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California · Alhambra

Solar in Alhambra: a CPA city that keeps its permits quiet

Written by the Solar Learning Lab research deskUpdated August 29, 202610 min read

Alhambra does automated solar permitting without talking about it. The official SolarAPP+ availability table lists the city as live, the state's tracking data agrees, and yet the Building Division's own webpage never names the platform, offering instead a PDF titled Expedited Solar Photovoltaic Permitting for One and Two-Family Dwellings. Even more unusual: Alhambra stood this up without taking the CalAPP grant money most California cities used, shown as Not Awarded in the CEC record. The capability is real. The marketing is nonexistent.

Meanwhile the electric bill tells its own two-party story. Southern California Edison owns the wires and the delivery charges. Clean Power Alliance, the community choice aggregator Alhambra belongs to, supplies the generation by default. Between SCE's steep evening prices and CPA's own solar tariffs and rebates, the economics here reward homeowners who understand which entity controls which dollar. Most quotes gloss over exactly that.

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Live on SolarAPP+, silent about it, and grant free

Three sources triangulate the permitting picture. The SolarAPP+ availability table lists Alhambra, CA among live jurisdictions. The CEC's program data logs the city on the SolarAPP+ platform with a 2024 annual report filed, satisfying the automated permitting mandate of Government Code 65850.52. And the Building Division page itself stays quiet, listing an expedited solar application PDF among its permit documents without describing steps, fees or timelines.

The practical translation: contractors should submit through SolarAPP+, and homeowners with questions should use the city's Permit Portal or call the Building Division at 626-570-5032, open Monday through Thursday, 7 a.m. to 5:30 p.m. One date to respect: since December 1, 2025, all Building Division inspection requests go through the Permit Portal, not by phone or email. No solar permit fee appears on the fetched city pages, so the $450 statutory ceiling in Government Code 66015, which applies through 15 kW, is the reference point.

The Not Awarded CalAPP status is worth a beat of respect. Plenty of cities leaned on state CalAPP grant money to modernize. Alhambra apparently just did the work. It also means nobody should expect a city-funded homeowner rebate hiding behind that grant line, because there was no grant.

SCE delivers, Clean Power Alliance generates

SCE's community choice page lists Alhambra among the cities partnered with Clean Power Alliance. The division of labor, spelled out on CPA's residential page: SCE handles delivery rates and charges, repairs, outages and service starts, while CPA sets generation pricing across three tiers, Lean Power at 40 percent clean energy, Clean Power at 50 percent, and 100% Green Power at fully renewable supply. Residents are enrolled automatically in their community's preferred tier and can switch anytime. Which tier Alhambra defaults to is not stated on the fetched page, so check a current bill rather than assuming.

For scale, SCE's 2024 bundled residential average ran about 32.4 cents per kWh across more than three million customers, per EIA Table 6. That is the neighborhood of price a solar kWh competes against here, nearly twice what households pay in Sacramento's municipal territory. High prices are miserable for bills and excellent for payback.

The hourly price map a system design must answer to

New Alhambra interconnections fall under the Net Billing Tariff, the CPUC framework covering applications submitted on or after April 15, 2023, refined by Resolution E-5301 in November 2023. Under it, exports earn tariff credits while consumption bills at time of use prices, which makes SCE's TOU schedule the real scoreboard.

Energy sourceTypeAverage priceWhat that means
SCE TOU-D-4-9PM, summer weekdayJune through September34¢ to 58¢ per kWhOff peak 34¢, on peak 58¢ from 4 to 9 p.m. Weekend mid peak 46¢. Base services charge $0.79 per day, baseline credit 10¢ per kWh up to the allocation.
SCE TOU-D-4-9PM, winterOctober through May33¢ to 51¢ per kWhSuper off peak 33¢ from 8 a.m. to 4 p.m., off peak 37¢, mid peak 51¢ from 4 to 9 p.m., before baseline credit.
SCE TOU-D-5-8PM, summer weekdayJune through September34¢ to 74¢ per kWhA shorter, sharper peak: 74¢ from 5 to 8 p.m. TOU-D-PRIME exists for EV, battery and heat pump households.
Onsite solar, self consumeddisplacing grid purchasesup to the applicable TOU price per kWh avoidedExports follow Net Billing Tariff credit values instead, which is why batteries that carry solar into the evening peak dominate new designs.

