A standby generator connected to your home’s electrical panel and natural gas or propane supply starts automatically when the utility power fails, transfers the load within seconds, and shuts down on its own when utility power is restored. For Castle Rock homeowners who work from home, have medical equipment that requires power, or simply do not want to deal with the disruption and potential damage that comes with an extended outage, a properly installed standby generator is one of the most practical investments in home infrastructure. WireNut installs, services, and maintains generators in Castle Rock with the permits and inspections the work requires.

Generator installation requires a gas line connection, which is handled as part of the project. For homes that need a panel upgrade to properly integrate the generator transfer switch, our electrical panels service covers that scope. See the full Castle Rock electrical services page for everything we offer.

• Standby generator installation that connects automatically to the home’s electrical system and fuel supply for seamless backup power.
• Whole-home generator sizing to determine the right generator capacity for your Castle Rock home’s actual critical load requirements.
• Transfer switch installation, including automatic transfer switches that require no manual intervention during an outage.
• Generator maintenance and service for existing units, including annual oil changes, load testing, and performance checks.
• Portable generator connection via a properly installed interlock kit or manual transfer switch for Castle Rock homeowners with an existing portable unit.

Here are the generator projects our Castle Rock electricians handle most often.

What Size Generator Does My Castle Rock Home Need?

Generator sizing depends on what you want to power during an outage. A generator sized for critical loads only, such as the furnace, refrigerator, lights, and outlets, is smaller and less expensive than one designed to power the whole home including the AC and electric range. WireNut helps Castle Rock homeowners think through the actual load requirements and recommends the right generator size for the intended application rather than defaulting to the largest unit available. Oversizing wastes money on the generator and the fuel to run it.

How Long Does Generator Installation Take in Castle Rock?

A standard standby generator installation in Castle Rock typically takes one to two days for the electrical and transfer switch work after the generator pad and gas line are in place. The full project timeline from permit submission to inspection sign-off is typically two to three weeks depending on permit processing. WireNut manages the full timeline and keeps you informed throughout the process.