Louis from Springfield, NJ has been a Green Sun Energy Services client since November of 2021. The generator was commissioned in April of 2022: a Generac Guardian rated 19.5 kW on natural gas, on a 200-amp service-entrance switch with three smart management modules. The load calculation came to 16 kW across the 2,700 square foot house, and the survey shows where it comes from – an electric dryer and a double electric oven alongside two sump pumps, two refrigerators and a dishwasher. Electric laundry and electric cooking together are what push a house of this size well past what its floor area suggests, and they are also the loads a management module can defer for a moment without anyone noticing. Annual maintenance, an extended parts-and-labor warranty and monitoring we manage all sit behind the machine.
Project Facts
- Location
- Springfield, NJ
- Services
- Standby Generator Installation, Standby Generator Service
- Client since
- November 2021
- Manufacturer
- Generac Model # 7043-2
- Rated output
- 22 kW LP / 19.5 kW NG
- Fuel
- Natural Gas
- Home sized for
- 2,700 sq ft
- Electrical service
- 200 amp
- Transfer switch
- 200 amp
- Load management
- Managed Whole House
Standby generator questions from Springfield homeowners
What gas pressure does a generator need?
It is model-specific and has to be read off the specification sheet rather than assumed. A current 22 kW model, for instance, specifies a minimum natural-gas pressure of 3.5 inches water column. Different models carry different requirements.
Why do outages last longer on some Springfield streets than others?
Mature tree cover over overhead lines is the usual reason. Limbs coming down in wind, snow or ice take the lines with them, so heavily treed streets tend to see both more frequent outages and longer restoration times than open ones. It is one of the honest arguments for standby power rather than a portable generator.
What does the kW number on a generator mean?
It is the maximum continuous output the machine is rated to produce under the manufacturer's specified conditions. A current 22 kW model, for example, is rated 22 kW on liquid propane and 21 kW on natural gas. That difference is exactly why the fuel and the model both matter when a generator is sized.