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ContractorsRanked

Best Solar Installers in New Castle, DE (2026)

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

The short answer

  1. 1

    Best overall in New Castle: G. Fedale Roofing and Siding, CR Score 88/100; 4.8★ from 718 Google reviews; open 24/7.

  2. 3

    Best for emergencies (open 24/7): Zenergy Solar, posts 24/7 hours; ranked #3 of 105.

  3. 20

    Most-reviewed: EMT Solar and Roofing, 1,289 Google reviews at 4.9★, the most of 105 ranked; ranked #20.

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

105 New Castle solar installers are ranked here by CR Score, from 8 published factors. 16 are open 24/7, 59 open Saturdays and 33 open Sundays, based on posted hours. The median Google rating is 4.8★ across 105 rated businesses.

Most of this list also appears on the Solar installers in Wilmington ranking. See Solar installers in Wilmington

Top 10 solar installers in New Castle at a glance

Top 10 solar installers in New Castle at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1G. Fedale Roofing and Siding884.8★ (718)New Castle24/7Overall
2SunLife Solar874.8★ (123)Wilmington, 5 mi awaySat · Sun · Evenings—
3Zenergy Solar865.0★ (61)Wilmington, 5 mi away24/7Emergencies
4Surf & Turf Roofing, Solar and Windows854.9★ (272)Bellmawr, 29 mi away24/7—
5Glenn Wassmer ~ HD Energy Solutions845.0★ (25)Williamstown, 31 mi away24/7—
6Finray Solar824.9★ (601)Ardmore, 30 mi awaySat—
7Arise Solar LLC824.7★ (17)Newark, 10 mi awaySat · Sun · Evenings—
8EcoGen America825.0★ (14)Ashland, 35 mi away24/7—
9Desol LLC812.6★ (5)North Star, 4 mi away24/7—
10Ramere's Solar Cleaning L.L.C815.0★ (72)Cinnaminson, 37 mi awaySat · Sun—

The 105 best solar installers in New Castle, 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.

  2. #2 SunLife Solar

    Based in Wilmington, 5 mi away

    87/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.8★ from 123 Google reviews, listed on Google as “Solar energy company”.

    • 4.8★ from 123 Google reviews
    Hours
    Mon–Sun 8 AM–10 PM
    Address
    3 Germay Dr Unit 4-1478, Wilmington, DE 19804
    View profile for SunLife Solar(833) 478-6669

  3. #3 Zenergy Solar

    Based in Wilmington, 5 mi away

    86/100CR Score

    Ranked #3 because of its Google rating and availability: 5.0★ from 61 Google reviews, open 24/7.

    • 5.0★ from 61 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    520 Robinson Ln, Wilmington, DE 19805
    View profile for Zenergy Solar(888) 765-2760

  6. #6 Finray Solar

    Based in Ardmore, 30 mi away

    82/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.9★ from 601 Google reviews, listed on Google as “Solar energy company”.

    • 4.9★ from 601 Google reviews
    Hours
    Mon–Fri 9:30 AM–5 PM · Sat 9:30 AM–1 PM · Sun closed
    Address
    29 Bala Ave, Bala Cynwyd, PA 19004
    View profile for Finray Solar(484) 434-8179

  7. #7 Arise Solar LLC

    Based in Newark, 10 mi away

    82/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.7★ from 17 Google reviews, listed on Google as “Solar energy company”.

    • 4.7★ from 17 Google reviews
    Hours
    Mon–Fri 7 AM–7 PM · Sat–Sun 7 AM–12 PM
    Address
    4 Donald Preston Dr, Newark, DE 19702
    View profile for Arise Solar LLC(302) 409-9407

  8. #8 EcoGen America

    Based in Ashland, 35 mi away

    82/100CR Score

    Ranked #8 because of its Google rating and availability: 5.0★ from 14 Google reviews, open 24/7.

    • 5.0★ from 14 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1101 Kings Hwy N #210, Cherry Hill Township, NJ 08034
    View profile for EcoGen America(888) 294-5764

  9. #9 Desol LLC

    Based in North Star, 4 mi away

    81/100CR Score

    Ranked #9 because of its Google rating and availability: 2.6★ from 5 Google reviews, open 24/7.

    • 2.6★ from 5 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Desol LLC(302) 533-8057

  11. #11 PosiGen Home Solar

    Based in Plymouth Meeting, 34 mi away

    81/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.8★ from 472 Google reviews, listed on Google as “Solar energy company”.

    • 4.8★ from 472 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat closed · Sun 8 AM–8 PM
    Address
    400 Davis Dr, Plymouth Meeting, PA 19462
    View profile for PosiGen Home Solar(866) 767-4436

  12. #12 New Earth Solar

    Based in Newark, 6 mi away

    81/100CR Score

    Ranked #12 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Solar energy company”.

