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We use your location to provide localized solar offers and incentives.
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.
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Select which appliances and circuits you want to keep running during a power outage. Our planner calculates exact runtime by battery model, accounts for duty cycles, and shows how solar extends your backup.
16 Appliances
3 Battery Models
Solar Recharge
DR Revenue
Step 1
Toggle on the appliances and circuits you want to keep running during an outage.
Step 2
Watch the running total update in real-time, showing both average and peak wattage.
Step 3
See exactly how many hours each battery model keeps your selected circuits running.
Step 4
Toggle solar to see extended backup time, plus ConnectedSolutions revenue estimates.
Duty cycle: Intermittent appliances like sump pumps, microwaves, and well pumps only run part of the time. We calculate average wattage using realistic duty cycles so your runtime estimate reflects actual usage, not worst-case.
See how an 8 kW solar system extends your backup
Earn money from your battery in MA, CT, or RI
Select your state above to see potential demand response revenue.
Start with fridge, lights, Wi-Fi, and phone charging (340W total). This baseline gives you 36+ hours on any battery. Add loads one at a time to see impact.
Peak wattage (motor start-up, etc.) must not exceed the battery peak rating. Continuous load must stay under the continuous rating, or the battery shuts down.
A paired solar system can recharge your battery daily, turning a 12-hour backup into multi-day or indefinite coverage. Our tool calculates this for a typical 8 kW system.
In MA, CT, and RI, ConnectedSolutions pays $225-$275/kW annually to discharge your battery during peak demand. A typical setup earns $1,000-$1,500/year.
| Spec | Tesla Powerwall 3 | Enphase IQ 5P x2 | Franklin aPower2 |
|---|---|---|---|
| Usable Capacity | 13.5 kWh | 10 kWh | 13.6 kWh |
| Continuous Output | 11.5 kW | 7.68 kW | 5 kW |
| Peak Output | 22 kW | 10.08 kW | 10 kW |
| Round-trip Efficiency | 97.5% | 96% | 89% |
| Warranty | 10 years | 15 years | 12 years |
| Installed Price | $14,200–$16,500 | $15,500–$18,500 | $16,000–$19,000 |
| Best For | Whole-home backup | Enphase solar pairing | Smart panel integration |
Our energy advisors will design a battery backup system based on your actual circuits, usage patterns, and budget. Professional load analysis included free.