Loading NuWatt Energy...
We use your location to provide localized solar offers and incentives.
We serve MA, NH, CT, RI, ME, VT, NJ, PA, and TX
Loading NuWatt Energy...
New England averages 3+ power outages per winter. Texas saw grid-wide failures in 2021 and 2023. A home battery keeps your lights on, your pipes from freezing, and your family safe when the grid fails.
ConnectedSolutions pays $1,000-$1,500/year in demand response income. Your battery doesn't just protect you — it pays for itself.
Aging infrastructure, extreme weather, and increasing demand create a perfect storm of grid unreliability. Here is how often your utility fails — and how long you are left in the dark.
| Utility | States | Avg. Outages/Year | Avg. Duration | Worst Threat | Risk |
|---|---|---|---|---|---|
| Eversource | MA / NH / CT | 3.2 | 7.4 hrs | Ice storms, nor'easters | High |
| National Grid | MA / RI | 2.8 | 5.6 hrs | Wind, aging infrastructure | Medium |
| CMP / Versant | ME | 4.1 | 9.2 hrs | Ice + wind, rural lines | Critical |
| GMP | VT | 3.0 | 6.8 hrs | Heavy snow, mountain terrain | High |
| ERCOT / TX Utilities | TX | 2.5 | Variable | Grid-wide failures, rolling blackouts | Critical |
Maine has the highest outage rate in New England
CMP and Versant customers experience an average of 4.1 outages per year with an average duration of 9.2 hours. Rural transmission lines, heavy ice loading, and dense forest canopy make Maine uniquely vulnerable to extended winter outages. A single ice storm in January 2025 left 180,000+ customers without power for up to 5 days.
Texas: A grid that has already failed catastrophically
Winter Storm Uri (February 2021) caused grid-wide failure for 4+ days, with temperatures plunging to single digits. The 2023 winter event triggered rolling blackouts across ERCOT again. Texas's isolated grid means no help from neighboring states. A home battery is the only reliable defense against ERCOT instability.
We install and warranty every system ourselves. No subcontractors, no finger-pointing. Each battery is backed by a manufacturer warranty of 10-15 years.
Best for: Targeted backup
Capacity
5 kWh
Power
3.84 kW
Installed
$8,500
Best for: Whole-home backup
Capacity
13.5 kWh
Power
5 kW
Installed
$11,500
Best for: Premium alternative
Capacity
13.6 kWh
Power
5 kW
Installed
$12,500
All prices are estimates for typical installations. Final pricing depends on site conditions, panel compatibility, and local permitting requirements. Prices do not include any state or utility incentives.
Your backup duration depends on what you power. Here is a realistic breakdown of what one, two, or three batteries can sustain during a winter outage.
Solar + Battery = Unlimited Daytime Backup
All durations above assume no solar recharging. If your battery is paired with solar panels in islanding mode, it recharges during daylight hours — effectively giving you unlimited backup as long as the sun shines. Even on cloudy winter days, a 6 kW solar array can replenish 10-15 kWh, enough to keep essentials running indefinitely.
The federal residential solar tax credit (Section 25D) expired December 31, 2025, but state and utility programs can still significantly reduce your battery cost. Here is what is available in each state we serve.
ConnectedSolutions alone pays $1,000-$1,500/yr for a typical system.
Smart-E loan at 0.99% APR covers batteries through CT Green Bank (through 3/31/2026).
REF $2,000 battery adder plus ConnectedSolutions DR income.
Battery value is primarily outage protection in NH.
Highest outage rate in New England. Battery backup most impactful here.
GMP Bring Your Own Device program offers TOU rate savings with battery.
After Winter Storm Uri, battery demand surged 300% in Texas.
In Massachusetts, Rhode Island, and Connecticut, your battery earns annual income by participating in utility demand response events. Here is how the math works.
| Battery | Power (kW) | Eversource | National Grid | Payback |
|---|---|---|---|---|
| Enphase IQ 5P | 3.84 | $1,248/yr | $1,056/yr | ~7 years |
| Tesla Powerwall 2 | 5.0 | $1,625/yr | $1,375/yr | ~7-8 years |
| Franklin aPower | 5.0 | $1,625/yr | $1,375/yr | ~8-9 years |
DR income is based on PY2025-26 rates and may change annually. ConnectedSolutions events typically occur 10-15 times per summer, lasting 2-3 hours each. Your battery remains fully available for backup outside of DR events.
