The 30% solar tax credit ended. What changed for 2026 buyers No federal credit on a purchased system completed after 2025, what leases can still claim, and what California still offers. Facts checked September 23, 2026

NEM 3.0 explained for SCE customers: how solar gets paid in 2026 What SCE credits for exported solar, why TOU-D-PRIME is required, the 9-year lock, the annual true-up, and why sizing to your usage with a battery beats a bigger array. Facts checked September 21, 2026

Going solar in Azusa: how Azusa Light & Water differs from SCE NEM 3.0 does not apply in Azusa. Kilowatt-hour net metering, the 8.85 cent surplus payout, the no-export battery rule, and the two-office permit. Facts checked September 21, 2026

How long a solar permit takes in the San Gabriel Valley, city by city SolarAPP+ status in all nine cities, local rules, battery fire reviews, and why SCE permission to operate is the step that sets the calendar. Facts checked September 21, 2026

What a Tesla Powerwall does during a Public Safety Power Shutoff Which foothill neighborhoods SCE shuts off, why solar alone goes dark, what one Powerwall actually runs, and where the fire code lets it go. Facts checked September 21, 2026

Solar on a tile roof: what goes wrong and how to avoid it Why tile leaks after solar, the flashed-mount methods that keep it dry, when the underlayment needs replacing first, and four questions to ask any installer. Facts checked September 21, 2026

Should you replace the roof before going solar? The fewer-years-than-the-panels rule, how to judge shingle and tile roofs, the 2026 cool-roof and Class A fire-zone rules, and why roof plus solar as one project costs less. Facts checked September 21, 2026

What you should know before you ask for a quote

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