Rates from SCE's time of use plans page, reviewed August 29, 2026. Baseline credits and daily charges shift the effective totals per household.

The 74 cent figure deserves a pause. On the 5-8PM plan, a summer weekday evening kWh costs more than seven times what an exported midday kWh is likely worth under net billing. Every credible Alhambra proposal since 2023 is really a storage conversation wearing a solar jacket.

CPA runs its own solar ledger, and two programs with real money

Because generation belongs to CPA, the aggregator maintains its own tariffs for solar customers: a legacy Net Energy Metering tariff and a Solar Billing Plan tariff for the net billing era, both current as of February 5, 2026 documents on CPA's residential page. Export compensation amounts are not published on that page, and CPA directs solar customers to 888-585-3788 for customized rate comparisons. Annoying, but at least it is a phone number rather than a mystery.

The programs are more concrete. CPA's Solar and Battery Access program installs solar and battery equipment at no cost for income qualified single family homeowners, with average bill savings of 70 percent per the program page. Separately, any CPA residential customer can claim a $750 Sun Storage Rebate toward an eligible battery. Statewide, the SGIP Residential Solar and Storage Equity program carries a $280 million budget, taking reservations since June 2, 2025 from low income households, and it covers SCE territory. None of these belong in a quote without a shown eligibility check, but all three are worth asking about by name.

The resource is excellent even by Southern California standards

Our downtown Alhambra model returns 1,708.8 kWh per installed kW annually, with a notably flat curve: August peaks at 169.2 kWh per kW while December still delivers 113.1. That winter floor is the quiet asset. Systems here keep producing usable energy in months when Central Valley and Bay Area roofs fall off a cliff.

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August models at 169.2 kWh per kW, aligned with SCE's June through September summer pricing when on peak rates hit 58 to 74 cents.

PVGIS v5.2 model run by Solar Learning Lab on August 29, 2026, NSRDB radiation database. Fixed south facing mount, 30 degree tilt, 14 percent losses, downtown Alhambra coordinates. Your roof will differ. Model documentation lives at PVGIS. As always, this is a location comparison, not a roof guarantee, and Alhambra's dense lots with mature street trees make an honest shade survey worth insisting on.

Prewar bungalows, 26 historic tracts, and what that means for panels

This is an old, built out city. Population actually declined between 2000 and 2020, and the housing stock leans hard on Craftsman, bungalow and Spanish Mediterranean construction, with 26 city designated historic neighborhoods including the Bean Tract, Midwick Tract, Airport Tract and Emery Park, per the city's background record. We found no fetched city page stating special solar review rules for designated properties, so we will not claim any exist. The move for owners in those tracts is a direct question to the Building Division before signing anything.

Structure matters as much as designation. A 1920s roof may need work before it can host forty years of equipment, and Alhambra requires building permits for roofing and structural repairs as separate scopes. Fold the roof assessment into the solar bid, not after it.

The market math is honest but narrow: 14,151 of 32,492 units, 43.6 percent, are single detached homes per the state housing estimates, with about 42 percent owner occupancy and a median household income of $85,189. For the households that do own a detached roof, state law carries the usual protections: Civil Code 714 against restrictive covenants, and the property tax new construction exclusion through its January 1, 2027 sunset. On the federal ledger, the CRS ties the homeowner credit to expenditures made before the end of 2025, leaving 2026 purchases out.

Shortlisting installers for a two-supplier city

Screen for fluency in the split. A strong Alhambra bidder can say, without notes, which charges SCE controls, what CPA's generation tariffs mean for the export line, and whether the design earns its keep against a 58 or 74 cent evening price. Anyone who quotes full retail value for exports is describing a program that closed to new applicants in April 2023.

Get Smarter Solar logo

Get Smarter Solar

Pasadena, CA

4.3(64 Google reviews)

Read the graded profile

Run on Sun

4.9(39 Google reviews)

Read the graded profile

All In 1 Solar logo

All In 1 Solar

4.9(16 Google reviews)

Clean Rays Energy, Inc. logo

Clean Rays Energy, Inc.

Alhambra, CA

4.4(14 Google reviews)

Solar Solutions 4 U, Inc

South El Monte, CA

3.3(12 Google reviews)

Ratings snapshot: Google Maps, August 2026, via the DataForSEO SERP feed. Zero companies paid us and none are endorsed by us.

