Decision guides, costs, incentives, and permits covering Los Angeles.
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Utility impact
Electric: LADWP; gas: SoCalGas
Southern California Edison
As of 2026-05-30, SCE residential electric service runs on time-of-use (TOU) rate plans by default. The standard TOU option is TOU-D-4-9PM (4 PM-9 PM weekday peak window). Alternatives include TOU-D-5-8PM (5 PM-8 PM peak window for households that cannot shift evening load) and TOU-D-PRIME, a rate reserved for customers with an EV, plug-in hybrid, residential battery, or an electric heat pump for space or water heating. TOU-D-PRIME features lower peak rates paired with a higher daily basic charge (about $0.79/day, roughly $24/month). Under California's Net Billing Tariff (NEM 3.0), new residential solar customers in SCE territory must be on TOU-D-PRIME. Legacy tiered and earlier TOU plans (TOU-D-A, TOU-D-B, TOU-D-T) remain available to existing customers but are closed to new enrollment. Households planning heat pump HVAC, EV charging, battery storage, or whole-home electrification may want to compare TOU-D-4-9PM and TOU-D-PRIME; verify current per-kWh rates and plan rules at the provider site before switching.
As of 2026-05-30, LADWP residential electric customers default to rate schedule R-1A (Standard), a three-tier inclining-block structure (Tier 1 / Tier 2 / Tier 3). During summer high-demand months all three tiers price separately; in winter Tiers 2 and 3 are billed at the same rate. LADWP divides the City into two temperature zones (Zone 1 cooler, Zone 2 hotter inland) and gives Zone 2 a larger Tier 1 allowance. Bills also include a monthly Power Access Charge (PAC) that scales with the customer's highest energy use over the prior year. A time-of-use option, R-1B (TOU), is available on request. Important: LADWP is a municipal utility owned by the City of Los Angeles and is NOT regulated by the California Public Utilities Commission (CPUC); rates are set by the LA Board of Water and Power Commissioners. LADWP operates its own net-metering tariff (system cap 1 MW) and is NOT subject to CPUC's NEM 3.0 / Net Billing Tariff (NBT), which governs only the investor-owned utilities PG&E, SCE, and SDG&E. Homeowners should verify current rates on the LADWP residential rates page before sizing a project; LADWP filed rate increases for 2026.