Benefits

$6.25 billion in gross benefits since Nov 2014 (as of 10/28/24)

(millions $)
WEIM Participants 2014-2019 2020 2021 2022 2023 2024 Total
Q1 Q2 Q3
Arizona Public ServiceEntered 10/2016 $140.32 $48.96 $58.79 $88.84 $69.41 $5.54 $4.57 $14.68 $431.11
AvangridEntered 04/2023 $20.22 $10.14 $8.56 $10.02 $48.94
Avista UtilitiesEntered 04/2022 $24.08 $20.85 $7.79 $2.95 $3.16 $58.83
BANCEntered 04/2019 $15.86 $30.36 $129.61 $281.65 $157.64 $20.78 $49.90 $48.78 $734.58
BPAEntered 05/2022 $26.39 $35.38 $18.11 $4.72 $8.90 $93.50
California ISOEntered 11/2014 $191.88 $62.04 $146.00 $289.83 $198.61 $54.33 $36.02 $10.65 $989.36
EPEEntered 04/2023 $13 $6.08 $3.09 $5.48 $27.65
Idaho Power CompanyEntered 04/2018 $55.11 $26.30 $52.62 $43.95 $62.92 $11.3 $15.57 $7.89 $275.66
LADWPEntered 04/2021 $42.71 $75.09 $148.96 $46.80 $30.52 $29.25 $373.33
NV EnergyEntered 12/2015 $89.03 $24.62 $47.76 $117.75 $176.11 $32.77 $33.65 $67.57 $589.26
NorthWestern EnergyEntered 06/2021 $12.09 $31.22 $30.95 $7.07 $7.88 $18.51 $107.72
PacifiCorpEntered 11/2014 235.29 $40.63 $115.46 $200.02 $154.26 $73.83 $27.35 $44.66 $891.5
Portland General ElectricEntered 10/2017 $73.27 $31.76 $30.78 $61.26 $64.01 $22 $11.25 $10.14 $304.47
PowerexEntered 04/2018 $19.78 $4.03 $3.08 $12.41 $178.57 $24.83 $18.73 $5.97 $267.4
PNMEntered 04/2021 $12.53 $34.59 $44.39 $7.30 $11.21 $14.97 $124.99
Puget Sound EnergyEntered 10/2016 $41.25 $13.68 $20.67 $31.15 $46.97 $25.88 $8.26 $15.14 $203
Salt River ProjectEntered 04/2020 36.06 $47.90 $77.08 $95.34 $22.35 $20.93 $13.25 $312.91
Seattle City LightEntered 04/2020 $6.64 $13.92 $14.88 $17.6 $5.76 $4.87 $16.32 $79.99
Tacoma PowerEntered 04/2022 $9.61 $22.40 $6.79 $5.44 $10.33 $54.57
TEPEntered 05/2022 $40.93 $28.87 $9.11 $8.02 $9.46 $96.39
TIDEntered 04/2021 $5.11 $10.82 $6.79 $1.22 $0.98 $1.93 $26.85
WALCEntered 04/2023 $59.35 $16.52 $50.57 $27.82 $154.26
Total $861.79 $325.08 $739.03 $1471.55 $1652.6 $436.30 $365.04 $394.88 $6,246.27

Quarterly benefits

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