2017 Top 10 Winners

Our Top 10 rankings are decided from utilities that participate in SEPA’s Annual Utility Market Survey. The 2017 survey covered solar and energy storage, ranking utilities for adding the most megawatts or watts per customer in 2016.

View the 2018 Winners
Utility Solar Rankings Annual Megawatts (MW)
1 Southern California Edison
1,647
2 Pacific Gas & Electric 773
3 Rocky Mountain Power 759
4 Los Angeles Department of Water & Power 732
5 Georgia Power 553
6 San Diego Gas & Electric 381
7 Duke Energy Progress 356
8 CPS Energy 245
9 Florida Power & Light 233
10 Dominion North Carolina Power 206
Utility Solar Rankings Annual Watts-Per-Customer (W/C)
1 City of Palo Alto Utilities
2,754
2 Dominion North Carolina Power 1,718
3 Farmers Electric Cooperative - Kalona 1,564
4 Blue Ridge Mountain Electric Membership Corp 1,295
5 Ouachita Electric Cooperative Corporation 1,282
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 Southern California Edison
63
2 Imperial Irrigation District 30
3 Indianapolis Power & Light Company 20
4 San Diego Gas & Electric 17
5 Duke Energy Ohio 16
6 Pacific Gas & Electric 9
7 Arizona Public Service 4
8 Commonwealth Edison, an Exelon Company 2
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 Southern California Edison 13
9 San Diego Gas & Electric 12
10 Green Mountain Power 8