshape(-1,1) UnitOperationCost = FiexedCost+StartUpCost+ShutDownCost+RampUpCost+RampDownCost+VariableCost return UnitOperationCost