def _PGE_tariff_data_2015():
    """
        Prepares data for PGE tariffs.
        nrg   : Energy charges
        dem   : Demand charges
        meter : meter charges?
    """
    nrg = {'Zero': {'Summer': {'Peak': 0.0, 'PartialPeak': 0.0, 'OffPeak': 
        0.0}, 'Winter': {'PartialPeak': 0.0, 'OffPeak': 0.0}}, 'A1': {
        'Summer': {'Peak': 0.23977, 'PartialPeak': 0.23977, 'OffPeak': 
        0.23977}, 'Winter': {'PartialPeak': 0.16246, 'OffPeak': 0.16246}},
        'A1TOU': {'Summer': {'Peak': 0.26042, 'PartialPeak': 0.25109,
        'OffPeak': 0.22269}, 'Winter': {'PartialPeak': 0.1728, 'OffPeak': 
        0.15298}}, 'A6TOU': {'Summer': {'Peak': 0.60974, 'PartialPeak': 
        0.28352, 'OffPeak': 0.15605}, 'Winter': {'PartialPeak': 0.17883,
        'OffPeak': 0.14605}}, 'A10_secondary': {'Summer': {'Peak': 0.16116,
        'PartialPeak': 0.16116, 'OffPeak': 0.16116}, 'Winter': {
        'PartialPeak': 0.11674, 'OffPeak': 0.11674}}, 'A10_primary': {
        'Summer': {'Peak': 0.14936, 'PartialPeak': 0.14936, 'OffPeak': 
        0.14936}, 'Winter': {'PartialPeak': 0.11069, 'OffPeak': 0.11069}},
        'A10_transmission': {'Summer': {'Peak': 0.12137, 'PartialPeak': 
        0.12137, 'OffPeak': 0.12137}, 'Winter': {'PartialPeak': 0.09583,
        'OffPeak': 0.09583}}, 'A10TOU_secondary': {'Summer': {'Peak': 
        0.17891, 'PartialPeak': 0.17087, 'OffPeak': 0.14642}, 'Winter': {
        'PartialPeak': 0.1275, 'OffPeak': 0.10654}}, 'A10TOU_primary': {
        'Summer': {'Peak': 0.1642, 'PartialPeak': 0.15846, 'OffPeak': 
        0.1365}, 'Winter': {'PartialPeak': 0.11949, 'OffPeak': 0.10231}},
        'A10TOU_transmission': {'Summer': {'Peak': 0.13481, 'PartialPeak': 
        0.12958, 'OffPeak': 0.10973}, 'Winter': {'PartialPeak': 0.10392,
        'OffPeak': 0.08816}}, 'E19TOU_secondary': {'Summer': {'Peak': 
        0.16233, 'PartialPeak': 0.10893, 'OffPeak': 0.07397}, 'Winter': {
        'PartialPeak': 0.10185, 'OffPeak': 0.07797}}, 'E19TOU_primary': {
        'Summer': {'Peak': 0.14861, 'PartialPeak': 0.10219, 'OffPeak': 
        0.07456}, 'Winter': {'PartialPeak': 0.09696, 'OffPeak': 0.07787}},
        'E19TOU_transmission': {'Summer': {'Peak': 0.09129, 'PartialPeak': 
        0.08665, 'OffPeak': 0.07043}, 'Winter': {'PartialPeak': 0.085,
        'OffPeak': 0.07214}}}
    dem = {'A10_primary': {'Summer': 15.54, 'Winter': 7.31},
        'A10_secondary': {'Summer': 14.53, 'Winter': 7.51},
        'A10_transmission': {'Summer': 10.16, 'Winter': 5.6},
        'A10TOU_primary': {'Summer': 15.54, 'Winter': 7.31},
        'A10TOU_secondary': {'Summer': 14.53, 'Winter': 7.51},
        'A10TOU_transmission': {'Summer': 10.16, 'Winter': 5.6},
        'E19TOU_secondary': {'Summer': {'mpeak': 19.04, 'ppeak': 4.42,
        'max': 14.38}, 'Winter': {'ppeak': 0.24, 'max': 14.38}},
        'E19TOU_primary': {'Summer': {'mpeak': 18.91, 'ppeak': 4.06, 'max':
        11.39}, 'Winter': {'ppeak': 0.46, 'max': 11.39}},
        'E19TOU_transmission': {'Summer': {'mpeak': 17.03, 'ppeak': 3.78,
        'max': 7.18}, 'Winter': {'ppeak': 0.0, 'max': 7.18}}}
    meter = {'A1': 0.65708, 'A1TOU': 0.65708, 'A6TOU': 0.65708 + 0.20107,
        'A10_secondary': 4.59959, 'A10_primary': 4.59959,
        'A10_transmission': 4.59959, 'A10TOU_secondary': 4.59959,
        'A10TOU_primary': 4.59959, 'A10TOU_transmission': 4.59959,
        'E19TOU_secondary': {'Mandatory': {'S': 19.71253, 'P': 32.85421,
        'T': 59.13758}, 'Voluntary': {'SmartMeter': 4.59959, 'NoSmartMeter':
        4.777}}, 'E19TOU_primary': {'Mandatory': {'S': 19.71253, 'P': 
        32.85421, 'T': 59.13758}, 'Voluntary': {'SmartMeter': 4.59959,
        'NoSmartMeter': 4.777}}, 'E19TOU_transmission': {'Mandatory': {'S':
        19.71253, 'P': 32.85421, 'T': 59.13758}, 'Voluntary': {'SmartMeter':
        4.59959, 'NoSmartMeter': 4.777}}, 'Zero': 0.0}
    return nrg, dem, meter
