Standby generator work makes up the largest part of our portfolio, and this page covers both halves of it: whole-home generators we installed from scratch, and machines other companies installed that customers later brought to us to look after. Sizes run from eight kilowatts on a dedicated essential-circuits switch up to twenty-two kilowatt units carrying an entire house through an outage.
What sets these projects apart is the load survey behind each one. Square footage alone does not size a generator — a well pump means no water at all when the power fails, a sump pump is the difference between a dry basement and a flooded one, and electric ovens or dryers draw several times what their gas equivalents do. The sizing on every install here was worked out from what that particular house actually has to run.
Many of these accounts also show years of annual generator service: oil and filters, plugs, battery, fuel plenum inspection and a load test that proves the transfer switch really hands over. Filter by town or year to browse the work. The standby generator services page covers sizing, installation and maintenance plans in detail.
Freehold, NJ
PowerBase Diamond Service Plan in Freehold, NJ | Generac 22 kW, Ten Years Covered
Client since January 2017
David from Freehold, NJ has been a Green Sun Energy Services client since January of 2017. His 22 kW Generac from the 6000 series was already on the property, and what he took from us was Diamond with a ten…
Princeton, NJ
Roof, Solar and Generator in Princeton, NJ | 17.02 kW Array and 26 kW Backup
Client since January 2025
Mohamad from Princeton, NJ has been a Green Sun Energy Services client since January of 2025, when he bought all three trades on a single day. The roof went first, a layer stripped and 6,100 square feet of Weathered Wood…
Farmingdale, NJ
Generac Generator Maintenance in Farmingdale, NJ | 16 kW Standby Unit, 7000 Series
Client since October 2018
Bob from Farmingdale, NJ has been a Green Sun Energy Services client since October of 2018. His 16 kW Generac from the 7000 series is on our maintenance schedule, which on this series means the annual service plus the firmware…
Hazlet, NJ
Generac 14 kW Generator Service in Hazlet, NJ | Maintained Since 2016
Client since December 2016
Ira from Hazlet, NJ has been a Green Sun Energy Services client since December of 2016. His 14 kW Generac comes from the 5000 series and was installed by another company, and he brought it to us for maintenance rather…
Farmingdale, NJ
Standby Generator Service in Farmingdale, NJ | 20 kW Whole-House Backup
Client since October 2017
Bob from Farmingdale, NJ has been a Green Sun Energy Services client since October of 2017. The 20 kW standby generator at the house was installed by another company in December of 2016, and Bob and Carolyn brought its servicing…
Berkeley Heights, NJ
Standby Generator Service in Berkeley Heights, NJ | Essential-Circuits Backup
Client since December 2016
Judi from Berkeley Heights, NJ has been a Green Sun Energy Services client since December of 2016. The 10 kW standby generator at the house was installed by another company in March of 2013, and Judi and Matthew brought its…
Rumson, NJ
Standby Generator Service in Rumson, NJ | 10 kW Backup, Serviced Since 2017
Client since March 2017
Meghan from Rumson, NJ has been a Green Sun Energy Services client since March of 2017. The 10 kW standby generator at the house was installed by another company in March of 2012, and five years later Meghan brought its…
Leonardo, NJ
PowerBase Platinum Service Plan in Leonardo, NJ | Generac 20 kW Standby Generator
Client since December 2016
Ronald from Leonardo, NJ has been a Green Sun Energy Services client since December of 2016. He and Christina put their 20 kW Generac on Platinum, the upper tier at the time, which pairs the annual service with extended parts…
FREEHOLD, NJ
Generac 17 kW Generator Service in Freehold, NJ | A 2014 Unit We Took On in 2016
Client since December 2016
Peter from Freehold, NJ has been a Green Sun Energy Services client since December of 2016. His 17 kW Generac from the 6200 series was installed by somebody else in September of 2014, and two years later he brought it…
Farmingdale, NJ
Generac 16 kW Standby Generator in Farmingdale, NJ | Electric Dryer, 200-Amp Switch
Client since December 2016
Dale from Farmingdale, NJ has been a Green Sun Energy Services client since December of 2016. He signed in early December and the generator was commissioned at the end of January, a 16 kW Generac in an aluminium enclosure on…
Old Bridge, NJ
PowerBase Gold Service Plan in Old Bridge, NJ | Generac 18 kW, Ten Years Covered
Client since July 2026
Bob from Old Bridge, NJ has been a Green Sun Energy Services client since July of 2026. The 18 kW Generac from the 7200 series was already at the house when he came to us, so what he bought was…
Middletown, NJ
Taking Over a Twelve-Year-Old Generator in Middletown
Client since July 2026
Green Sun Energy Services took over the servicing of a Generac standby generator at a home in Middletown, a client since July of 2026. The machine was installed by another company back in October of 2014 and had been running…
Atlantic Highlands, New Jersey
PowerBase Silver Service Plan in Atlantic Highlands, NJ | Generac 16 kW Standby Generator
Client since July 2026
Heidi from Atlantic Highlands, NJ has been a Green Sun Energy Services client since July of 2026. Her 16 kW Generac from the 7000 series came onto our PowerBase Silver plan this summer. Silver is the straightforward tier and the…
Middletown, NJ
PowerBase Platinum Service Plan in Middletown, NJ | Generac NEXTGEN 24 kW with Cellular Monitoring
Client since July 2026
Andy from Middletown, NJ has been a Green Sun Energy Services client since July of 2026. His generator is a NEXTGEN 24 kW Generac from the 7300 series, and it sits on our PowerBase Platinum plan. The 7300s report over…
Toms River, NJ
PowerBase Gold Service Plan in Toms River, NJ | Generac 24 kW, Ten Years Covered
Client since July 2026
Stephen from Toms River, NJ has been a Green Sun Energy Services client since July of 2026. His 24 kW Generac from the 7200 series was installed by another company in October of 2021, and this summer he moved it…
Tinton Falls, NJ
Generac Service Contract in Tinton Falls, NJ – Scheduled Standby Generator Maintenance
Client since December 2022
Glenn from Tinton Falls, NJ has been a Green Sun Energy Services client since December of 2022. His standby generator is covered by a Generac Service Contract, which means a trained technician visits on a schedule to test the unit,…
Middletown, NJ
Generac 20 kW Generator and Soft Washing in Middletown, NJ | Client Since 2020
Client since September 2020
Carroll from Middletown, NJ has been a Green Sun Energy Services client since September of 2020. The generator was signed that September and commissioned the following May, a 20 kW Generac on its own pad with a 200-amp service-rated transfer…
Middletown, NJ
Generator Service and Holiday Lighting in Middletown, NJ | Client Since 2020
Client since July 2020
Matt from Middletown, NJ has been a Green Sun Energy Services client since July of 2020. He and Maria started with a PowerBase Silver plan on their 20 kW Generac from the 5800 series, which puts the unit on a…
Farmingdale, NJ
Generac Generator Installation & Soft Washing in Farmingdale, NJ – A Client Since 2013
Client since August 2013
George & Donna from Farmingdale, NJ have been Green Sun Energy Services clients since August of 2013, and that October we installed their Generac standby generator. Twelve years later they called us again: in May of 2025 our seasonal services…
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