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Installation

Solar Battery Storage Installation in New Jersey

A solar battery turns a good New Jersey solar system into a useful one during the outages that actually affect your life — the late-summer thunderstorm that knocks out power for eighteen hours, the nor'easter that drops a tree across a JCP&L line, the heat-wave day the grid strains and your neighborhood loses service for half an afternoon. We install batteries for homeowners across our eleven-county service area, and we do it two ways: paired with a new solar install at the same time, or retrofitted to a system we didn't originally build. Either path works, but the engineering is different, and picking the right product for your electrical panel and backup goals matters more than most people realize. We walk through your main panel, your critical loads, and what you actually want powered during an outage before we quote anything. New Jersey doesn't yet offer a standalone state battery rebate, but the 30% federal tax credit applies to storage even when installed without solar, which quietly makes 2026 a sensible year to add one.

  • 25-Yr Warranty
  • Licensed & Insured
  • NABCEP Certified
  • $0-Down Financing
What's Included

Everything you get when you work with us.

  • Load audit & backup planning

    We walk your panel with you, identify the circuits you care about during an outage, and size backup capacity to match — not to an arbitrary kWh number.

  • Enphase or Tesla selection

    Honest comparison of Enphase IQ Battery 5P, Tesla Powerwall 3, and FranklinWH — based on your existing inverter platform and backup goals, not installer preference.

  • Electrical upgrades if needed

    Main panel assessment, critical-loads subpanel installation, and service upgrades when the existing panel can't support whole-home backup.

  • Permits & utility notification

    Town electrical permit, utility interconnection update with PSE&G, JCP&L, Atlantic City Electric, or Rockland Electric, and final inspection coordination.

  • Commissioning & app setup

    We configure backup reserve, time-of-use schedules if relevant, storm-watch, and walk you through the Enphase or Tesla app before we leave.

  • Workmanship warranty

    Ten-year workmanship warranty on our installation alongside the manufacturer's ten- to fifteen-year product warranty.

How We Work

From first call to flipped switch.

  1. In-home Consultation

    We come out, open your panel, and look at the real wiring. We ask what bothers you about outages today and what you'd want to keep running. We leave with photos of your panel and a clear set of options.

  2. Design & Proposal

    Within a few business days you receive a written design with battery count, backup coverage map (which circuits stay live and for how long), net cost after the federal credit, and expected payback if you're on a time-of-use rate.

  3. Permitting

    We file the town electrical permit and — if your solar is already interconnected — the updated single-line diagram with your utility. Most NJ townships turn battery permits around in two to four weeks.

  4. Installation Day

    Wall-mount or floor-mount depending on the product. Most retrofits take one long day; whole-home backup with a critical-loads subpanel can stretch to two. We protect flooring, keep the main breaker off only as long as needed, and clean up before we leave.

  5. Inspection & Activation

    Town inspector visits, approves, and we commission the battery on the utility-approved firmware. We set your backup reserve, demonstrate a simulated outage, and confirm the app is reading state of charge correctly.

Deeper Dive

Why this matters.

Enphase IQ Battery vs Tesla Powerwall for NJ homes

The right battery for your house depends almost entirely on what's already on your roof. If you have Enphase microinverters, an Enphase IQ Battery 5P is the obvious pick — the AC-coupled architecture talks to your existing IQ8 microinverters natively, the IQ System Controller handles the grid-forming logic cleanly, and you can add capacity in 5 kWh increments as your needs grow. If you have a SolarEdge or string inverter, a Tesla Powerwall 3 is often simpler because it includes its own hybrid inverter and can reuse the PV wiring. For homes without solar yet, both products work as standalone storage under the federal 30% credit. We don't carry a brand allegiance — we install whichever product makes sense given your panel, your loads, and how much backup runtime you actually want.

