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Eastcrest EnergyEastcrest
Installation

Residential Solar Panel Installation in New Jersey

Residential solar installation is the core of what we do at Eastcrest Energy. We design and install rooftop solar systems for homeowners across New Jersey — from Branchburg in Somerset County to Ocean City on the shore — and we've built the company around a principle most of our competitors skip: the same in-house crew that sells you the system installs it, interconnects it, and is still on the phone five years later if anything needs attention. That matters in a state where solar incentives, net metering rules, and SuSI registration all move through multiple utilities and the NJ BPU, and where a missed permit filing can delay a system's activation by weeks. We handle every piece of that process, file it correctly the first time, and keep you informed at every step. Most of our customers go from signed contract to flipped switch in 8 to 14 weeks, which is as fast as NJ's regulatory process realistically allows.

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

Everything you get when you work with us.

  • Site Evaluation & Design

    On-site roof measurement, drone-based shade analysis when needed, and a custom CAD layout sized to your annual usage.

  • In-house Crew

    Same W-2 team designs, installs, and services your system. No subcontractors, no rotating faces — the people who quote you are the people on your roof and on the phone five years later.

  • Tier-1 Equipment

    REC, Qcells, Trina, or SunPower modules paired with Enphase microinverters or SolarEdge optimizers — all with 25-year warranties.

  • Permitting & Interconnection

    Every permit, every utility filing, every SuSI (SREC-II) registration — handled end-to-end by our internal operations team.

  • Installation

    Physical install is 1–2 days with an in-house crew. We protect your roof, landscaping, and attic during the work.

  • Final Inspection & PTO

    We schedule the town inspection, meet the inspector on site, and handle the utility's Permission to Operate paperwork.

  • Monitoring Setup

    Before we leave, we show you how to read the Enphase or SolarEdge app and confirm panel-level production is live.

  • Production Guarantee

    If your system meaningfully underperforms, we diagnose the root cause at no charge and either correct our work or file the manufacturer warranty claim on your behalf.

  • 25-year Warranties

    Product, inverter, and workmanship. If something fails in year 18, we come out and fix it.

How We Work

From first call to flipped switch.

  1. Free Site Evaluation

    We measure your roof in person, confirm orientation and shading, check your service panel capacity, and pull your last 12 months of utility usage. You get a site-specific proposal within one business day — not a generic template.

  2. Proposal & Financing Selection

    We show you three system-size options sized against your usage, real production estimates by month, and financing terms from Sunlight, Sunnova, SunPower Financial, and Mosaic. You pick the combination that works for you.

  3. Engineering & Permitting

    Our structural engineer stamps the roof plans. Our electrical designer finalizes the single-line diagram. Our operations team files the town permit and the utility interconnection application. Timeline: 3–6 weeks on average.

  4. Installation

    Your install crew arrives with everything pre-staged. Most 7–12 kW residential systems take 1–2 days. We protect your roof, flash every penetration, and leave the site cleaner than we found it.

  5. Inspection & Utility Activation

    Town inspection typically happens within two weeks. Utility PTO follows inspection approval. Once PTO comes through, we remotely activate your system, verify production, and send you your monitoring login.

Deeper Dive

Why this matters.

Why in-house installation matters

Most large solar companies use subcontracted installation crews. The sales rep who quoted your system is not the person swinging a hammer on your roof, and neither of them will be the person servicing the system in five years. That disconnect is the single biggest source of frustration we hear from homeowners whose original installer has gone silent or gone out of business. At Eastcrest, the crew is on W-2 payroll. They know your project by name. When we flash a roof penetration, we flash it the way we'd flash our own roof — because the same team is responsible for it for the next 25 years.

What we install and why

We pick equipment that's paid for itself in reliability data, not equipment with the best contractor margin. On the module side, we default to REC Alpha Pure panels, Qcells Q.PEAK DUO, and Trina Vertex S modules — all tier-1 manufacturers with independent bankability ratings and 25-year power production warranties. On the inverter side, we install Enphase IQ8 microinverters for the majority of residential installs (they simplify rapid-shutdown compliance, give you panel-level monitoring, and survive partial-string failures) or SolarEdge optimizers for projects where string architecture is a better fit. We explain the trade-offs in person. You choose.

System sizing for a New Jersey home

Sizing is the decision that most affects your 25-year return, and it's the decision we see the most solar companies get wrong. Oversize a system and you'll produce more than you consume, which NJ utilities true up at the lower avoided-cost rate — meaning you effectively donate the overproduction to the grid at a loss. Undersize and you leave SuSI income on the table. We size against your actual 12-month usage history, adjust for upcoming changes you share with us (an EV, a heat pump, an addition), and target approximately 95–100% of annual usage for most homes. If you're not sure what your future usage will look like, we'll model a few scenarios and walk through them with you.

NJ incentives that apply to your install

New Jersey's solar incentive stack is among the most generous in the country. The federal Residential Clean Energy Credit returns 30% of the total installed cost as a tax credit. New Jersey waives the 6.625% sales tax on the equipment itself and exempts solar-increased property value from local property tax. And the state's SuSI (Successor Solar Incentive) program pays you per megawatt-hour of production for 15 years — currently at a SREC-II rate of roughly $85/MWh for most residential systems. We file the SuSI registration on your behalf and you start earning credits the month your system is active. Over 15 years, a typical 8 kW residential system generates about $11,000 in SuSI income on top of bill savings.

Roofs we work with

We install on asphalt shingle, architectural shingle, metal (standing seam and corrugated), concrete tile, and flat-membrane roofs. For shingle roofs with 10+ years of expected life remaining, we typically recommend installing solar now. For shingle roofs with less than 7 years of remaining life, we'll honestly tell you to consider our roof replacement service first — because removing and reinstalling an array down the line costs real money. We use QuickMount PV roof flashings (or equivalent) on every penetration, which are the only flashings that carry their own 25-year warranty and that most roofing manufacturers will not void a roof warranty over.

Common Questions

FAQs about solar panel installation.

How long does the full installation process take?

From signed contract to utility Permission to Operate, most residential installs take 8 to 14 weeks in New Jersey. The physical installation itself is 1–2 days. The majority of the timeline is permitting and utility interconnection review — processes that we handle but that we cannot accelerate beyond their regulatory pace.

Do I need to be home during installation?

Typically yes for the first hour to confirm site access, roof access, and electrical panel location. After that, the crew works independently. A final walk-through at the end of day two takes about 20 minutes.

Will solar void my roof warranty?

Not with the flashings and installation methods we use. We install QuickMount PV or comparable flashings on every penetration. These are pre-approved by all major shingle manufacturers and carry their own 25-year warranty against leaks. If you have a specific roof manufacturer warranty, we'll confirm compatibility before installation.

What happens if my system underperforms its estimate?

Our production estimates are based on PVsyst or Helioscope modeling and are intentionally conservative. Our workmanship warranty guarantees installation integrity; the equipment manufacturer's production warranty backs the module output. If your system is meaningfully underperforming, we diagnose the root cause at no charge and either correct our installation or file the warranty claim with the manufacturer on your behalf.

Can I add battery storage later?

Yes. We design every install to accommodate a future battery addition. Enphase-based systems use IQ Batteries that retrofit cleanly; SolarEdge systems pair with their StorEdge hub. If you know you want a battery eventually, tell us upfront and we'll pre-wire the backup panel.

Also Consider

Other ways we can help.

Free Consultation

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A senior installer comes to your home, walks the roof, reviews your last twelve months of bills, and gives you a written quote — usually in under an hour.

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