Solar Panel Cost in Temecula, CA (2026): $4.23/W Reported

Temecula homeowners who bought their own solar systems reported a median of $4.23 per watt between January 2025 and May 2026, across 220 systems. The middle half paid $3.66 to $6.40 per watt.

A 7.2 kW system, the median size connected in Temecula in 2025, comes to about $30,500 at that median, or $26,400 to $46,100 across the middle half.

Those are reported costs, not a quote, and no federal credit comes off a Temecula system finished in 2026: 26 U.S.C. §25D does not cover one whose installation is completed after December 31, 2025 (state and federal rules).

Median reported cost: $4.23/W; Temecula addresses, 220 systems
Middle half: $3.66 to $6.40/W; 25th to 75th percentile
Typical 7.2 kW system: $30,500; 7.2 kW × $4.23/W, before any incentive
Same system, middle half: $26,400 to $46,100; size: Temecula addresses, 2025 median

Source: California Distributed Generation Statistics (CPUC), Interconnected Project Sites data set, data through May 31, 2026, checked September 24, 2026. Homeowner-owned, solar-only systems of 1 to 25 kW; leases, PPAs and battery systems are left out (method). The CPUC notes these costs are not verified by the government.

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What a solar permit costs in Temecula

Temecula's published permit fee for a home rooftop system is $568 ($326 building plan check, residential roof-mounted + $242 building inspection). A residential ground-mounted system is $970, including a $228 fire plan check.

That is $118 over the $450 limit that Government Code §66015 sets for a home system up to 15 kW. A city may charge more only if it adopts a written finding, in a resolution or ordinance, with substantial evidence of its reasonable cost. Ask Temecula for that finding if a quote passes the fee through.

What Temecula publishes: Temecula's User Fee Schedule for fiscal year 2026-27 lists a residential roof-mounted photovoltaic system at $326 for building plan check plus $242 for building inspection, $568 in all, and a residential ground-mounted system at $970, which adds a $228 fire plan check. The City's photovoltaic page says a separate fee applies to the SolarAPP+ submission, without stating the amount.
How to file: Yes. SolarAPP+ has been available since September 30, 2023; eligible projects then apply in the City's Citizen Self Service portal under the SolarApp+ Photovoltaic permit type. Expansions of an existing PV system do not qualify for SolarAPP+ or expedited review.
Automated permit platform: SolarAPP+

Sources: City of Temecula, Photovoltaic Systems (temeculaca.gov/304), checked September 23, 2026; City of Temecula User Fee Schedule, effective fiscal year 2026-27 (Building - Miscellaneous: Photovoltaic System), checked September 23, 2026; Gov. Code §66015, checked September 24, 2026. Temecula in the California Solar Cost Index sets this fee beside every other city's.

Solar in Temecula: installs, leases and batteries

Home solar systems connected at Temecula addresses: 1,228 in 2021, 1,777 in 2022, 1,991 in 2023, 1,158 in 2024 and 887 in 2025. So connections peaked in 2023 and 2025 ran 55% below that peak. Another 387 were connected from January to May 2026.

Of the 887 systems connected in Temecula in 2025, 45% were leased or on a PPA, so a solar company owns them, and 55% belonged to the homeowner. 75% had a battery, more often than the 55% statewide. The median Temecula system was 7.2 kW, and 103 companies connected at least one.

Temecula beside Riverside County and Statewide, 2025
	Temecula	Riverside County	Statewide
Systems connected in 2025	887	15,138	145,404
Leased or on a PPA	45%	57%	45%
With a battery	75%	75%	55%
Median system size	7.2 kW	6.48 kW	6.15 kW
Median reported cost	$4.23/W (220)	$3.16/W (2,968)	$4.14/W (58,628)
Companies connecting systems	103	431	2,475

Source: CPUC DG Stats, data through May 31, 2026. Counts are home systems given permission to operate each year; a city means the service city on the application.

Your utility: SCE or SDG&E

The California Energy Commission's service-territory map places most of Temecula in Southern California Edison's territory and a smaller area in the city's southwest corner in San Diego Gas & Electric's. Read the utility name on your bill before using an SCE rate. SCE's average residential rate is 34.4¢/kWh (June 1, 2026; rate tracker).

Sources: California Energy Commission, Electric Load Serving Entities (IOU & POU) service-territory map. Checked September 23, 2026.

Before you compare proposals

The Temecula project checks that change the decision

A Temecula bid is incomplete until it says whether roof work, battery placement and both City inspections are included, and which utility serves the address.

