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Best Solar Installers in Great Falls, VA (2026)

186 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Great Falls: EDGE Energy, CR Score 89/100; 4.9★ from 87 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Uprise Solar and Roofing, posts 24/7 hours; ranked #2 of 186.

  3. 6

    Most-reviewed: American Home Contractors, 3,700 Google reviews at 4.9★, the most of 186 ranked; ranked #6.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

186 Great Falls solar installers are ranked here by CR Score, from 8 published factors. 31 are open 24/7, 109 open Saturdays and 56 open Sundays, based on posted hours. The median Google rating is 4.9★ across 186 rated businesses.

Top 10 solar installers in Great Falls at a glance

Top 10 solar installers in Great Falls at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1EDGE Energy894.9★ (87)Reston, 5 mi away24/7Overall
2Uprise Solar and Roofing875.0★ (65)Washington, D.C., 15 mi away24/7Emergencies
3American Home Contractors874.9★ (2,385)Chantilly, 11 mi away24/7—
4GreenBrilliance874.4★ (371)Herndon, 7 mi away24/7—
5Maryland Community Solar865.0★ (95)Columbia, 26 mi away24/7—
6American Home Contractors864.9★ (3,700)Washington, D.C., 23 mi away24/7Most reviews
7EDGE Energy864.8★ (56)Washington, D.C., 17 mi away24/7—
8Revolution Solar844.9★ (530)Washington, D.C., 15 mi awaySat · Evenings—
9City Renewables844.9★ (94)Washington, D.C., 17 mi awaySat · Sun · Evenings—
10Shanco Roofing844.9★ (401)Gaithersburg, 14 mi away24/7—

The 186 best solar installers in Great Falls, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Ranked #1 in Great Falls

    #1 EDGE Energy

    Based in Reston, 5 mi away

    89/100CR Score

    Ranked #1 because of its Google rating and availability: 4.9★ from 87 Google reviews, open 24/7.

    • 4.9★ from 87 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    12020 Sunrise Valley Dr #100, Reston, VA 20191
    View profile for EDGE Energy(571) 462-2218

  4. #4 GreenBrilliance

    Based in Herndon, 7 mi away

    87/100CR Score

    Ranked #4 because of its Google rating and availability: 4.4★ from 371 Google reviews, open 24/7.

    • 4.4★ from 371 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    13655 Dulles Technology Dr Suite 130, Herndon, VA 20171
    View profile for GreenBrilliance(703) 657-0090

  7. #7 EDGE Energy

    Based in Washington, D.C., 17 mi away

    86/100CR Score

    Ranked #7 because of its Google rating and availability: 4.8★ from 56 Google reviews, open 24/7.

    • 4.8★ from 56 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    100 M St SE #600, Washington, DC 20003
    View profile for EDGE Energy(771) 444-7782

  8. #8 Revolution Solar

    Based in Washington, D.C., 15 mi away

    84/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.9★ from 530 Google reviews, listed on Google as “Solar energy company”.

    • 4.9★ from 530 Google reviews
    Hours
    Mon–Sat 7 AM–8 PM · Sun closed
    Address
    1328 Florida Ave NW, Washington, DC 20009
    View profile for Revolution Solar(202) 827-6527

  9. #9 City Renewables

    Based in Washington, D.C., 17 mi away

    84/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.9★ from 94 Google reviews, listed on Google as “Solar energy company”.

    • 4.9★ from 94 Google reviews
    Hours
    Mon–Sat 8 AM–7 PM · Sun 8 AM–8 PM
    Address
    1255 Union St NE 7th Floor, Washington, DC 20002
    View profile for City Renewables(571) 378-3986

  10. #10 Shanco Roofing

    Based in Gaithersburg, 14 mi away

    84/100CR Score

    Ranked #10 because of its Google rating and availability: 4.9★ from 401 Google reviews, open 24/7.

    • 4.9★ from 401 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7404 Lindbergh Dr suite g, Gaithersburg, MD 20879
    View profile for Shanco Roofing(301) 208-0848

  13. #13 PanelesSolaresenUSA.com

    Based in Elkridge, 30 mi away

    83/100CR Score

    Ranked #13 because of its Google rating and trade focus: 5.0★ from 153 Google reviews, listed on Google as “Solar energy company”.

    • 5.0★ from 153 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun 8 AM–4 PM
    Address
    7530 Washington Blvd Suite G, Elkridge, MD 21075
    View profile for PanelesSolaresenUSA.com(800) 804-7037

  15. #15 Sky NRG Solar Inc.