A battery alone is a buffer — it buys you hours. A battery paired with solar panels is a power plant. In islanding mode, your solar panels charge your battery during the day, and the battery powers your home at night. As long as the sun rises, you have power.
National solar companies run aggressive winter battery campaigns. Here is what they don't tell you — and why local installation matters.
When your battery has an issue at 2 AM during an ice storm, you need a local team that answers the phone — not a 1-800 number routing to a contractor who has never seen your system. NuWatt technicians live in the communities we serve.
National chains push 25-year lease agreements where they own your equipment and you pay monthly. NuWatt installs batteries you own outright. Your ConnectedSolutions income goes to you, not to a financing company.
The federal residential solar tax credit (Section 25D) expired December 31, 2025. Some companies still imply you can claim it. We price our systems honestly without phantom incentives. What we quote is what you pay.
Every NuWatt installation is performed by NABCEP-certified professionals — not subcontracted day laborers. NABCEP certification is the gold standard for solar and battery installation quality and safety.
Common questions about home battery backup, winter storm preparedness, and ConnectedSolutions income.
A single 13.5 kWh battery (like Tesla Powerwall 2) can power essential loads — refrigerator, lights, WiFi, phone charging, and a garage door opener — for roughly 12 to 24 hours. If you pair it with solar panels, the battery recharges during daylight hours, giving you effectively unlimited backup as long as the sun shines. Two batteries extend whole-home coverage to 8-16 hours without any solar recharging.
Yes. All three battery systems we install — Enphase IQ Battery 5P, Tesla Powerwall 2, and Franklin aPower — are designed as AC-coupled retrofits that integrate with existing solar arrays. The Enphase IQ Battery 5P is especially popular for Enphase microinverter systems. Installation typically takes one day, and no changes to your existing solar panels or inverter are needed in most cases.
Yes. A battery charges from the grid when electricity is cheapest and provides backup power during outages. However, without solar, your battery is a finite buffer — once it is depleted in a prolonged outage, it cannot recharge until grid power returns. With solar panels, your battery recharges during daylight, providing indefinite backup in extended outages.
Generators require fuel (gasoline or propane), produce carbon monoxide (a deadly hazard indoors), need manual start-up, and require regular maintenance. Batteries activate instantly and silently during outages with zero emissions. Batteries also earn demand response income ($1,000+/year in New England). The main advantage of generators is lower upfront cost for very high power needs. For most homes, a battery system is safer, quieter, and pays for itself through utility programs.
Yes. The federal residential tax credit (Section 25D) expired December 31, 2025, but batteries remain a strong investment. ConnectedSolutions in Massachusetts pays $1,000-$1,500/year in demand response income, meaning a battery can pay for itself in 6-8 years. State programs like CT Smart-E loans (0.99% APR) and RI REF ($2,000 battery adder) further reduce the effective cost. Backup power value during winter outages is an additional benefit that is hard to put a dollar figure on.
ConnectedSolutions is a demand response program run by Eversource and National Grid in Massachusetts, Rhode Island, and Connecticut. During summer peak demand events (typically 10-15 times per year), your battery discharges stored energy back to the grid for 2-3 hours. You receive $225-$325 per kW of battery capacity per year. For an Enphase IQ 5P (3.84 kW), that is approximately $864-$1,248/year. Your battery is fully available for backup the rest of the time.
Typical timeline is 2-4 weeks from signed contract to operational battery. Site assessment takes 1-2 days, permitting 1-2 weeks (varies by municipality), and installation itself is usually completed in a single day. For urgent winter storm preparedness, we prioritize battery-only installations since they do not require the longer permitting timelines associated with solar panel additions.
All three battery systems we install are rated for operation down to -4F (-20C). Tesla Powerwall 2 and Franklin aPower have integrated thermal management systems that maintain optimal battery temperature. Enphase IQ Battery 5P is rated to -4F as well. In practice, most batteries are installed in garages, basements, or utility rooms where temperatures rarely drop below freezing, so cold weather performance is not a concern for the vast majority of installations.
Winter storm season runs through March. Install timelines are 2-4 weeks. The sooner you start, the sooner your home is protected.
Free site assessment. No obligation. Honest pricing with no phantom tax credits.