High summer electricity bills from Arizona Public Service (APS) are a fact of life for homeowners in Avondale. For years, rooftop solar was the straightforward solution, but that has changed. Under APS's current rules, installing solar panels without a battery storage system is no longer the path to maximum savings. The key now is achieving energy independence from the grid, especially during peak hours.
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Investment for Energy Independence in Avondale
A properly sized solar panel and battery system in Avondale typically costs around $23,500 before any incentives. This upfront cost delivers long-term bill control. Contrast this with a solar-only system: while cheaper upfront at about $11,500, its projected savings are slashed by over a third due to the poor net billing export rates, making it a far less effective investment.
Incentives & Tax Credits
Available Tax Credits and Exemptions
Financial incentives significantly lower the cost barrier. The 30% Federal ITC provides a $7,050 credit on a $23,500 system. Additionally, the $1,000 Arizona state tax credit brings the total net investment down to $15,450. On top of that, your solar equipment is fully exempt from state sales tax, and adding solar will not increase your property taxes, thanks to state exemptions.
Net Metering: Arizona Public Service (APS)
Net Billing (2024)
Critical 🔋
The Problem: APS's Net Billing Rules Diminish Solar-Only Savings
APS's net billing policy is the biggest hurdle for solar-only systems. When your panels produce more electricity than you're using, that excess power is sent to the grid. APS buys it from you for a low 'avoided cost' rate of roughly 6-8¢/kWh. Just hours later, when the sun sets and your home needs power, you have to buy it back from APS for more than double that price. This buy-low, sell-high structure severely limits the financial returns of a system without battery storage.
Projected Savings
The Solution: How a Battery Unlocks Real Savings
A home battery changes the equation entirely. Instead of selling your excess solar energy to APS for pennies, you store it in your battery. When evening comes, your home runs on that stored, free solar energy instead of expensive grid power. This strategy of 'self-consumption' can save an Avondale household around $889 per year and provides energy security during grid outages. It’s the only way to effectively zero-out your bill in APS territory.