def _PGE_tariff_data():
    """
        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': 0.24176, 'PartialPeak': 0.24176, 'OffPeak': 
        0.24176}, 'Winter': {'PartialPeak': 0.16445, 'OffPeak': 0.16445}},
        'A1TOU': {'Summer': {'Peak': 0.26241, 'PartialPeak': 0.25308,
        'OffPeak': 0.22468}, 'Winter': {'PartialPeak': 0.17479, 'OffPeak': 
        0.15497}}, 'A1_non-gen': {'Summer': {'Peak': 0.12813, 'PartialPeak':
        0.12813, 'OffPeak': 0.12813}, 'Winter': {'PartialPeak': 0.09738,
        'OffPeak': 0.09738}}, 'A1TOU_non-gen': {'Summer': {'Peak': 0.12813,
        'PartialPeak': 0.12813, 'OffPeak': 0.12813}, 'Winter': {
        'PartialPeak': 0.09738, 'OffPeak': 0.09738}}, 'A6TOU': {'Summer': {
        'Peak': 0.61173, 'PartialPeak': 0.28551, 'OffPeak': 0.15804},
        'Winter': {'PartialPeak': 0.18082, 'OffPeak': 0.14804}},
        'A6TOU_non-gen': {'Summer': {'Peak': 0.27547, 'PartialPeak': 
        0.15083, 'OffPeak': 0.09938}, 'Winter': {'PartialPeak': 0.08612,
        'OffPeak': 0.09088}}, 'A10_secondary': {'Summer': {'Peak': 0.16116,
        'PartialPeak': 0.16116, 'OffPeak': 0.16116}, 'Winter': {
        'PartialPeak': 0.11674, 'OffPeak': 0.11674}},
        'A10_secondary_non-gen': {'Summer': {'Peak': 0.06012, 'PartialPeak':
        0.06012, 'OffPeak': 0.06012}, 'Winter': {'PartialPeak': 0.04025,
        'OffPeak': 0.04025}}, '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_secondary_non-gen': {'Summer': {
        'Peak': 0.06012, 'PartialPeak': 0.06012, 'OffPeak': 0.06012},
        'Winter': {'PartialPeak': 0.04025, 'OffPeak': 0.04025}},
        'A10TOU_primary': {'Summer': {'Peak': 0.20249, 'PartialPeak': 
        0.15193, 'OffPeak': 0.1253}, 'Winter': {'PartialPeak': 0.12857,
        'OffPeak': 0.11269}}, '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}},
        'E19TOU_secondary_non-gen': {'Summer': {'Peak': 0.02627,
        'PartialPeak': 0.02627, 'OffPeak': 0.02627}, 'Winter': {
        'PartialPeak': 0.02627, 'OffPeak': 0.02627}}, 'OptFlat_non-gen': {
        'Summer': {'Peak': 0.0, 'PartialPeak': 0.0, 'OffPeak': 0.0},
        'Winter': {'PartialPeak': 0.0, 'OffPeak': 0.0}}}
    dem = {'A10_primary': {'Summer': 15.22, 'Winter': 8.2}, 'A10_secondary':
        {'Summer': 16.23, 'Winter': 8.0}, 'A10_secondary_non-gen': {
        'Summer': 11.89, 'Winter': 8.0}, 'A10_transmission': {'Summer': 
        10.85, 'Winter': 6.29}, 'A10TOU_primary': {'Summer': 15.22,
        'Winter': 8.2}, 'A10TOU_secondary': {'Summer': 16.23, 'Winter': 8.0
        }, 'A10TOU_secondary_non-gen': {'Summer': 11.89, 'Winter': 8.0},
        'A10TOU_transmission': {'Summer': 10.85, 'Winter': 6.29},
        'E19TOU_secondary': {'Summer': {'mpeak': 19.04, 'ppeak': 4.24,
        'max': 15.07}, 'Winter': {'ppeak': 0.24, 'max': 15.07}},
        'E19TOU_primary': {'Summer': {'mpeak': 18.91, 'ppeak': 4.06, 'max':
        12.08}, 'Winter': {'ppeak': 0.46, 'max': 12.08}},
        'E19TOU_transmission': {'Summer': {'mpeak': 17.03, 'ppeak': 3.78,
        'max': 7.87}, 'Winter': {'ppeak': 0.0, 'max': 7.87}},
        'E19TOU_secondary_non-gen': {'Summer': {'mpeak': 5.49, 'ppeak': 
        1.48, 'max': 15.07}, 'Winter': {'ppeak': 0.24, 'max': 15.07}}}
    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