    • 5.0★ from 25 Google reviews
    Hours
    Mon–Thu 8 AM–8 PM · Fri 8 AM–7 PM · Sat 9 AM–6 PM · Sun closed
    Address
    254 Chapman Rd 208 ste, Newark, DE 19702
    View profile for New Earth Solar(707) 675-2379

  15. #15 Pure Home Renewables

    Based in Bellmawr, 37 mi away

    81/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.9★ from 72 Google reviews, listed on Google as “Solar energy company”.

    • 4.9★ from 72 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat–Sun 10 AM–4 PM
    Address
    1120 NJ-73, Mt Laurel Township, NJ 08054
    View profile for Pure Home Renewables(856) 651-6989

  17. #17 Solar Energy World

    Based in Pennsauken, 35 mi away

    80/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.8★ from 485 Google reviews, listed on Google as “Solar energy company”.

    • 4.8★ from 485 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat 10 AM–3 PM · Sun closed
    Address
    7930 National Hwy #201, Pennsauken, NJ 08110
    View profile for Solar Energy World(866) 856-4580

  18. #18 JK Renewables

    Based in Bellmawr, 35 mi away

    80/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.7★ from 62 Google reviews, listed on Google as “Solar energy company”.

    • 4.7★ from 62 Google reviews
    Hours
    Mon–Sun 8 AM–8 PM
    Address
    800 Kings Hwy N suite-150, Cherry Hill Township, NJ 08034
    View profile for JK Renewables(888) 429-0105

  19. #19 Seapoint Solar Energy LLC

    Based in Runnemede, 30 mi away

    80/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.9★ from 105 Google reviews, listed on Google as “Solar energy company”.

    • 4.9★ from 105 Google reviews
    Hours
    Mon–Thu 8 AM–8 PM · Fri 8 AM–6 PM · Sat 10 AM–4 PM · Sun closed
    Address
    170 E 9th Ave, Runnemede, NJ 08078
    View profile for Seapoint Solar Energy LLC(856) 803-5029

  20. #20 EMT Solar and Roofing

    Based in Camden, 34 mi away

    80/100CR Score

    Ranked #20 because of its Google rating and review volume: 4.9★ from 1,289 Google reviews, the most Google reviews on this list (1,289).

    • 4.9★ from 1,289 Google reviews
    Hours
    Mon–Thu 8 AM–4:30 PM · Fri 8 AM–4 PM · Sat–Sun closed
    Address
    523 Hollywood Ave 3rd floor, Cherry Hill Township, NJ 08002
    View profile for EMT Solar and Roofing(866) 264-3065

  22. #22 Integrated Home Energy

    Based in West Chester, 25 mi away

    80/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.9★ from 92 Google reviews, listed on Google as “Solar energy company”.

    • 4.9★ from 92 Google reviews
    Hours
    Mon–Fri 8:30 AM–5 PM · Sat 9 AM–1 PM · Sun closed
    Address
    1444 Phoenixville Pike, West Chester, PA 19380
    View profile for Integrated Home Energy(610) 596-8588

  24. #24 PvGuys

    Based in Camden, 38 mi away

    79/100CR Score

    Ranked #24 because of its Google rating and availability: 5.0★ from 5 Google reviews, open 24/7.

    • 5.0★ from 5 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for PvGuys(856) 510-4428

How much do solar installers cost in New Castle?

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

How much do solar installers cost in New Castle?
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 New Castle solar installers

We scored 105 New Castle 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 New Castle 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 New Castle: frequently asked questions

Who is the best solar installer in New Castle?

By CR Score, the highest-ranked solar installer in New Castle, DE is G. Fedale Roofing and Siding with a CR Score of 88/100. It has 4.8★ from 718 Google reviews. It is open 24/7. SunLife Solar (#2) and Zenergy Solar (#3) follow. We ranked 105 solar installers on 8 factors, last updated October 22, 2026.

How many solar installers are there in New Castle?

ContractorsRanked ranks 105 solar installers serving New Castle, DE. 1 of them is based in New Castle; the rest serve it from nearby towns. Counts are as of October 2026.

Which solar installers in New Castle are open 24/7?

16 ranked solar installers in New Castle post 24/7 hours. The highest-ranked are G. Fedale Roofing and Siding (#1), Zenergy Solar (#3) and Surf & Turf Roofing, Solar and Windows (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which solar installers in New Castle work on weekends?

59 of 105 ranked solar installers post Saturday hours and 33 post Sunday hours. The highest-ranked open Saturdays are G. Fedale Roofing and Siding (#1), SunLife Solar (#2) and Zenergy Solar (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does solar panel installation cost in New Castle?

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 Delaware. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do New Castle solar installers have?

The median Google rating among 105 rated solar installers in New Castle is 4.8★, with a median of 28 reviews. EMT Solar and Roofing has the most, 1,289 reviews, and ranks #20. 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 New Castle count in this ranking?

Yes, if they are within 40 mi of the New Castle 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 New Castle

  1. October 2026: CR Scores recalculated for 105 solar installers serving New Castle.

More solar installers and New Castle pages

Other trades in New Castle