Standby Generator Installation

When the power goes out, a standby generator starts on its own. It is wired into the house and runs on natural gas or propane, so there is nothing to drag out of the garage and nothing to fill in the dark. Below are standby generators we have installed at homes across New Jersey. Each one shows the unit that went in, the transfer switch behind it and the town it is in, and where the homeowner left a review you will find that too. If you are trying to work out what size you need, this is a good place to start.

621 completed standby generator projects across 123 New Jersey towns, including 123 with a review written by the customer.

16 kW Generac standby generator in Middletown, NJ

Generac 16 kW Standby Generator in Middletown, NJ | 150-Amp Switch with Load Management

Nadine from Middletown, NJ has been a Green Sun Energy Services client since September of 2020. She signed in September and the generator was commissioned the following May, an eight month wait that had everything to do with that year and nothing to do with the job. It is a 16 kW Generac on its own pad with a 150-amp service-rated transfer switch and a management module for the largest load. A Generac service contract has covered it since. Middletown is in Monmouth County.

20 kW Generac standby generator in Belford, NJ

Standby Generator Installation in Belford, NJ | Reliable Backup Power Near the Bay

Michael from Belford, NJ has been a Green Sun Energy Services client since August of 2020, and we completed his Generac standby generator installation in May of 2021. Living close to the bay means coastal storms and nor’easters are a regular fact of life, and the generator starts on its own within seconds of losing utility power — keeping heat, lights, refrigeration and the sump pump running through the worst of it. A Green Sun service plan with scheduled maintenance keeps the unit tested and ready between storms. Homeowners across Monmouth County rely on Green Sun Energy Services for standby

20 kW Generac standby generator in Freehold, NJ

Generac 20 kW Standby Generator in Freehold, NJ | 200-Amp Switch, Two Management Modules

Chris from Freehold, NJ has been a Green Sun Energy Services client since October of 2020. He signed in early October and the generator was commissioned the following June, eight months, which was the shape of that year rather than anything unusual about the job. It is a 20 kW Generac on a pad with a 200-amp service-rated transfer switch and two management modules so the air conditioning and the other large draws do not collide. A Generac service contract has covered it since. Freehold is in Monmouth County.

22 kW Generac standby generator in Middletown, NJ

Generac 22 kW Standby Generator in Middletown, NJ | Surge Protection and Load Management

Doug from Middletown, NJ has been a Green Sun Energy Services client since August of 2025. He signed in late August and the generator was commissioned in early November, a 22 kW Generac on a composite pad behind a 200-amp service-rated transfer switch, with surge protection and two load management modules keeping the biggest draws from arriving at once. A Generac service contract covers the maintenance from here. Middletown is in Monmouth County, where we install more standby power than in any other town.

11 kW Generac standby generator in Scotch Plains, NJ

Generac 11 kW Standby Generator in Scotch Plains, NJ | Sixteen-Circuit Transfer Switch

Satish from Scotch Plains, NJ has been a Green Sun Energy Services client since April of 2018. He and Anita signed in late April and the generator was commissioned at the end of July, an 11 kW Generac on its own pad wired to a sixteen circuit transfer switch. That configuration covers the circuits that matter, the heat, the refrigerator and the outlets people actually use, rather than the whole panel. A Generac service contract has kept it maintained since. Scotch Plains is in Union County.

16 kW Generac standby generator in Middletown, NJ

Generac Standby Generator Installation in Middletown, NJ | Installed 2017, Serviced Ever Since

Lenora from Middletown, NJ has been a Green Sun Energy Services client since September of 2017. We installed her Generac standby generator that autumn, from signed contract in early September to a running unit by the third week of October, wired through an automatic transfer switch. A Generac service contract has kept it maintained in the years since, with technicians exercising the unit, checking the transfer switch and changing oil and filters on a set schedule. Middletown is in Monmouth County, and a generator installed here in 2017 has had plenty of storms to prove itself against.

