Benefits

$3.82 billion in gross benefits since Nov 2014 (as of 5/31/2023)

(millions $)
WEIM Participants 2014-2019 2020 2021 2022 2023 Total
Q1
Arizona Public ServiceEntered 10/2016 $140.32 $48.96 $58.79 $88.84 $26.43 $363.34
Avista UtilitiesEntered 04/2022 $24.08 $6.38 $30.46
BANCEntered 04/2019 $15.86 $30.36$129.61 $281.65 $44.63 $502.11
BPAEntered 05/2022 $26.39 $11.83 $38.22
California ISOEntered 11/2014 $191.88 $62.04 $146.00 $289.83 $67.86 $757.61
Idaho Power CompanyEntered 04/2018 $55.11 $26.30 $52.62 $43.95 $13.31 $191.29
LADWPEntered 04/2021 $42.71 $75.09 $27.99 $117.80
NV EnergyEntered 12/2015 $89.03 $24.62 $47.76 $117.75 $47.19 $326.35
NorthWestern EnergyEntered 06/2021 $12.09 $31.22 $12.60 $55.91
PacifiCorpEntered 11/2014 $235.29 $40.63 $115.46 $200.02 $28.94 620.34
Portland General ElectricEntered 10/2017 $73.27 $31.76 $30.78 $61.26 $21.67 $218.74
PowerexEntered 04/2018 $19.78 $4.03 $3.08 $12.41 $16.80 $56.10
PNMEntered 04/2021 $12.53 $34.59 $22.40 $69.52
Puget Sound EnergyEntered 10/2016 $41.25 $13.68 $20.67 $31.15 $15.28 $122.03
Salt River ProjectEntered 04/2020 $36.06 $47.90 $77.08 $31.38 $192.42
Seattle City LightEntered 04/2020 $6.64 $13.92 $14.88 $4.20 $39.64
Tacoma PowerEntered 04/2022 $9.61 $6.55 $16.16
TEPEntered 05/2022 $40.93 $10.37 $51.30
TIDEntered 04/2021 $5.11 $10.82 $3.01 $18.94
Total $861.79 $325.08 $739.03 $1471.55 $418.82 $3816.27

Quarterly benefits

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