2017 Top 10 Winners

Our Top 10 rankings are decided from utilities that participate in SEPA’s Annual Utility Market Survey. This year’s survey covered solar and energy storage, ranking utilities for adding the most megawatts or watts per customer in 2016.

To learn why participation is important and all that SEPA does with the data collected, click here.

Utility Solar Rankings Annual Megawatts (MW)
1 Southern California Edison
1,648
2 Pacific Gas & Electric 773
3 Rocky Mountain Power 760
4 Los Angeles Department of Water & Power 732
5 Georgia Power 553
6 San Diego Gas & Electric 382
7 Duke Energy Progress 356
8 CPS Energy 245
9 Dominion North Carolina Power 206
10 Duke Energy Carolinas 199
Utility Solar Rankings Annual Watts-Per-Customer (W/C)
1 City of Palo Alto Utilities
2,753
2 Dominion North Carolina Power 1,718
3 Farmers Electric Cooperative - Kalona 1,564
4 Ouachita Electric Cooperative Corporation 1,282
5 Brunswick Electric Membership Corporation 1,183
6 Rocky Mountain Power 847
7 Colton Electric Utilities 800
8 Cobb EMC 639
9 Roseville Electric 632
10 Pasadena Water and Power 545
Utility Energy Storage Rankings Annual Megawatts (MW)
1 Imperial Irrigation District
30
2 Southern California Edison 23
3 Commonwealth Edison, an Exelon Company 22
4 Indianapolis Power & Light Company 20
5 San Diego Gas & Electric 17
6 Duke Energy Ohio 16
7 Pacific Gas & Electric 9
8 Arizona Public Service 4
9 Puget Sound Energy 2
10 Green Mountain Power 2
Utility Energy Storage Rankings Annual Watts-Per-Customer (W/C)
1 Sterling Municipal Light Department
533
2 Glasgow EPB 248
3 Imperial Irrigation District 198
4 American Samoa Power Authority 109
5 Indianapolis Power & Light Company 42
6 Duke Energy Ohio 23
7 Maui Electric 17
8 San Diego Gas & Electric 12
9 Green Mountain Power 8
10 Commonwealth Edison, an Exelon Company 6