18 kW Generac standby generator in Roosevelt, NJ

Generac 18 kW Standby Generator in Roosevelt, NJ | 2,619 Sq. Ft. Covered

Mark from Roosevelt, NJ has been a Green Sun Energy Services client since November of 2025. He signed in mid November and the generator was commissioned in the first week of January, an 18 kW Generac on a composite pad behind a 200-amp service-rated transfer switch, with surge protection and a load management module. It carries 2,619 square feet with two refrigerators, a freezer, a dishwasher and the laundry. Roosevelt is in Monmouth County, one of the smallest boroughs we work in.

36-panel 15.12 kW solar array in Lincroft, NJ

Standby Generator Installation and Solar Panel Installation in Lincroft, NJ | 15.12 kW Solar & 22 kW Generac

Barry and Deborah in Lincroft have been Green Sun Energy Services clients since November of 2023. They signed for the standby generator and the solar array on the same day; the generator was commissioned that December and the array the following March. 22 kW and 10,000 watts managed: This is a 2,500 square foot house with an electrical calculation of 26,944 watts, which is a great deal for the floor area. A double electric oven and 6,000 watts of air conditioning account for most of the difference. The machine is a Generac Guardian 22 kW, model 7042-2, delivering 19.5 kW

22 kW Generac standby generator in Lawrence Township, NJ

Solar, Generator and EV Charger in Lawrence Township, NJ | Three Projects, One Winter

Deborah from Lawrence Township, NJ has been a Green Sun Energy Services client since October of 2024. She and Charles bought all three trades on the same day, and all three were in by early January – the generator, then the charger the following morning, then the array. A 22 kW Generac on a managed whole-house switch: Commissioned on 18 December 2024. The calculation asked for a minimum of 17 kW under NEC Article 220 Part IV and a Generac rated 19.5 kW on natural gas went in – 22 kW on propane – behind a 200-amp managed whole-house transfer

14 kW Generac standby generator in Piscataway, NJ

Generator, Solar and Soft Washing in Piscataway

Francis from Piscataway, NJ has been a Green Sun Energy Services client since August of 2025, and took three trades inside twelve months. A 14 kW Generac on a 100-amp service: Running by 24 October 2025. The calculation asked for a minimum of 12 kW under NEC Article 220 Part IV and a 14 kW Generac went in on natural gas, on a composite pad, behind a 100-amp service-rated managed whole-house transfer switch with a load-management module and whole-house surge protection. Everything here is scaled to a compact house: 1,548 square feet, a refrigerator, a dishwasher, a washer and a

9 kW Generac standby generator in Middletown, NJ

Solar, Generator, Critter Guard and Soft Wash in Middletown, NJ | 10.88 kW and a 16-Circuit Backup

Wayne from Middletown, NJ has been a Green Sun Energy Services client since March of 2017, and the house has had four separate pieces of work since – two of them in the same spring. 34 panels and 10.88 kW: Spring of 2017: 34 LG 320-watt modules on a SolarEdge inverter with an optimizer on every panel, rail-free mounting, 10.88 kW rated and estimated at 13,819 kilowatt hours in the first year. The inverter is deliberately oversized against the array rather than matched to it, which costs a little at the outset and leaves the system room afterwards. The roof

18 kW Generac standby generator in Princeton Junction, NJ

Solar, Generator and Roofing in Princeton Junction, NJ | Panels Off and Back On in 2023

Gerald from Princeton Junction, NJ has been a Green Sun Energy Services client since November of 2017, and the house has taken three trades since – including, in 2023, the one nobody plans for. 31 panels and 8.99 kW: Live on 6 February 2018: 31 SolarWorld 290-watt modules on Enphase IQ6 microinverters, rail-free mounting, with the monitoring gateway indoors beside the service panel in the basement rather than out in the weather. The roof it went onto was judged sufficient at the time. An 18 kW Generac on a managed whole-house switch: May of 2022. The calculation asked for a

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