Public Power Utilities in South Carolina: Full List (23)

Public power utility	Retail electric customers
South Carolina Public Service Authority	216,494
City of Rock Hill	40,379
Greer Commission of Public Wks	35,307
City of Orangeburg	24,461
Easley Combined Utility System	17,414
Greenwood CPW	14,742
City of Camden	11,673
City of Seneca	8,154
City of Gaffney	7,665
City of Union	6,988
City of Laurens	5,513
City of Newberry	5,458
City of Georgetown	5,440
City of Bennettsville	4,800
Clinton Combined Utility Sys	4,324
City of Abbeville	3,534
Town of Winnsboro	3,182
Bamberg Board of Public Works	1,781
City of Westminster	1,521
Town of McCormick	1,072
Town of Prosperity	824
City of Due West	488
Piedmont Municipal Power Agny	Not published

Largest first by retail electric customers, as each employer reports it to its federal registry.

Source: U.S. Energy Information Administration, Annual Electric Power Industry Report (Form EIA-861), 2024 final data. Data captured October 2, 2026.

Jobs at public power utilities