Benefits

$5.49 billion in gross benefits since Nov 2014 (as of 4/30/24)

(millions $)
WEIM Participants 2014-2019 2020 2021 2022 2023 2024 Total
Q1
Arizona Public ServiceEntered 10/2016 $140.32 $48.96 $58.79 $88.84 $69.41 $5.54 $411.86
AvangridEntered 04/2023 $20.22 $10.14 $30.36
Avista UtilitiesEntered 04/2022 $24.08 $20.85 $7.79 $52.72
BANCEntered 04/2019 $15.86 $30.36 $129.61 $281.65 $157.64 $20.78 $635.9
BPAEntered 05/2022 $26.39 $35.38 $18.11 $79.88
California ISOEntered 11/2014 $191.88 $62.04 $146.00 $289.83 $198.61 $54.33 $942.69
EPEEntered 04/2023 $13 $6.08 $19.08
Idaho Power CompanyEntered 04/2018 $55.11 $26.30 $52.62 $43.95 $62.92 $11.3 $252.2
LADWPEntered 04/2021 $42.71 $75.09 $148.96 $46.8 $313.56
NV EnergyEntered 12/2015 $89.03 $24.62 $47.76 $117.75 $176.11 $32.77 $488.04
NorthWestern EnergyEntered 06/2021 $12.09 $31.22 $30.95 $7.07 $81.33
PacifiCorpEntered 11/2014 235.29 $40.63 $115.46 $200.02 $154.26 $73.83 $819.49
Portland General ElectricEntered 10/2017 $73.27 $31.76 $30.78 $61.26 $64.01 $22 $283.08
PowerexEntered 04/2018 $19.78 $4.03 $3.08 $12.41 $178.57 $24.83 $242.7
PNMEntered 04/2021 $12.53 $34.59 $44.39 $7.3 $98.81
Puget Sound EnergyEntered 10/2016 $41.25 $13.68 $20.67 $31.15 $46.97 $25.88 $179.6
Salt River ProjectEntered 04/2020 36.06 $47.90 $77.08 $95.34 $22.35 $278.73
Seattle City LightEntered 04/2020 $6.64 $13.92 $14.88 $17.6 $5.76 $58.8
Tacoma PowerEntered 04/2022 $9.61 $22.4 $6.79 $38.8
TEPEntered 05/2022 $40.93 $28.87 $9.11 $78.91
TIDEntered 04/2021 $5.11 $10.82 $6.79 $1.22 $23.94
WALCEntered 04/2023 $59.35 $16.52 $75.87
Total $861.79 $325.08 $739.03 $1471.55 $1652.6 $436.3 $5486.35

Quarterly benefits

These reports quantify the estimated gross benefits from Western Energy Imbalance Market (WEIM) operations.