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