Western Energy Imbalance Market > About > Benefits

Benefits

$861.79 million in gross benefits since Nov 2014 (as of 1/30/2020)
(millions $)
EIM Participants 2014 2015 2016 2017 2018 2019 Total
Q1 Q2 Q3 Q4
Arizona Public ServiceEntered 10/2016 $5.98 $34.56 $45.30 $8.20 $8.55 $20.36 $17.37 $140.32
BANCEntered 04/2019 $8.81 $4.37 $2.68 $15.86
California ISOEntered 11/2014 $1.24 $12.66 $28.34 $36.96 $67.94 $13.08 $23.53 $5.77 $2.36 $191.88
Idaho Power CompanyEntered 04/2018 $26.88 $8.45 $8.33 $5.36 $6.09 $55.11
NV EnergyEntered 12/2015 $0.84 $15.57 $24.20 $25.55 $5.71 $4.62 $5.92 $6.62 $89.03
PacifiCorpEntered 11/2014 $4.73 $26.23 $45.47 $37.41 $61.68 $23.76 $15.15 $9.54 $11.32 $235.29
Portland General ElectricEntered 10/2017 $2.83 $27.57 $11.74 $10.89 $9.48 $10.76 $73.27
PowerexEntered 04/2018 $7.84 $7.23 $3.06 $1.04 $.61 $19.78
Puget Sound EnergyEntered 10/2016 $1.56 $9.86 $13.68 $7.21 $3.06 $2.97 $2.91 $41.25
Total $5.97 $39.73 $96.92 $145.82 $276.44 $85.38 $86.00 $64.81 $60.72 $861.79

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