Also ask each company to name the permitting route in writing. The correct answer references SolarAPP+ for eligible one and two family work, with the city Permit Portal handling inspections since December 2025.

Cut a first version of the Alhambra numbers

The estimator below runs a single blended rate against our local production model. It will not resolve time of use windows, baseline credits or CPA's unpublished export values, and it does not try to. It exists to establish scale: what a sensible system size looks like for the bill you have, under each way of paying for it.

$161
1,709

Slider maximum is our downtown Alhambra PVGIS model, one of the strongest resources we have run in Los Angeles County. The minimum applies a flat 15 percent haircut for orientation and shade on a specific roof.

$2.46

Cash quotes in Alhambra cluster near $2.46 per watt, against a $3.50 national 2024 median (LBNL). Use your quote.

Assumptions you can change
2.5%
7%
15
24c

Use the rate on your actual lease or PPA quote. There is no published statewide average we trust enough to hardcode.

2%
Estimated system: 3.4 kWAnnual usage: 5,811 kWhState credit: $0

Cash purchase

$8,364 after state credit

Year 1 benefit
$161/mo
Payback
5 years
20 year net position
$38,515

An Alhambra account pays SCE for delivery and, by default, Clean Power Alliance for generation. The calculator's single blended rate cannot capture that split, the Net Billing Tariff export values or CPA's own generation-side credits. Read the result as a rough size check.

Solar loan

$112/mo 15 yr payment

Year 1 net
$49/mo
Upfront
$0
20 year net position
$26,746

Financing assumptions come from the state model, not from an Alhambra offer. With SCE peak prices this steep, the honest comparison is what the loan payment costs against the specific TOU hours the system offsets, so demand that breakdown in writing.

Lease / PPA

$0 down you buy the power

Year 1 net
$45/mo
Upfront
$0
20 year net position
$14,668

Under a lease or PPA here, the owner of the hardware is a company, not the household, and your savings are the gap between their rate and the SCE plus CPA bill you avoid. The homeowner federal credit covered expenditures before the end of 2025, so treat any credit talk on a 2026 contract with care.

Estimates, not quotes. This screen combines the California average retail rate with an Alhambra PVGIS run and market cost inputs. It does not model SCE time of use plans, baseline credits, non-bypassable charges or CPA tariffs. We are a solar installer and we also partner with other solar companies. See our disclosures.

We are a solar installer and we also partner with other solar companies.

Answers for Alhambra homeowners

Does Alhambra actually use SolarAPP+?
Yes, according to both the official SolarAPP+ availability table and the CEC's tracking data, even though the city's Building Division page never names the platform. Contractors submit there; homeowners with questions should call 626-570-5032. Availability table.
Who is my electricity provider, SCE or Clean Power Alliance?
Both, in different roles. CPA supplies generation by default across three clean energy tiers, and SCE delivers the power, maintains lines and manages outages. You can switch CPA tiers anytime or opt out to SCE bundled service. CPA details.
What will my exports be worth?
New interconnections fall under the Net Billing Tariff on the SCE side, and CPA keeps its own Solar Billing Plan tariff for the generation portion without publishing amounts on its rate page. CPA offers customized comparisons at 888-585-3788. Tariff background.
Is there help if my income is limited?
CPA's Solar and Battery Access program provides no cost solar and battery equipment to income qualified single family homeowners, and the statewide SGIP equity budget covers paired storage for low income households in SCE territory. Eligibility gates apply to both. CPA programs.
My house is in a historic tract. Can I still go solar?
State law strongly protects solar installations, and no special Alhambra historic solar restriction appears on the city pages we reviewed. Confirm any extra review directly with the Building Division before finalizing a design. Building Division.
What does the permit cost?
Alhambra publishes no solar fee on the pages we fetched. The statutory ceiling sits at $450 for a residential PV system through 15 kW unless the city formally justifies charging more, so treat that as the limit when reviewing quotes. Fee cap statute.

Request an Alhambra estimate that names both suppliers

Share the bill, the roof age and your payment preference. The result arms you with questions about SCE hours, CPA credits and battery logic.

What does your monthly electric bill look like?

Alhambra average is $161 per month (EIA, 2024).