Ask the same three questions

Did every bidder use the same 12 months of electricity use and the same roof and shade assumptions?
Is this a new system or an expansion of an existing one? Temecula does not let expansions use SolarAPP+ or expedited review.
Who files the permit, schedules the fire and building inspections, handles corrections and completes the utility application?

Local checks

The fire inspection comes first

Temecula requires a fire inspection for every SolarAPP+ permit, and it has to be passed before a building inspection can be scheduled.

Battery location is a permit question

The City says an energy storage system may not go in a garage unless the home has a residential fire sprinkler system, so the proposed battery location belongs in the written scope.

A ground mount costs more to permit

Temecula's 2026-27 fee schedule charges $970 to permit a residential ground-mounted system against $568 for a roof-mounted one; the ground mount adds a fire plan check and higher building fees.

Check which utility bills the address

The California Energy Commission's map puts a small area in Temecula's southwest corner in SDG&E territory and the rest in SCE's. Neither SCE's nor SDG&E's list of community choice aggregators includes Temecula.

Related decisions

Local sources and limits

City of Temecula — Photovoltaic Systems — verified 2026-09-23. SolarAPP+ available since September 30, 2023; expansions of existing PV systems do not qualify for SolarAPP+ or expedited review; a passed fire inspection is required before the building inspection; no ESS in a garage without residential fire sprinklers.
City of Temecula — User Fee Schedule, effective fiscal year 2026-27 — verified 2026-09-23. Photovoltaic system: residential roof-mounted $568 total ($326 building plan check, $242 building inspection); residential ground-mounted $970 total, including a $228 fire plan check.
California Energy Commission — Electric Load Serving Entities (IOU & POU) service-territory layer — verified 2026-09-23. Overlaid on the Census TIGERweb city boundary to see which utility territories fall inside the city. A map layer, not an address lookup: the bill names the utility for a given home.
SCE — Community Choice Aggregation — verified 2026-09-23. Lists the CCAs in SCE territory and the cities each serves, and says SCE continues meter reading, billing, maintenance and outage response for CCA customers. A city missing from the list has no CCA named there.
SDG&E — Active CCAs — verified 2026-09-23. Names the cities served by Clean Energy Alliance and San Diego Community Power. A city missing from both lists has no active CCA named there.

Before you sign

In Temecula the middle half of reported costs spans $3.66 to $6.40 per watt, and roof, panel work, equipment and contract terms explain most of that gap. California Solar Tax and Permit Rules for 2026 covers them, and the tax, lease and disclosure rules a Temecula contract follows.

Frequently asked questions

How much does solar cost in Temecula?

About $30,500 for a 7.2 kW system, at the $4.23 per watt median that Temecula owners reported (220 systems, January 2025 to May 2026; middle half $3.66 to $6.40). Source: CPUC DG Stats. No federal credit applies to a Temecula system finished in 2026.

What does a solar permit cost in Temecula?

$568 for a home rooftop system on Temecula's published schedule (checked September 23, 2026); the state limit is $450 up to 15 kW under Gov. Code §66015.

Which utility serves Temecula?

The California Energy Commission's service-territory map places most of Temecula in Southern California Edison's territory and a smaller area in the city's southwest corner in San Diego Gas & Electric's. Read the utility name on your bill before using an SCE rate. Where SCE serves the address, its average residential rate is 34.4¢/kWh, as of June 1, 2026.

Sources

California Distributed Generation Statistics (CPUC), Interconnected Project Sites data set, data through May 31, 2026 — checked September 24, 2026
CPUC, California Solar Consumer Protection Guide — checked September 24, 2026
26 U.S.C. §25D(h) and (e)(8)(A), residential clean energy credit — checked September 24, 2026
Temecula solar permitting — City of Temecula, Photovoltaic Systems (temeculaca.gov/304) — checked September 23, 2026
City of Temecula User Fee Schedule, effective fiscal year 2026-27 (Building - Miscellaneous: Photovoltaic System) — checked September 23, 2026
California Government Code §66015(a), residential solar permit fees — checked September 24, 2026
SCE average residential rate — CPUC Public Advocates Office, Q2 2026 Electric Rates Report, p.8, 22 — checked November 9, 2026
California Energy Commission, Electric Load Serving Entities (IOU & POU) service-territory map — checked September 23, 2026

The tax, contract and permit rules every California city shares, with their statutes: California Solar Tax and Permit Rules for 2026.