John from Colts Neck, NJ has been a Green Sun Energy Services client since October of 2024, and both jobs on this page were done within five weeks of each other.
A 22.5 kW Generac on thirty circuits
Commissioned on 6 January 2025. The house is 8,037 square feet on a 400-amp service, and the whole-house calculation under NEC Article 220 came to 32 kW. The machine that went in is rated 22.5 kW on natural gas – 26 kW on propane – which is not a shortfall but a different question answered. Rather than back up the whole of an eight-thousand-square-foot house, the generator feeds a thirty-circuit subpanel through a 200-amp transfer switch, with three smart management modules arbitrating between the largest loads on it.
Thirty circuits is a great deal of house. It is not the refrigerator and a lamp. But it is a decision about what has to keep running, rather than an attempt to make an outage invisible across eight thousand square feet – and the load survey shows why somebody had to make that decision: an electric range and oven combination, a separate double electric oven, two dishwashers, two refrigerators, a freezer, a washer, a gas dryer, a sump pump and a well pump. Backing all of it at once would have meant a machine half as large again, running mostly to be ready for a coincidence. The well pump is the entry that settles the priorities: on a well, no power means no water at all.
A ChargePoint on a 60-amp circuit
10 February 2025, five weeks later. The household supplied the charger and we hardwired it within ten feet of the panel – J1772, dedicated 60-amp circuit, 11.5 kW, roughly 36 miles of range an hour. With the charger counted in, the calculated minimum service came to 276.78 amps, comfortably inside 400, which is why no upgrade was ever in question.
The question a big house has to answer twice
Both jobs here turn on the same decision, taken five weeks apart: what has to keep working, and what can wait. On the generator it produced thirty circuits instead of eight thousand square feet. On the charger the same logic points the other way round – a car charger is the largest single load most homes ever add and among the easiest to do without for a few days, which is exactly why it is the wrong load to size a generator around. A house that tries to charge a car through an outage buys a machine twice the size it needs and runs it at a fraction of its capacity for years to be ready for the occasion. Answered honestly, on 400 amps and eight thousand square feet, the list of things that genuinely cannot stop is still shorter than the house is.
Why John chose Green Sun Energy Services
Professional home EV charging made simple, from electrical design through final inspection.
Complete backup power, from sizing and installation to the service that keeps it ready.
What makes Green Sun Energy Services different
- EV charging: installed with certifications from Qmerit, ChargePoint, Enphase, SolarEdge and Tesla, by a licensed electrician and fully managed by our team. On this home: a Customer Supplied ChargePoint CPH50-NEMA6-50-L23 EV charger on a 60-amp circuit.
- Standby generators: installed and serviced as a Generac Authorized Sales and Service Dealer, by factory-authorized Generac technicians. On this home: a Generac 7290 standby generator (26 kW LP / 22.5 kW NG) running on natural gas, on a 200-amp transfer switch (essential circuits/nema-3r) and serviced by Green Sun Energy Services.
- Warranty: backed by a 5-year generator workmanship warranty.
- Local: locally owned and operated in New Jersey since 2010, NJHIC licensed (#13VH06229000), with 35 completed EV charger projects and 441 completed standby generator projects across Monmouth County and 91 EV charger projects and 618 standby generator projects throughout New Jersey.
Our work in Colts Neck
Green Sun Energy Services has completed 1 EV charger installation, 16 standby generator installations and 26 generator service customers in Colts Neck. Colts Neck, a township in Monmouth County, is served by JCP&L.
Thinking about a standby generator, an EV charger, or both for your Colts Neck home? Tell us about your project here or call 732-410-7818.
Power it. Protect it. Maintain it.
Project Facts
- Location
- Colts Neck, NJ
- Services
- EV Charger Installation, Standby Generator Installation, Standby Generator Service
- Client since
- October 2024
Standby generator
- Manufacturer & model
- Generac 7290
- Rated output
- 26 kW LP / 22.5 kW NG
- Fuel
- Natural Gas
- Home sized for
- 8,037 sq ft
- Electrical service
- 400 amp
- Transfer switch
- 200 amp
- Load management
- Essential Circuits/NEMA-3R
- Workmanship warranty
- 5 years
EV charger
- Manufacturer & model
- Customer Supplied ChargePoint CPH50-NEMA6-50-L23
- Charging port
- CCS (J1772)
- Circuit breaker
- 60 amp
- Charging stations
- 1
- Estimated range added per hour
- 36 mi / 58 km
Questions from Colts Neck homeowners
EV chargingDo I need a permit for a home EV charger in Colts Neck, NJ?
A new hardwired charger or new branch circuit generally requires electrical permitting and inspection under New Jersey's Uniform Construction Code. A cord-and-plug charger using an existing compatible receptacle may be treated differently, so the local electrical subcode official should be consulted for the specific installation.
EV chargingWhat is the difference between a NEMA 6-50 and a NEMA 14-50?
Both are used for 240-volt EV charging, but they are wired differently: a 14-50 includes a neutral conductor and a 6-50 normally does not. Most charging equipment uses two hot conductors and an equipment ground and has no need of the neutral. The equipment's own instructions decide which is correct.
Standby generatorWhich way should the generator face?
Orientation has to comply with the installation instructions and must not create an unsafe exhaust or carbon-monoxide condition. Windows, doors, soffit openings, intake vents, window wells and mechanical fresh-air intakes all bear on it. Which way the machine faces is part of the site design, not an aesthetic choice made at the end.
Standby generatorWhat happens if we add a heat pump, a pool or an EV charger later?
Any major new electrical load should prompt a review of the generator's capacity. A machine sized correctly at installation may no longer be adequate once substantial loads are added. Load management can often accommodate the new equipment without replacing the generator.
Standby generatorShould gas pressure be checked while the generator is running?
Yes. Operating pressure means more than a static reading taken with the generator off. The fuel system has to hold adequate pressure while the generator runs and other appliances may also be drawing gas. That matters most when an existing residential service is being reused.