SunCents Logo SunCents

Is Solar Worth It in Moraga, California?

We analyzed Pacific Gas & Electric (PG&E) rate books, NREL irradiance data, and California tax codes to calculate the real ROI for homeowners in 94556.

Market Snapshot

Elec. Rate
$0.27/kWh
Sun Hours
5.86
Utility Pacific Gas & Electric (PG&E)
Tax Exempt Yes
Battery Required

Analyst Note: The "4kW Benchmark"

The analysis below uses a standardized 4kW system to provide a fair baseline comparison across cities. However, the average electric bill in Moraga is $133.65.

Paying Pacific Gas & Electric (PG&E) bills in Moraga feels like a losing battle, with Time-of-Use rates skyrocketing in the evenings. Since California's switch to Net Billing (NEM 3.0), the old rules for solar no longer apply. Sending excess power back to the grid for pennies on the dollar doesn't make financial sense. To truly slash those bills, homeowners now need to generate, store, and use their own power with a solar and battery system.

Benchmark Cost Analysis

How Much Do Solar and Battery Systems Cost in Moraga?

A solar-plus-battery installation is the new standard for achieving real energy savings. While a solar-only system might seem cheaper upfront at just $8,050 after the federal tax credit, it leaves you exposed to PG&E's low export rates and peak evening prices.

For that reason, most Moraga homeowners are opting for a combined system:

  • Average Solar + Battery System Gross Cost: $23,500
  • After 30% Federal Tax Credit: $16,450
  • Estimated Payback Period: Around 9-10 years

This investment not only maximizes your savings under NEM 3.0 but also provides crucial backup power during outages, a common concern in the Bay Area hills.

Incentives & Tax Credits

2026 Solar Incentives for Moraga Homeowners

California's state-level rebates are mostly gone, but powerful federal incentives remain.

  • Federal Solar Tax Credit (ITC): This is the most significant incentive, allowing you to deduct 30% of your total system cost (including the battery) from your federal taxes. For a $23,500 system, that's a direct credit of $7,050. This credit is available through 2032.
  • Property Tax Exemption: Installing a solar system adds significant value to your home, but thanks to California's exemption, your property taxes will not increase.

Net Metering: Pacific Gas & Electric (PG&E)

Policy Status

NEM 3.0 (2023)

Battery Priority

Critical 🔋

Understanding PG&E's NEM 3.0 in Contra Costa County

Net Energy Metering (NEM) 3.0, also known as Net Billing, fundamentally changed the economics of solar. Under the old system, PG&E credited you at the full retail rate for excess energy you sent back to the grid. Under NEM 3.0, that credit has been slashed by about 75%.

You might import power from PG&E at $0.40/kWh during peak hours but only get paid around $0.06/kWh for the energy your panels export. This is why a battery is no longer a luxury—it's essential for a strong ROI. Storing your solar power is far more valuable than selling it cheaply back to PG&E.

Projected Savings

Projected Energy Savings in 2026

By storing the solar energy you generate during the day, you can power your home during PG&E's expensive 'peak' hours (typically 4-9 PM) instead of buying their costly electricity. This self-consumption strategy is key to savings.

  • Average Annual Savings with Solar + Battery: $1,690
  • Projected 25-Year Savings: Over $42,250
  • Key Benefit: You lock in your electricity costs and are protected from PG&E's inevitable future rate hikes. Your savings grow every time they raise their prices.

Local Questions Answered

Does the Bay Area fog in Moraga reduce solar production?
While Moraga gets its share of morning fog, it typically burns off, providing ample sunshine for a modern solar system. Panels are highly efficient and still produce power on overcast days. Your system is designed based on annual sunshine data, not just perfect summer days.
Why is a battery so critical under NEM 3.0?
Because PG&E now pays you very little for your exported solar energy. A battery lets you store that valuable energy and use it yourself during peak evening hours when electricity from the grid is most expensive. Without a battery, you'd be selling low and buying high.
What happens if there is a Public Safety Power Shutoff (PSPS)?
A solar-only system automatically shuts down during a grid outage for safety. However, a solar system paired with a battery can isolate from the grid and continue to power your essential appliances, giving you energy independence during PG&E's fire-prevention shutoffs.

Calculate Your Solar Savings

Enter your details below for a personalized estimate

Initializing Solar Engine...

* Calculations based on Pacific Gas & Electric (PG&E) residential rates (0.27/kWh).

Data Transparency & Methodology

Estimates for Moraga, California are produced by the SunCents Solar Engine (v1.2). We combine the following verified or standard industry sources:

Performance (PV production)

NREL PVWatts — modeled annual and hourly AC output (kWh), solar radiation, and system losses for a standardized array size so cities can be compared fairly.

nrel.gov

Electricity rates (tariffs)

U.S. Energy Information Administration (EIA) — state-level average retail electricity prices ($/kWh) and supporting series for economic context.

eia.gov

Incentives & programs

DSIRE — state and local rebates, net metering, and policy programs (summarized for readability; always confirm eligibility with a tax or solar professional).

dsireusa.org

Federal tax credit (ITC)

Investment Tax Credit — federal residential solar credit (e.g. 30% of qualified costs where applicable); rules change with statute—verify with a qualified advisor.

energy.gov

Utilities & interconnection

Where shown, local utilities (e.g. APS, PG&E, FPL, and other IOUs or munis) are mapped from public interconnection, tariff, or service-territory references so net metering and rider rules match your area—not generic national averages.