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California solar · Vallejo
Vallejo solar starts in Symbium, not SolarAPP+
Written by the Solar Learning Lab research deskUpdated August 24, 20269 min read
Vallejo is the odd one out in this group. Its residential solar and storage route is Symbium, not SolarAPP+. The city says the tool provides instantaneous permit issuance after an applicant confirms the address is inside city limits. That is real administrative speed. It does not make the bill math simple.
A Vallejo system can carry a $309 permit fee at 15 kW or less, run on PG&E wires, and settle generation through MCE Clean Energy's Solar Billing Plan. Those are distinct layers. Treating them as one generic California solar story is how a neat quote turns fuzzy.
Separate the permit from the economics
Start with eligibility, then ask how much daytime output your household will actually use.
Model Vallejo solarSymbium is Vallejo's automated lane
The City of Vallejo names Symbium as its online tool for residential solar or energy-storage permits under SB 379, Government Code 65850.52. The city describes the result as instantaneous permit issuance and tells applicants to verify city limits first. That is a sharper statement than a vague promise to process applications quickly. Read the Building Division instructions.
The CEC's August 2026 tracking workbook also records Vallejo as a Symbium Platform jurisdiction, with a CalAPP grant marked Awarded. The CEC explicitly says the spreadsheet does not certify compliance with SB 379, so use it as a status record, not a legal conclusion. Open the CEC tracking data.
Vallejo's general permitting and inspection system is eTRAKiT. Do not confuse that broader portal with the special solar route. A contractor should be able to explain which step happens in Symbium and which later job step uses the city's normal systems.
A $309 base fee is concrete. The above-15-kW line needs reading.
The published residential solar permit fee is $309 flat for systems 15 kW or less, including plan check. Vallejo lists $51.28 for each kW above 15 kW. The same schedule says the fee complies with Government Code 66015, whose residential baseline cap is $450 through 15 kW plus $15 per kW above that threshold unless a jurisdiction makes the required higher-fee finding. Vallejo's fee schedule and the state cap text are the documents to keep with the proposal.
There is a practical warning in the schedule: its electrical-permit tables show inconsistent percentage lines. We did not turn that into a made-up all-in number. Ask the installer for the permit application receipt and an itemized government-fee allowance before signing.
PG&E delivers. MCE handles the generation side.
Vallejo is in PG&E territory, while MCE serves the city as its community-choice provider. For a new system whose Permission to Operate is completed after April 14, 2023, MCE says its Solar Billing Plan applies and moves customers to PG&E's E-ELEC rate schedule. Delivery and generation charges have separate roles even though the account is not two separate homes. MCE's Solar Billing Plan explains the split.
| Energy source | Type | Average price | What that means |
|---|---|---|---|
| PG&E E-1 | tiered residential reference | 33¢ to 41¢ per kWh | Tier 1 is up to baseline and Tier 2 is above it. |
| PG&E E-ELEC | Solar Billing Plan rate | 28¢ to 55¢ per kWh | Prices vary by season and time period, plus a base services charge. |
| MCE storage credit | enrolled battery incentive | $10 or $20 per month | The level depends on whether storage is below 20 kWh or 20 kWh and above. |
| Solar used at home | avoided retail purchase | variable not a fixed export rate | A self-used kWh avoids the applicable purchase; exported kWh have separate credit rules. |
MCE describes export compensation as an Energy Export Credit Value based on wholesale rates, plus a Solar Bonus Credit equal to 10 percent of energy export credits in the billing period. Its 2026 residential Energy Export Bonus Credit is $0.009 per kWh for systems added in 2026, while income-qualified customers have a $0.036 per kWh figure. Those details argue for self-consumption, not for sizing a roof to flood the grid at noon. Check the current MCE rules.
The local production model peaks in July
Our standardized downtown run estimates 1,611.6 kWh per installed kW annually. July is the high month at 168.6 kWh per kW; December is 84.8. Vallejo's moderate coastal conditions do not eliminate the value of a good roof, but they make it reckless to substitute a city model for a shade analysis.
July is the modeled high month. The household's summer load decides how much of that output is used rather than exported.
PVGIS. PVGIS v5.2 model run by Solar Learning Lab on August 24, 2026, NSRDB radiation database. Fixed south facing mount, 30 degree tilt, 14 percent losses, downtown Vallejo coordinates. Your roof will differ.
Storage may improve the fit, but it is not a free pass
MCE lists a $10 monthly Solar Storage Credit for batteries below 20 kWh and $20 per month for systems at 20 kWh or more. CARE and FERA customers are also listed for a $0.05 per kWh Solar Credit. Those are account-specific program details, not a reason to accept a battery price without comparing it against the export profile and backup need. MCE's eligibility and credit terms control.
The federal homeowner credit ended for expenditures after December 31, 2025. A pre-2026 unused credit can carry forward, but a newly completed 2026 homeowner system does not create the old 25D credit. CRS IN12611 is the source for that timing rule.
Make bidders draw the boundaries
One bid should identify the Symbium permit path, the $309 fee assumption, the MCE account treatment, the PG&E rate plan, and the battery scope. If those details remain scattered across verbal answers, the proposal is not ready for a decision.
KOTA Energy Group
Concord, CA
4.0(93 Google reviews)
Solar Optimum Benicia
Benicia, CA
4.2(49 Google reviews)
TSP Roofing and Solar
Hercules, CA
4.9(39 Google reviews)
Ratings snapshot: Google Maps, August 2026, via the DataForSEO SERP feed. Zero companies paid us and none are endorsed by us.
Test the size before the salesperson does
This calculator is intentionally blunt. Use it to pressure-test a system size and then ask for an hourly production and self-consumption assumption that matches the household.
The high setting is the downtown Vallejo PVGIS model. The lower setting is 85 percent of that output, a sensitivity check rather than a prediction for your roof.
Cash quotes in Vallejo cluster near $2.46 per watt, against a $3.50 national 2024 median (LBNL). Use your quote.
Assumptions you can change
Use the rate on your actual lease or PPA quote. There is no published statewide average we trust enough to hardcode.
Cash purchase
$8,856 after state credit
- Year 1 benefit
- $161/mo
- Payback
- 5 years
- 20 year net position
- $37,957
This uses a California retail-rate baseline, not a recreation of MCE and PG&E settlement. In Vallejo, the meaningful distinction is energy used in the home versus energy exported under MCE's Solar Billing Plan.
Solar loan
$118/mo 15 yr payment
- Year 1 net
- $42/mo
- Upfront
- $0
- 20 year net position
- $25,496
Compare the cash price with the financed price line by line. A fast permit does not make dealer fees, APR, or a long loan term harmless.
Lease / PPA
$0 down you buy the power
- Year 1 net
- $45/mo
- Upfront
- $0
- 20 year net position
- $14,647
A PPA should be judged against the household's actual load and MCE export treatment, not against a generic California savings graphic.
Estimates, not quotes. This tool uses a California retail-rate baseline and a Vallejo PVGIS production run. It cannot reproduce MCE export credits, PG&E delivery charges, fixed charges, shading, or roof-specific design. We are a solar installer and we also partner with other solar companies. See our disclosures.
Vallejo solar questions
Does Vallejo use SolarAPP+?
What is the Vallejo solar permit fee?
Who supplies Vallejo electricity after solar?
What do new Vallejo solar exports earn?
Is the homeowner federal solar credit available in 2026?
Bring a Vallejo bill to the conversation
Use the estimate as a starting point, then obtain a project-specific roof, permit, and utility analysis.
What does your monthly electric bill look like?
Vallejo average is $167 per month (EIA, 2024).