Generator Installation & Service in Charleston, SC

Living on the coast means living with hurricane season. A whole-home standby generator kicks in automatically within seconds of a power outage, keeping your air conditioning running in August heat, your sump pump working during flood-prone storms, and your refrigerator preserving hundreds of dollars in food. EmergenServe sizes every residential generator based on your home's actual electrical load, not a rough guess from a sales chart.

We've installed standby generators for families on Sullivan's Island preparing for hurricane season, homeowners in West Ashley tired of losing power during afternoon thunderstorms, and retirees on Daniel Island who depend on medical equipment that can't go offline. We handle everything from pulling the Charleston County permit and pouring the concrete pad to running the gas line coordination with your fuel provider and programming the automatic transfer switch.

Already own a portable generator? We install manual transfer switches and generator inlet boxes so you can safely backfeed your panel without the dangerous practice of running extension cords through windows or back-feeding through a dryer outlet.

Generator installation in Charleston is one of the smartest investments a Lowcountry homeowner can make. With hurricane season running from June through November and increasing summer storm intensity, extended power outages are a reality for many Charleston-area neighborhoods. Our Generac and Kohler certified installers properly size your standby generator based on a detailed load analysis of your home's specific electrical demands, never relying on a generic sizing chart. We account for central air conditioning systems, well pumps, medical equipment, sump pumps, and other critical loads that must stay online during an outage. Our licensed Charleston electricians also handle natural gas and propane fuel line coordination, concrete pad placement meeting local setback requirements, and automatic transfer switch programming so your generator starts within seconds of a power loss without any manual intervention. Homeowners across Sullivan's Island, Isle of Palms, and other barrier island communities particularly benefit from whole-home generator installation as these areas are often the last to have utility power restored after major storms.

Residential Generator Services:

• Whole-home standby generator installation (Generac, Kohler, Briggs & Stratton)
• Automatic transfer switch (ATS) installation and wiring
• Natural gas and propane fuel line coordination
• Generator sizing based on your home's actual load requirements
• Concrete pad preparation and unit placement
• Portable generator inlet box and interlock kit installation
• Manual transfer switch wiring for portable generators
• Generator maintenance plans including oil changes, battery checks, and load testing
• Warranty registration and manufacturer coordination
• Permit acquisition and Charleston County inspection scheduling

For businesses, a power outage isn't just an inconvenience. It's lost revenue, spoiled inventory, disrupted operations, and potential safety hazards. Healthcare facilities, data centers, restaurants, and manufacturing plants all require reliable backup power that meets NEC Article 700, 701, and 702 requirements for emergency, legally required, and optional standby systems.

EmergenServe designs and installs commercial generator systems from 20kW single-phase units for small offices to 2000kW diesel generators with paralleling switchgear for large industrial complexes. We've powered up medical offices in Mount Pleasant that needed life-safety backup within 10 seconds, installed diesel generators for cold storage warehouses in North Charleston, and wired automatic transfer switches for hotels on Folly Beach.

Every commercial installation includes load bank testing and commissioning to verify the generator picks up its rated load, the transfer switch sequences properly, and the system performs exactly as designed under real-world conditions. We also offer preventive maintenance contracts that keep your generator ready year-round.

Commercial Generator Services:

• Commercial standby generator installation (20kW–2000kW)
• Three-phase automatic transfer switch and bypass isolation
• Paralleling switchgear for multi-generator setups
• Emergency and legally required standby system design
• UPS integration with generator backup power
• Load bank testing and commissioning
• Fuel system coordination for diesel, natural gas, and bi-fuel
• Sound attenuation enclosure installation
• Remote monitoring and automatic exerciser programming
• Preventive maintenance contracts for commercial generators

Proper Load Sizing

We calculate your exact power needs so your generator isn't undersized or over-spec'd, saving you money upfront and on fuel.

Turnkey Installation

Permits, pad, electrical, gas coordination, programming, and inspection. We handle every detail start to finish.

Storm-Season Ready

We schedule installations before hurricane season so your home or business is protected when it matters most.

Ongoing Maintenance

Annual service plans include oil changes, battery testing, load bank runs, and firmware updates to keep your unit reliable.