    Based in Reston, 5 mi away

    81/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.9★ from 66 Google reviews, listed on Google as “Solar energy company”.

    • 4.9★ from 66 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 9 AM–2 PM · Sun closed
    Address
    12020 Sunrise Valley Dr #100, Reston, VA 20191
    View profile for Sky NRG Solar Inc.(703) 935-2350

  16. #16 EcoGen America

    Based in Columbia, 27 mi away

    81/100CR Score

    Ranked #16 because of its Google rating and availability: 4.8★ from 9 Google reviews, open 24/7.

    • 4.8★ from 9 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10630 Little Patuxent Pkwy Ste. 214, Columbia, MD 21044
    View profile for EcoGen America(888) 294-5764

  18. #18 Shanco Roofing

    Based in Lorton, 19 mi away

    81/100CR Score

    Ranked #18 because of its Google rating and availability: 4.9★ from 140 Google reviews, open 24/7.

    • 4.9★ from 140 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8350 Terminal Rd Suite A, Lorton, VA 22079
    View profile for Shanco Roofing(703) 879-7401

  19. #19 Uprise Solar

    Based in Washington, D.C., 17 mi away

    81/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 78 Google reviews, listed on Google as “Solar energy company”.

    • 5.0★ from 78 Google reviews
    Hours
    Mon–Fri 7 AM–7 PM · Sat 9 AM–11:30 AM · Sun closed
    Address
    1140 3rd St NE, Washington, DC 20002
    View profile for Uprise Solar(202) 750-5718

  20. #20 EDGE Energy

    Based in Beltsville, 22 mi away

    81/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.8★ from 231 Google reviews, listed on Google as “Solar energy company”.

    • 4.8★ from 231 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6854 Distribution Dr, Beltsville, MD 20705
    View profile for EDGE Energy(301) 321-7868

  21. #21 Solar Sclera

    Based in Washington, D.C., 19 mi away

    81/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Solar energy system service”.

    • 5.0★ from 16 Google reviews
    Hours
    Mon–Sun 7 AM–7 PM
    Address
    6500 Queens Chapel Rd, University Park, MD 20782
    View profile for Solar Sclera(240) 891-2115

  22. #22 Sustainable You LLC

    Based in Washington, D.C., 17 mi away

    81/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.9★ from 108 Google reviews, listed on Google as “Solar energy company”.

    • 4.9★ from 108 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat 8 AM–2 PM · Sun closed
    Address
    1255 Union St NE 7th Floor, Office #8, Washington, DC 20002
    View profile for Sustainable You LLC(202) 902-7572

  23. #23 Kane Solar, LLC

    Based in Goddard, 23 mi away

    80/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Solar energy company”.

    • 5.0★ from 22 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun 9 AM–5 PM
    Address
    8500 Ardwick Ardmore Rd, North Englewood, MD 20785
    View profile for Kane Solar, LLC(240) 230-6054

  24. #24 SunGaze Solar, L.L.C.

    Based in Mount Vernon, 21 mi away

    80/100CR Score

    Ranked #24 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Solar energy company”.

    • 5.0★ from 17 Google reviews
    Hours
    Mon–Sun 8 AM–8 PM
    Address
    137 National Plaza Ste 300 - #1, Forest Heights, MD 20745
    View profile for SunGaze Solar, L.L.C.(844) 786-4293

  25. #25 Cosmo Solaris

    Based in Baltimore, 37 mi away

    80/100CR Score

    Ranked #25 because of its Google rating and availability: 4.5★ from 27 Google reviews, open 24/7.

    • 4.5★ from 27 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6340 Security Blvd, Baltimore, MD 21207
    View profile for Cosmo Solaris(667) 400-5797

Solar installers ranked #26 to #50

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 186 ranked solar installers here; the rest are on their profiles.

