Local context
What limits San Mateo roofs
San Mateo averages 5 peak sun hours per day in the regional data. Roof orientation, usable area, and shade can reduce production further for an individual property.
Solar data for San Mateo
- Peak sun hours / day
- 5 hrs
- Typical system size
- 4–7 kW
- Estimated first-year savings
- $780–$1,160
- Roofs suitable for solar
- 55–68%
- Primary utility
- PG&E
- Net metering
- NEM 3.0 (Net Billing)
Modeled annual average.
Residential, based on typical CA household load.
6 kW DC, 0.85 derate, 70% self-consumption, $0.33/kWh avg rate. Estimate only.
Modeled from regional adoption data.
Contact your utility for current NEM/NBT enrollment status.
Under California's Net Billing Tariff (NEM 3.0, April 2023), exported power earns avoided-cost rates (~$0.02–0.08/kWh); self-consumed solar saves at full retail rate, so battery storage maximizes value.
Estimates based on the average California residential electricity rate of $0.33/kWh (EIA, retrieved Aug 2026) and modeled solar production; your rate and usage will vary.
Frequently asked questions
How much sun does San Mateo get for solar?
San Mateo receives approximately 5 peak sun hours per day on average, based on modeled regional data.
What is the estimated first-year savings from solar in San Mateo?
For a typical 6 kW system in San Mateo, first-year savings are estimated at roughly $780–$1,160. Estimates based on the average California residential electricity rate of $0.33/kWh (EIA, retrieved Aug 2026) and modeled solar production; your rate and usage will vary. These are educational estimates, not guarantees.
What can limit solar production in San Mateo?
San Mateo averages 5 peak sun hours per day in the regional data. Roof orientation, usable area, and shade can reduce production further for an individual property.
Data source: City figures are modeled estimates for general guidance — not a quote for any specific property.
Ready to check your roof in San Mateo?
The city data above is a regional estimate. Enter your address to get a personalized result based on your actual roof.
Solar data for nearby California cities
- Anaheim, CA5.6 hrs/day
- Bakersfield, CA6 hrs/day
- Chico, CA5.7 hrs/day
- Concord, CA5.2 hrs/day
- Corona, CA5.7 hrs/day
- Elk Grove, CA5.6 hrs/day