City of San Marcos: electric rates and average bill

City of San Marcos is a city utility that serves 22,362 homes in Texas. In 2025, its average home used 915 kWh a month and paid $116.47 (12.7¢ per kWh), less than the Texas average of $170.95.

  • City utility
  • 22,362 homes
  • EIA data, 2025

City of San Marcos at a glance

City of San Marcos (Texas), 2025
Type of utilityCity utility
Homes served in Texas22,362
Average home bill$116.47 a month (Texas average $170.95)
Average price12.7¢ per kWh (Texas average 15.4¢)
Average home use915 kWh a month (Texas average 1,110)
Business customers10.9¢ per kWh, average bill $969.13 a month (3,790 businesses; Texas business rates)
Smart meters100% of home meters
GridERCOT region; ERCOT market; buys its power
Counties servedHays

Price rank: City of San Marcos has the 33rd lowest average price of the 79 Texas utilities with 1,000 or more homes.

Other utilities in the same counties

These utilities also serve homes in one or more of the counties of City of San Marcos. Your address has one utility: it is on your bill.

Utilities that share counties with City of San Marcos (2025 averages)
UtilityHomesAverage billPrice per kWh
Pedernales Electric Cooperative (PEC)Bill calculator on this site420,753$153.2412.8¢
Bluebonnet Electric Cooperative119,030$144.1511.6¢

City of San Marcos rates and your bill

This site does not have a bill calculator for City of San Marcos yet: we add a calculator only after we check every charge in the official rate schedule. The current rates are on the City of San Marcos website. The averages on this page come from the yearly report that each utility files with the U.S. Energy Information Administration (Form EIA-861, 2025 data), so they show the past year, not today's rates.

City of San Marcos is the city-owned utility of San Marcos: see the other utilities and bills in that city.

Do you want a City of San Marcos bill calculator? Tell us.

What is the average City of San Marcos electric bill (TX)?

In 2025, its average home used 915 kWh a month and paid $116.47 (12.7¢ per kWh), less than the Texas average of $170.95.

utilityratecalc.com is not part of City of San Marcos. Source: EIA-861 data, 2025. The averages include all charges that the utility reports as revenue from homes that buy their power from it.