Whole-home vs critical-loads backup

Whole-home backup sounds appealing until you understand the cost. To run an entire 200-amp New Jersey home — central air, electric range, electric dryer, well pump, EV charger — during a long outage, you typically need three to four Powerwall 3s or five to six IQ Battery 5Ps. That's a meaningful investment. Most of the customers we work with choose critical-loads backup instead: we install a small subpanel, move the circuits you genuinely need (refrigerator, furnace blower, well pump, a handful of outlets, internet router, sump) onto it, and back up that subpanel with one or two batteries. The total cost drops substantially and the protected circuits run for days, not hours, on a full charge.

How batteries work with NJ net metering and SuSI

New Jersey's net metering framework is favorable to battery owners. Your solar still generates SREC-IIs for every megawatt-hour produced under the SuSI program, whether the electricity flows to the grid or into the battery first — the meter that counts for SuSI is on the PV side. Net metering credits are unaffected as long as the battery doesn't export grid-charged electricity back to the utility (all the products we install are configured to prevent that). For homeowners on standard residential tariffs from PSE&G, JCP&L, ACE, or Rockland, the day-to-day financial case for a battery is weaker than in states with time-of-use rates — the case is mostly about resilience. If you're on one of the optional TOU pilots or your utility moves that direction, the self-consumption math improves.

Retrofitting storage to an older solar system

Adding a battery to a system installed five or ten years ago is common work for us. The key question is what inverter you have now. Older SunPower, SolarEdge HD-Wave, and first-generation Enphase systems can all accept AC-coupled battery retrofits — the battery sits alongside the existing inverter rather than replacing it. Older systems with legacy string inverters that lack rapid-shutdown compliance sometimes need a modernization pass first, which we can handle as part of the battery project. We'll tell you honestly if your existing inverter is near end of life; sometimes the right answer is to replace the inverter and add storage together so the new equipment carries a single coordinated warranty.

What the federal tax credit actually covers

The federal Residential Clean Energy Credit returns 30% of the installed cost of battery storage as a non-refundable tax credit, whether the battery is installed alongside solar or as a standalone. The battery needs a capacity of at least 3 kWh, which every product we install easily exceeds. The credit covers the battery, the inverter or system controller if it's storage-specific, labor, permits, and any electrical upgrades directly required to integrate the battery. We provide an itemized invoice that separates battery-eligible costs from anything that isn't, which your tax preparer will thank us for at filing time.

Common Questions

FAQs about battery storage.

How long will the battery keep my house running during an outage?

Depends on which loads are backed up and the battery's usable capacity. A single IQ Battery 5P (5 kWh usable) backing up a critical-loads subpanel with a fridge, furnace blower, well pump, and a few outlets typically runs about 10 to 16 hours per full charge, then recharges from solar the next day. Whole-home setups with three to four batteries frequently run indefinitely in daylight and span an overnight comfortably.

Can I add a battery later if I don't get one with my solar install?

Yes. We design every solar system we install to accept a future battery cleanly. If you're buying solar now and think you might want storage in a few years, tell us up front — we'll leave the appropriate wiring and panel space so the retrofit is a one-day job instead of a three-day reshuffle.

Do I need a battery to have solar in New Jersey?

No. NJ's net metering program credits you for every kilowatt-hour you export to the grid, so a grid-tied solar system without a battery still reduces your bill effectively. A battery adds resilience during outages but doesn't meaningfully change the day-to-day economics unless you're on a time-of-use rate.

Where does the battery physically get installed?

Interior garages, basements, or finished utility rooms are ideal. Exterior installation is possible — both Enphase and Tesla are rated for outdoor mounting — but we usually prefer an interior location for temperature stability and longevity. Battery cabinets are roughly the size of a water heater.

What happens to the battery in very cold or very hot weather?

Both Enphase and Tesla products include thermal management and operate safely across NJ's typical temperature range. Very cold garages (below about 10°F) will reduce short-term capacity until the battery warms itself; very hot conditions will trigger the cooling systems. Neither is common inside a typical NJ home.

Also Consider

Other ways we can help.

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