Western Energy Imbalance Market > About > Benefits

Benefits

$1.11 billion in gross benefits since Nov 2014 (as of 10/29/2020)
(millions $)
EIM Participants 2014 2015 2016 2017 2018 2019 2020 Total
Q1 Q2 Q3
Arizona Public ServiceEntered 10/2016 $5.98 $34.56 $45.30 $54.48 $11.26 $6.40 $22.60 $180.58
BANCEntered 04/2019 $15.86 $7.07 $9.17 $8.70 $40.80
California ISOEntered 11/2014 $1.24 $12.66 $28.34 $36.96 $67.94 $44.74 $9.57 $21.25 $23.68 $246.38
Idaho Power CompanyEntered 04/2018 $26.88 $28.23 $5.15 $6.08 $8.51 $74.85
NV EnergyEntered 12/2015 $0.84 $15.57 $24.20 $25.55 $22.87 $5.36 $4.73 $8.81 $107.93
PacifiCorpEntered 11/2014 $4.73 $26.23 $45.47 $37.41 $61.68 $59.77 $7.80 $8.46 $13.47 $265.02
Portland General ElectricEntered 10/2017 $2.83 $27.57 $42.87 $6.93 $9.15 $8.95 $98.30
PowerexEntered 04/2018 $7.84 $11.94 $1.09 $2.84 $0.88 $24.59
Puget Sound EnergyEntered 10/2016 $1.56 $9.86 $13.68 $16.15 $3.67 $1.15 $3.44 $49.51
Seattle City LightEntered 04/2020 $1.63 $2.87 $4.50
Salt River ProjectEntered 04/2020 $8.14 $17.41 $25.55
Total $5.97 $39.73 $96.92 $145.82 $276.44 $296.91 $57.90 $79.00 $119.32 $1118.01

Quarterly benefits

These reports quantify the estimated gross benefits from EIM operations. 

 

ISO greenhouse gas emissions tracking reportsAn accounting of GHG emissions for the ISO balancing authority areaEIM benefit methodology