161 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Herndon: EDGE Energy, CR Score 90/100; 4.9★ from 87 Google reviews; open 24/7.
Best for emergencies (open 24/7): GreenBrilliance, posts 24/7 hours; ranked #2 of 161.
Most-reviewed: American Home Contractors, 3,700 Google reviews at 4.9★, the most of 161 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
161 Herndon solar installers are ranked here by CR Score, from 8 published factors. 27 are open 24/7, 98 open Saturdays and 51 open Sundays, based on posted hours. The median Google rating is 4.9★ across 161 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | EDGE Energy | 90 | 4.9★ (87) | Reston, 2 mi away | 24/7 | Overall |
| 2 | GreenBrilliance | 88 | 4.4★ (371) | Herndon | 24/7 | Emergencies |
| 3 | American Home Contractors | 88 | 4.9★ (2,385) | Chantilly, 6 mi away | 24/7 | — |
| 4 | Uprise Solar and Roofing | 87 | 5.0★ (65) | Washington, D.C., 20 mi away | 24/7 | — |
| 5 | Maryland Community Solar | 85 | 5.0★ (95) | Columbia, 32 mi away | 24/7 | — |
| 6 | American Home Contractors | 85 | 4.9★ (3,700) | Washington, D.C., 28 mi away | 24/7 | Most reviews |
| 7 | EDGE Energy | 85 | 4.8★ (56) | Washington, D.C., 22 mi away | 24/7 | — |
| 8 | Benfield Electric Co. of Virginia | 84 | 4.9★ (730) | Manassas, 17 mi away | 24/7 | — |
| 9 | Solar Garage Door Repair Installation | 83 | 4.9★ (40) | Chantilly, 7 mi away | 24/7 | — |
| 10 | Revolution Solar | 83 | 4.9★ (530) | Washington, D.C., 19 mi away | Sat · Evenings | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and availability: 4.9★ from 87 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Herndon
Ranked #2 because of its Google rating and availability: 4.4★ from 371 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chantilly, 6 mi away
Ranked #3 because of its Google rating and availability: 4.9★ from 2,385 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Washington, D.C., 20 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 65 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 32 mi away
Ranked #5 because of its Google rating and availability: 5.0★ from 95 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Washington, D.C., 28 mi away
Ranked #6 because of its Google rating and review volume: 4.9★ from 3,700 Google reviews, the most Google reviews on this list (3,700).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Washington, D.C., 22 mi away
Ranked #7 because of its Google rating and availability: 4.8★ from 56 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Manassas, 17 mi away
Ranked #8 because of its Google rating and availability: 4.9★ from 730 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chantilly, 7 mi away
Ranked #9 because of its Google rating and availability: 4.9★ from 40 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Washington, D.C., 19 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 530 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Washington, D.C., 21 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 94 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Gaithersburg, 18 mi away
Ranked #12 because of its Google rating and availability: 4.9★ from 401 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rockville, 14 mi away
Ranked #13 because of its Google rating and availability: 5.0★ from 5 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Elkridge, 36 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 153 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Reston, 2 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 66 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fairfax, 9 mi away
Ranked #16 because of its Google rating and availability: 5.0★ from 264 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lorton, 19 mi away
Ranked #17 because of its Google rating and availability: 4.9★ from 140 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 32 mi away
Ranked #18 because of its Google rating and availability: 4.8★ from 9 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Washington, D.C., 21 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 78 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ashburn, 10 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 9 Google reviews, listed on Google as “Solar energy company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Washington, D.C., 21 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 108 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Beltsville, 27 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 231 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mount Vernon, 24 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Arlington, 20 mi away
Ranked #24 because of its Google rating and availability: 5.0★ from 57 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Reston, 3 mi away
Ranked #25 because of its Google rating and availability: 4.9★ from 99 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
#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 161 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Solar Sclera | 80 | 5.0★ (16) | 24 mi |
| 27 | Falcon Roofing & Solar | 80 | 4.9★ (278) | 10 mi |
| 28 | Kane Solar, LLC | 80 | 5.0★ (22) | 28 mi |
| 29 | Solar150 | 79 | 5.0★ (12) | 14 mi |
| 30 | Solar Energy World | 79 | 4.6★ (839) | 28 mi |
| 31 | Glim Solar LLC | 79 | 4.8★ (58) | 16 mi |
| 32 | District Energy LLC | 79 | 5.0★ (55) | 21 mi |
| 33 | Solenergi | 79 | 5.0★ (7) | 19 mi |
| 34 | Solar Nosh | 79 | 5.0★ (3) | 32 mi |
| 35 | Circa Energy | 79 | 5.0★ (6) | 18 mi |
| 36 | Celestial Solar Innovations | 79 | 5.0★ (184) | 38 mi |
| 37 | SUNRIZE Solar & Roofing D.M.V. | 79 | 4.7★ (13) | 24 mi |
| 38 | Washington Solar | 79 | 4.6★ (5) | 16 mi |
| 39 | EcoSun Wash | 79 | 5.0★ (18) | 32 mi |
| 40 | EastWest Solar | 79 | 4.9★ (43) | 31 mi |
| 41 | Solar Solutions For All LLC | 79 | 4.3★ (11) | 14 mi |
| 42 | RAW Power Washing | 78 | 5.0★ (96) | 34 mi |
| 43 | Consider Solar, LLC | 78 | 5.0★ (4) | 18 mi |
| 44 | M-TEC Solutions (Solar Rise Energy) | 78 | 4.8★ (26) | 14 mi |
| 45 | Nova Solar, Inc. | 78 | 5.0★ (133) | 13 mi |
| 46 | Solar Solution DC | 78 | 4.8★ (510) | 19 mi |
| 47 | American Solar Enterprises LLC | 78 | 4.9★ (63) | 4 mi |
| 48 | Thriving Solar Solutions | 78 | 5.0★ (8) | 2 mi |
| 49 | On Call Contracting Group | 78 | 5.0★ (8) | 8 mi |
| 50 | SunRayzor | 78 | 4.8★ (12) | 30 mi |
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.
| Business | Google rating | Distance |
|---|---|---|
| 410 New Roof | 5.0★ (2) | 27 mi |
| American Solar Repair | 1.0★ (1) | 14 mi |
| Decarbonize Building Systems | 5.0★ (2) | 14 mi |
| Enerone Group | In Herndon | |
| Illumine Solar | 5.0★ (2) | 14 mi |
| Lightility | 5.0★ (1) | 14 mi |
| New Columbia Solar | 5.0★ (2) | 21 mi |
| Power-On | 5.0★ (2) | 30 mi |
| Raynora Solar | 5.0★ (1) | In Herndon |
| Revolution Solar at Capitol Heights | 5.0★ (2) | 26 mi |
| RIFE International, LLC | 5.0★ (1) | 16 mi |
| RNR Energy Solutions | 5.0★ (2) | 13 mi |
| SEDC Solar | 1.0★ (1) | 18 mi |
| Simply Remodel Group | 5.0★ (1) | 7 mi |
| Smiling Sun Solar | 5.0★ (1) | 9 mi |
| Solari Solar Power | 5.0★ (2) | 14 mi |
| Solaria Solar | 5.0★ (2) | 22 mi |
| SunRun Solar | 5.0★ (1) | 17 mi |
| Washingtonfreesolae | 3.0★ (2) | 19 mi |
| Wisconsin Solar Power | 3.0★ (2) | 20 mi |
Typical prices in USD, adjusted for Virginia with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Solar panel installation | $27,400 | $30,990 | $33,710 | 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) | October 2026 |
We scored 161 Herndon 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.
| Factor | Weight | Computed from | In Herndon data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |