Prometheus SolarSolar installer in Flagstaff, AZ
Prometheus Solar is a solar installer at 5660 E Penstock Ave Unit #3, Flagstaff, AZ 86004, ranked #4 of 11 solar installers in Flagstaff and rated 4.8 from 35 Google reviews. Open Monday to Friday.
Flagstaff, AZUpdated 0 paid placements in any rankingHow we rank
Key facts
| Address | 5660 E Penstock Ave Unit #3, Flagstaff, AZ 86004Get directions |
|---|---|
| Phone | (928) 527-1034 |
| Website | prometheussolar.com |
| Hours | Monday to Thursday: 8 AM – 5 PM; Friday: 8 AM – 12 PM |
| Google rating | 4.8 from 35 Google reviews |
Trades
Each trade shows the evidence we matched it on.
- Solarmain tradeGoogle main category
Service area
Serves Flagstaff and 4 towns within 40 miles: Sedona, West Sedona, Village of Oak Creek (Big Park) and Big Park.
Based in Flagstaff, AZView on map
Opening hours
| Day | Hours |
|---|---|
| Monday | 8 AM – 5 PM |
| Tuesday | 8 AM – 5 PM |
| Wednesday | 8 AM – 5 PM |
| Thursday | 8 AM – 5 PM |
| Friday | 8 AM – 12 PM |
| Saturday | Closed |
| Sunday | Closed |
- Open evenings — no
- Open Saturdays — no
- Open Sundays — no
Typical solar installation prices
| Job | Low | Typical | High |
|---|---|---|---|
| Solar panel installationPer system: about 12 kW at about $2.60 per watt, before incentives. US national range × 0.92 Mountain factor (2025 Cost vs. Value Report) | $25,190 | $28,490 | $30,990 |
Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.
Compare nearby solar installers
| Business | Rank | CR Score | Google rating | License verified | Saturday | Sunday | Distance away |
|---|---|---|---|---|---|---|---|
| Prometheus Solar (this business) | — | 78 | 4.8 (35) | — | No | No | |
| Northern Arizona Wind & Sun (dba) NAZ Solar Electric | #2 | 80 | 4.8 (670) | — | No | No | 1.8 mi |
| Rooftop Solar | #3 | 79 | 4.8 (54) | — | No | No | 5.0 mi |
Questions about Prometheus Solar
How is Prometheus Solar ranked in Flagstaff?
Prometheus Solar is ranked #4 of 11 solar installers in Flagstaff by CR Score, with 78 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity and profile completeness. No business can pay to change its rank.
What are Prometheus Solar’s hours?
Prometheus Solar is open Monday to Friday. Its listed hours are Monday to Thursday, 8 AM – 5 PM; Friday, 8 AM – 12 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.
What areas does Prometheus Solar serve?
Serves Flagstaff and 4 towns within 40 miles: Sedona, West Sedona, Village of Oak Creek (Big Park) and Big Park. The list is based on the business's location and the usual service radius for solar installation. Confirm your address is covered when you call.
What do Google reviews say about Prometheus Solar?
Prometheus Solar has a rating of 4.8 from 35 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.
How do I contact Prometheus Solar?
Call Prometheus Solar on (928) 527-1034. The business is at 5660 E Penstock Ave Unit #3, Flagstaff, AZ 86004. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.
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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.