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We serve MA, NH, CT, RI, ME, VT, NJ, PA, and TX
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NuWatt designs, installs, and manages solar, battery, heat pump, and EV charger systems across 9 states. One company, one warranty, one point of contact.
Get a Free Quote5-10 kWh battery with 4-8 hours backup, paired with solar + heat pump for Houston, TX. CenterPoint Energy (Houston) at $0.14/kWh. Bundle saves $2,894/year.
Battery Cost
$5,000-$10,000
Capacity
5-10 kWh
Backup
4-8 hours
Bundle Payback
19.3 yrs
Battery + Solar + Heat Pump — NuWatt bundles all three for coordinated design, single permit, and shared electrical work in Houston.
Solar + Critical-Load Backup Battery + Heat Pump
In a fully electrified home, your battery must handle more than just lights and a refrigerator. A heat pump draws 2-5 kW continuously, and an EV charger adds 7-10 kW. The critical-load backup tier (5-10 kWh) provides 4-8 hours of backup coverage for Houston, TX.
A critical-load battery cannot power a heat pump. During extended outages, you will lose heating and cooling. This tier is designed for lights, refrigerator, internet, and medical devices only.
Solar recharges the battery during daytime outages. With a 12kW array producing 14,400 kWh/year in 77008, the battery cycles daily for time-of-use optimization and stays topped off for emergencies.
Critical-Load Backup Battery
No state or utility rebate currently available
Solar
No state or utility rebate currently available
Heat Pump
Federal residential ITC (Section 25D) and heat pump credit (Section 25C) expired December 31, 2025. Standalone homeowner-purchased batteries receive $0 federal tax credit. Third-party-owned systems (lease/PPA) with solar may still qualify for 30% ITC under Section 48/48E.