The generator itself is only part of the cost. Installation — electrician labor, permits, the concrete pad, and gas line work if needed — often equals or exceeds the price of the unit, and it varies significantly depending on where you live.
Get your exact size and cost estimate with our free calculator →
Why Installation Cost Varies So Much
A handful of factors drive the difference between a $6,000 install and a $20,000 one, regardless of which generator you buy:
- Local labor rates. Licensed electrician rates vary widely by region — often $50–75/hour in lower cost-of-living areas, up to $100–150/hour in major metro areas and the Northeast/West Coast.
- Permit requirements. Some cities/counties require multiple permits (electrical, gas, building) with separate inspection fees; others bundle this into a single simpler process.
- Gas line work. If you're installing a natural gas standby unit and don't already have a line sized correctly to your intended location, running or upsizing that line can add several thousand dollars.
- Site prep. A generator needs a level concrete or composite pad, plus adequate clearance from windows, doors, and property lines per local code — more site work means more cost.
- Climate-driven demand. In hurricane-prone states (Florida, Louisiana, Texas Gulf Coast) and areas with frequent winter storm outages (the Northeast, parts of the Midwest), high seasonal demand for installers can push both price and wait times up, especially right before or after a major storm.
National Cost Ranges by Generator Size
| Generator size | Unit cost | Installed total (typical range) |
|---|---|---|
| 7–13 kW (essentials) | $2,000–$5,000 | $6,000–$11,000 |
| 14–22 kW (most of home) | $3,500–$6,200 | $10,000–$20,000 |
| 24kW+ (whole home) | $5,000–$16,000+ | $15,000–$25,000+ |
Rough Regional Patterns
While exact costs depend on your specific installer and local permitting, general regional patterns tend to hold:
- Higher installed costs: Northeast (NY, NJ, MA, CT), West Coast (CA, WA, OR), and South Florida — driven by higher labor rates and, in some areas, stricter permitting.
- Mid-range installed costs: Most of the Midwest, Mid-Atlantic, and Mountain West.
- Lower installed costs: Much of the South and rural areas generally, where labor rates are lower — though hurricane-season demand spikes can temporarily push prices up in Gulf Coast states regardless of normal regional averages.
We're actively building out exact state-by-state labor and permit data — check back as we expand this guide, or use the calculator above for a personalized estimate based on your home's size and needs.
What Affects Your Specific Quote
Beyond your state, these factors will shape the number you actually get quoted:
- Distance from your electrical panel to the planned generator location — longer wire runs cost more
- Whether you need a sub-panel or full panel upgrade to support the transfer switch
- Propane tank size and placement, if going the propane route instead of natural gas
- HOA or local aesthetic requirements (screening, setback distances) that can add fencing or landscaping cost
How to Get an Accurate Quote
- Get at least 3 quotes from licensed, insured electricians who specifically install standby generators (not just general electricians) — installation quality affects both safety and how long the unit lasts.
- Ask whether the quote includes permit fees and the concrete pad, or whether those are billed separately — this is the most common source of "surprise" cost overruns.
- If you're near a natural gas line already, confirm it's sized correctly for your generator's fuel demand before assuming natural gas is the cheaper option — undersized lines need upsizing, which adds cost.
- Use our calculator first so you're quoting installers for the right size — oversizing a system wastes money, undersizing leaves you without power when you need it most.
Want the full picture before you buy? See our generator vs. battery comparison or check out our picks for best home generators of 2026.