2018 Top 10 Winners

Our Top 10 rankings are decided from utilities that participate in SEPA’s Annual Utility Market Survey. The 2018 survey covered solar and energy storage, ranking utilities for adding the most megawatts or watts per customer in 2017.

Utility Solar Rankings Annual Megawatts (MW)
1Pacific Gas & Electric (CA)
2Southern California Edison (CA)547.1
3Duke Energy Progress (NC)355.4
4Austin Energy (TX)285.9
5Xcel Energy - Minnesota (MN)283.3
6SCE&G (SC)265.3
7NV Energy (NV)248.3
8Dominion Energy Virginia (VA)246.5
9National Grid (MA)226.9
10Los Angeles Department of Water and Power (CA)215.8
Utility Solar Rankings Annual Watts-Per-Customer (W/C)
1Madison Electric Works (ME)
2Anza Electric Cooperative (CA)1455.5
3Clarksville Light & Water (AR)1202.1
4Pickwick Electric Cooperative (TN)1195.9
5Moreno Valley Utility (CA)1188.4
6City of Bowling Green Municipal Utilities (OH)938.3
7Navajo Tribal Utility Authority (AZ)912.5
8Village Electric Utility - Brewster (OH)901.4
9Nixa Electric Utility (MO)831.1
10Asked Not To Be Honored (TX)719.1
Utility Energy Storage Rankings Annual Megawatts (MW)
1Southern California Edison (CA)
2San Diego Gas & Electric (CA)45.3
3Tucson Electric Power (AZ)21.0
4Pacific Gas & Electric (CA)16.4
5Kauai Island Utility Cooperative (HI13.7
6Massachusetts Electric Company (MA)7.0
7Arizona Public Service (AZ)4.2
8Green Mountain Power (VT)2.8
9Maui Electric (HI)2.6
10Hawaiian Electric (HI)2.2
Utility Energy Storage Rankings Annual Watts-Per-Customer (W/C)
1Kauai Island Utility Cooperative (HI)
2Tucson Electric Power (AZ)50.0
3Maui Electric (HI)36.5
4San Diego Gas & Electric (CA)31.7
5Glendale Water & Power (CA)22.9
6American Samoa Power Authority (AS)20.4
7Hawaii Electric Light Company (HI)16.4
8Southern California Edison (CA)11.1
9Green Mountain Power (VT)10.6
10City Utilities of Springfield, MO (MO)8.8