Sky-high electricity bills from PG&E are the new reality for Campbell homeowners, with Time-of-Use rates making power costliest exactly when you need it most (4-9 PM). Before 2023, solar was a simple fix. Today, under the NEM 3.0 rules, simply selling power back to the grid is no longer a path to savings. This guide explains why pairing solar panels with a home battery is now the smartest financial move in 2026.
Benchmark Cost Analysis
How Much Does a Solar + Battery System Cost in Campbell?
To truly escape PG&E's high rates, a combined solar and battery system is the standard. While a small solar-only system might seem cheaper upfront (around $8,050 after credits), its savings are severely limited by low export credits. For real energy independence and maximum savings, Campbell homeowners are opting for a complete solar and battery installation.
- Average Solar + Battery System Gross Cost: $23,500
- After 30% Federal Tax Credit: $16,450 (Net Cost)
- Estimated Payback Period: 9-10 years
This investment covers the panels, inverter, and a battery (typically 10-13 kWh) that allows you to store your free solar energy for use during PG&E's expensive evening peak.
Incentives & Tax Credits
The 30% Federal Solar Tax Credit is Key
The single most important incentive is the federal Residential Clean Energy Credit, which remains at 30% through 2032. This isn't a simple deduction; it's a dollar-for-dollar credit against your federal tax liability.
- On a $23,500 solar and battery system, the 30% credit amounts to $7,050.
- This credit applies to the total cost of the project, including panels, the battery, labor, and related equipment.
- California also offers a complete property tax exemption, so your home's increased value from the solar installation won't raise your property taxes.
Net Metering: Pacific Gas & Electric (PG&E)
NEM 3.0 (2023)
Critical 🔋
Understanding PG&E's NEM 3.0 'Net Billing' Tariff
California's solar policy, known as NEM 3.0, drastically changed how homeowners are credited for excess solar power. Under the old rules, you'd get nearly a full retail credit. Now, the system works against solar-only customers.
- Export Rate: When your panels produce more electricity than you're using, the excess sent to the grid is credited at a low 'Avoided Cost Rate'—roughly $0.05 - $0.08/kWh.
- Import Rate: When you pull electricity from the grid in the evening, you pay PG&E's full retail rate, which averages $0.27/kWh and can spike to over $0.40/kWh during peak hours.
This massive difference between what you pay and what you get paid is why a battery is no longer a luxury in Campbell—it's essential for a strong ROI. The battery lets you avoid sending power to the grid for a pittance and instead use it to power your own home later.
Projected Savings
Real-World Monthly and Annual Savings
A properly designed solar and battery system offsets the most expensive electricity. Instead of selling your valuable solar energy to PG&E for pennies, you use it yourself when their rates are highest. This strategy of 'self-consumption' leads to significant savings.
- Average Electric Bill Without Solar: $216/month
- Estimated Annual Savings (Solar + Battery): $1,694
- Estimated Lifetime Savings (25 years): Over $58,000
By using your own stored solar power from 4 PM to 9 PM, you avoid paying PG&E's peak rates, which can be double or triple the off-peak cost. The battery effectively makes your home a mini power plant, independent of grid price swings.