Benefits

$4.66 billion in gross benefits since Nov 2014 (as of 10/31/2023)

(millions $)
WEIM Participants 2014-2019 2020 2021 2022 2023 Total
Q1 Q2 Q3
Arizona Public ServiceEntered 10/2016 $140.32 $48.96 $58.79 $88.84 $26.43 $11.95 $19.90 $395.19
AvangridEntered 04/2023 $8.78 $4.80 $13.58
Avista UtilitiesEntered 04/2022 $24.08 $6.38 $4.98 $5.19 $40.63
BANCEntered 04/2019 $15.86 $30.36 $129.61 $281.65 $44.63 $17.72 $22.17 $542.00
BPAEntered 05/2022 $26.39 $11.83 $7.49 $6.38 $52.09
California ISOEntered 11/2014 $191.88 $62.04 $146.00 $289.83 $67.86 $70.47 $34.88 $862.96
EPEEntered 04/2023 $3.04 $5.96 $9.00
Idaho Power CompanyEntered 04/2018 $55.11 $26.30 $52.62 $43.95 $13.31 $31.52 $8.62 $231.43
LADWPEntered 04/2021 $42.71 $75.09 $27.99 $17.09 $64.78 $227.66
NV EnergyEntered 12/2015 $89.03 $24.62 $47.76 $117.75 $47.19 $46.16 $60.30 $432.81
NorthWestern EnergyEntered 06/2021 $12.09 $31.22 $12.60 $4.44 $6.34 $66.69
PacifiCorpEntered 11/2014 235.29 $40.63 $115.46 $200.02 $28.94 $37.49 $37.37 $695.20
Portland General ElectricEntered 10/2017 $73.27 $31.76 $30.78 $61.26 $21.67 $13.84 $16.92 $249.50
PowerexEntered 04/2018 $19.78 $4.03 $3.08 $12.41 $16.80 $34.09 $83.72 $173.91
PNMEntered 04/2021 $12.53 $34.59 $22.40 $7.29 $8.53 $85.34
Puget Sound EnergyEntered 10/2016 $41.25 $13.68 $20.67 $31.15 $15.28 $6.46 $10.06 $138.55
Salt River ProjectEntered 04/2020 36.06 $47.90 $77.08 $31.38 $22.83 $19.10 $234.35
Seattle City LightEntered 04/2020 $6.64 $13.92 $14.88 $4.20 $5.14 $4.61 $49.39
Tacoma PowerEntered 04/2022 $9.61 $6.55 $4.86 $8.19 $29.21
TEPEntered 05/2022 $40.93 $10.37 $5.43 $7.17 $63.90
TIDEntered 04/2021 $5.11 $10.82 $3.01 $1.72 $1.00 $21.66
WALCEntered 04/2023 $17.12 $26.06 $43.18
Total $861.79 $325.08 $739.03 $1471.55 $418.82 $379.91 $462.05 $4,658.23

Quarterly benefits

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