San Marcos electricity and gas rates

Who supplies power and gas to San Marcos houses and what a typical house uses: about 346 kWh of electricity and 24 therms of gas a month.

Electricity: SDG&E delivery with Clean Energy Alliance generation

Clean Energy Alliance is the default power provider for San Marcos, and most CEA customers are automatically enrolled in its default product, Clean Impact Plus; its generation charges and SDG&E's delivery charges come on one SDG&E bill. For a typical residential TOU-DR1 customer in Clean Energy Alliance using 346 kWh a month (12 months of billing history, rates as of August 1, 2026), the default Clean Impact Plus plan totals $0.49874 per kWh, an average monthly bill of $172.56; the opt-down Clean Impact plan is $0.45903 per kWh, $158.82 a month. SDG&E's Base Services Charge is $0.79343 per day.

ChargePrice
Fixed charge$24.13 a month
Per kWh42.90¢

Gas: SDG&E

SDG&E's bundled residential average gas rate for March 2026, $2.768 per therm, which includes gas transportation, the Public Purpose Program Surcharge and gas commodity costs. Commodity rates are set monthly and may be higher or lower. The CPUC lists SDG&E's residential fixed charge as $0.13 per day (non-CARE, September 2025).

ChargePrice
Fixed charge$3.95 a month
Per therm$2.5469

Ways to pay less

  • Opt down to Clean Impact for a lower electric bill. Most Clean Energy Alliance customers are on the default Clean Impact Plus product. In the August 2026 comparison for a typical TOU-DR1 customer using 346 kWh a month, Clean Impact averages $158.82 a month and Clean Impact Plus $172.56. How: Opt down at thecleanenergyalliance.org/opt-down/ with your SDG&E account information, selecting Clean Impact, or call CEA Customer Service at (833) 232-3110.
  • CARE households: 20% off gas. Customers enrolled in the California Alternate Rates for Energy (CARE) program receive a 20% discount on their SDG&E natural gas bill. How: See SDG&E discount programs at sdge.com/assistance.

Pay or manage it

Sources

  1. Clean Energy Alliance
  2. SDG&E natural gas rate alert, March 2026
  3. Clean Energy Alliance / SDG&E TOU-DR1 rate comparison, rates as of August 1, 2026
  4. City of Vista: Clean Energy Alliance rate relief
  5. CPUC gas rate design workshop slides (R.24-09-012)
  6. SDG&E natural gas rate alert, January 2026

Checked October 21, 2026. Every number here comes from the public sources listed, matched by our checker.

Rates change every year; this page shows when it was last checked. Nothing here is legal, tax or insurance advice.