Western Energy Imbalance Market > About > Benefits

Benefits

$1 billion – from November 2014 to July 3, 2020
$998.69 million – as of Q2 ending June 30, 2020

(millions $)
EIM Participants 2014 2015 2016 2017 2018 2019 2020 Total
Q1 Q2
Arizona Public ServiceEntered 10/2016 $5.98 $34.56 $45.30 $54.48 $11.26 $6.40 $157.98
BANCEntered 04/2019 $15.86 $7.07 $9.17 $32.10
California ISOEntered 11/2014 $1.24 $12.66 $28.34 $36.96 $67.94 $44.74 $9.57 $21.25 $222.70
Idaho Power CompanyEntered 04/2018 $26.88 $28.23 $5.15 $6.08 $66.34
NV EnergyEntered 12/2015 $0.84 $15.57 $24.20 $25.55 $22.87 $5.36 $4.73 $99.12
PacifiCorpEntered 11/2014 $4.73 $26.23 $45.47 $37.41 $61.68 $59.77 $7.80 $8.46 $251.55
Portland General ElectricEntered 10/2017 $2.83 $27.57 $42.87 $6.93 $9.15 $89.35
PowerexEntered 04/2018 $7.84 $11.94 $1.09 $2.84 $23.17
Puget Sound EnergyEntered 10/2016 $1.56 $9.86 $13.68 $16.15 $3.67 $1.15 $46.07
Seattle City LightEntered 04/2020 $1.63 $1.63
Salt River ProjectEntered 04/2020 $8.14 $8.14
Total $5.97 $39.73 $96.92 $145.82 $276.44 $296.91 $57.90 $79.00 $998.69

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