solar installers in Great Falls, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Insured Roofs - Arlington Branch805.0★ (57)16 mi
27Lumina Solar804.9★ (763)37 mi
28Solar Energy World804.6★ (839)22 mi
29Falcon Roofing & Solar804.9★ (278)9 mi
30Glim Solar LLC804.8★ (58)12 mi
31District Energy LLC805.0★ (55)16 mi
32Solenergi805.0★ (7)15 mi
33Solar-Verse805.0★ (271)36 mi
34Key Solar Solutions804.9★ (109)40 mi
35Circa Energy805.0★ (6)14 mi
36Celestial Solar Innovations805.0★ (184)33 mi
37Solar150805.0★ (12)14 mi
38EastWest Solar804.9★ (43)25 mi
39ElevationBuild794.9★ (99)5 mi
40Washington Solar794.6★ (5)11 mi
41EcoSun Wash795.0★ (18)27 mi
42RAW Power Washing795.0★ (96)29 mi
43SUNRIZE Solar & Roofing D.M.V.794.7★ (13)21 mi
44Solar Nosh795.0★ (3)31 mi
45Gotsolar4you794.9★ (9)16 mi
46Solar Solution DC794.8★ (510)14 mi
47SunRayzor794.8★ (12)25 mi
48ROI Construction784.9★ (311)23 mi
49Sunrun Solar784.0★ (495)22 mi
50Nova Solar, Inc.785.0★ (133)11 mi

Also serving Great Falls

20 more solar installers within 40 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked solar installers serving Great Falls
BusinessGoogle ratingDistance
410 New Roof5.0★ (2)23 mi
Decarbonize Building Systems5.0★ (2)14 mi
Illumine Solar5.0★ (2)13 mi
Lightility5.0★ (1)9 mi
Montgomery Parks Solar Field1.0★ (1)11 mi
New Columbia Solar5.0★ (2)17 mi
Power-On5.0★ (2)25 mi
Raynora Solar5.0★ (1)5 mi
Revolution Solar at Capitol Heights5.0★ (2)22 mi
RIFE International, LLC5.0★ (1)10 mi
RNR Energy Solutions5.0★ (2)16 mi
Simply Remodel Group5.0★ (1)In Great Falls
Smiling Sun Solar5.0★ (1)6 mi
Solar photovoltaic power plant3.0★ (2)18 mi
Solari Solar Power5.0★ (2)19 mi
Solaria Solar5.0★ (2)18 mi
SunRun Solar5.0★ (1)12 mi
TerraForm Power5.0★ (1)10 mi
Washingtonfreesolae3.0★ (2)15 mi
Wisconsin Solar Power3.0★ (2)16 mi

How much do solar installers cost in Great Falls?

Typical prices in USD, adjusted for Virginia with a published regional index. Each row names its basis and month.

How much do solar installers cost in Great Falls?
JobLowTypicalHighBasisChecked
Solar panel installation$27,400$30,990$33,710Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 1.00 South Atlantic factor (2025 Cost vs. Value Report)October 2026

How we ranked Great Falls solar installers

We scored 186 Great Falls solar installers on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Great Falls data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

Solar installers in Great Falls: frequently asked questions

Who is the best solar installer in Great Falls?

By CR Score, the highest-ranked solar installer in Great Falls, VA is EDGE Energy with a CR Score of 89/100. It has 4.9★ from 87 Google reviews. It is open 24/7. Uprise Solar and Roofing (#2) and American Home Contractors (#3) follow. We ranked 186 solar installers on 8 factors, last updated October 22, 2026.

How many solar installers are there in Great Falls?

ContractorsRanked ranks 186 solar installers serving Great Falls, VA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.

Which solar installers in Great Falls are open 24/7?

31 ranked solar installers in Great Falls post 24/7 hours. The highest-ranked are EDGE Energy (#1), Uprise Solar and Roofing (#2) and American Home Contractors (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which solar installers in Great Falls work on weekends?

109 of 186 ranked solar installers post Saturday hours and 56 post Sunday hours. The highest-ranked open Saturdays are EDGE Energy (#1), Uprise Solar and Roofing (#2) and American Home Contractors (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does solar panel installation cost in Great Falls?

Solar panel installation typically costs $27,400 to $33,710, with $30,990 typical (Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 1.00 South Atlantic factor (2025 Cost vs. Value Report)). The range is adjusted for Virginia. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Great Falls solar installers have?

The median Google rating among 186 rated solar installers in Great Falls is 4.9★, with a median of 24 reviews. American Home Contractors has the most, 3,700 reviews, and ranks #6. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank solar installers?

Each solar installer gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do solar installers outside Great Falls count in this ranking?

Yes, if they are within 40 mi of the Great Falls city center, our service radius for solar installers. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.

Update log for Great Falls

  1. October 2026: CR Scores recalculated for 186 solar installers serving Great Falls.

More solar installers and Great Falls pages

Other trades in Great Falls