307 Electric LLC is a licensed WY electrical contractor serving residential and commercial customers in Casper.
- Fuel types
- Natural gas, Propane
- License
- License checked
- Services
- Generator Installation
- Service area
- Casper and Natrona County
Generator Installers in Casper, WY
Population 58,000 · 3 license-checked installers listed
Prefer to pick installers yourself? Check the box on any listing below to compare a few side by side or request quotes directly from the ones you choose.
Compare local installers
Showing 3 of 3 installers. Check the box on any installer below to compare a few side by side or request quotes directly from the ones you pick.
ARC Electric is a licensed, certified WY electrical contractor with 22 years of experience serving Casper and nearby communities.
- Years in business
- 22
- Fuel types
- Natural gas, Propane
- License
- License checked
- Services
- Generator Installation
- Service area
- Casper and Natrona County
Rocky Mountain Electric is a licensed WY electrical contractor established in 2008, specializing in custom homes, smart homes, remodels, and service repairs for the Casper area.
- Fuel types
- Natural gas, Propane
- License
- License checked
- Services
- Generator Installation, Generator Repair
- Service area
- Casper and Natrona County
How installers are listed here
The only requirement to appear on this page is a checked state electrical license, confirmed against the state licensing board as part of our approval process, that's why every listing above shows "License checked." Installers are listed alphabetically by default, not ranked by quality, and no installer pays for placement in that order. LumoWatt does not sell ranking. If paid placement is introduced, it will be clearly labeled and will not change the standard list order. Use the sort dropdown above to re-order the list yourself by years in business or how recently we checked a listing. See our editorial policy and listing standards & verification methodology for the full details.
Average cost in Casper
Whole-home standby generator installation in Casper typically costs $6,600-$14,200 all-in. See our full cost breakdown guide for what drives the price up or down, or use the generator sizing calculator for an estimate based on your own home.
This range is a LumoWatt estimate for Casper, not an independently published market study, based on the equipment and labor costs we typically see quoted in this area. Actual quotes vary by home size, generator capacity, and site conditions.
Permit & code requirements in Casper
City of Casper Building Inspections issues electrical wiring permits within city limits.
See the full Wyoming state permit overview.
Outage risk in Wyoming
Wyoming's outage risk is driven by severe winter blizzards, ice storms, and extreme high-wind events across the state's open plains and higher elevations, plus summer thunderstorm and wildfire-related risk; Gillette and the Powder River Basin see additional exposure to industrial-load grid stress, while Cheyenne and Casper share the broader Rocky Mountain-front pattern of sudden, fast-moving winter storms.
Related guides
Sources
- Wyoming state licensing authority — State of Wyoming, checked 2026-07-28
Frequently asked questions
- Do I need a permit to install a generator in Casper?
- City of Casper Building Inspections issues electrical wiring permits within city limits.
- How much does generator installation cost in Casper?
- Most whole-home standby installations in Casper run $6,600-$14,200 all-in, including the unit, labor, and permit fees. Get quotes from at least 2-3 license-checked local installers below for an accurate number for your home.
- How long does installation take in Casper?
- The installation itself typically takes 1-2 days once a permit is approved and equipment is on-site, that part doesn't vary much by location. The variable is permit review time: it depends on your local building department's current workload, not on the installer, and can range from about a week to well over a month. Ask your installer for a current estimate, or contact Casper's permitting office directly (see the permit section above) for the timeline you should actually expect.
Nearby cities
Page data last updated July 28, 2026. Who runs LumoWatt.