Maricopa electricity and gas rates
Who supplies power and gas to Maricopa houses and what a typical house uses: about 1182 kWh of electricity and 24 therms of gas a month. Bills include a 2.5% City of Maricopa sales tax on utilities.
Electricity: Electrical District No. 3 (ED3)
Electrical District No. 3 of Pinal County, Rate No. 01 Residential Service (Revision 23, effective 01/01/2026), overhead service: a $20.00 monthly basic service charge and an energy charge for the first 500 kWh and for additional kWh, plus the Purchased Power Cost Adjustor of $0.01338 per kWh, as published in ED3's rates and riders document (the adjustor can change over time). Sales tax is added.
| Charge | Price |
|---|---|
| Fixed charge | $20.00 a month |
| First 500 kWhs a month | 11.41¢ |
| Next kWhs above 500 a month | 13.11¢ |
Gas: Southwest Gas
Southwest Gas G-5 single-family residential gas service: $10.70 basic service charge per month plus a commodity charge per therm for all usage (statement effective September 1, 2026).
| Charge | Price |
|---|---|
| Fixed charge | $10.70 a month |
| Per therm | $1.5904 |
Ways to pay less
- Southwest Gas LIRA (eligibility: 250% of the federal poverty level). Southwest Gas's Low Income Ratepayer Assistance gives a discounted monthly basic service charge and a 30% reduction on the per-therm rate year-round. How: Learn more about Low Income Ratepayer Assistance (LIRA) at swgas.com/investedinaz.
Sources
- Electrical District No. 3: rates and riders, April 1, 2026 (archived copy)
- Southwest Gas: Arizona statement of rates
- Southwest Gas: Arizona rate case and LIRA
- InMaricopa: Southwest Gas on serving Maricopa (Prop. 452)
Checked October 22, 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.