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Nexamp

Nexamp

Boston, Massachusetts
Year Founded: 2007
nexamp.com
Total Kilowatts Installed Since Founded: 1,270,000
Number of Employees: 505

Rank: 35

Nexamp, the largest fully integrated distributed generation and community solar provider in the United States, offers end-to-end capabilities, including project development and acquisition, design, construction, operations, and customer management. We are focused on making energy more affordable and more accessible to meet rapidly rising demand from individuals and businesses. With more than 1 GW of renewable energy-generating assets currently in operation and several GW under development or in construction, we’re building a cleaner and more resilient future.

★ 2026 Top Solar Contractors
#35
Overall Rank · 2026 List
No. 35 Solar Contractor in the United States
Solar kW · 2025
245,711
solar kilowatts installed
Storage kWh · 2025
2,990
storage kilowatt-hours installed
Primary Service
Developer
Community
245,711
kW

2025 Solar Installations by State & Territory

State / Territory kW Installed 2025
Illinois 127,987 View state list →
New York 84,312 View state list →
Maine 15,642 View state list →
Virginia 6,935 View state list →
Maryland 5,164 View state list →
Massachusetts 4,147 View state list →
Minnesota 1,521 View state list →
← Back to 2026 Top Solar Contractors
Prior Prior
Lists
2012 – 2025
2025
Rank #31  ·  2025 List  ·  2024 Installation Data
CS · Developer
269,148
2024 Installation Data
View 2024 Installation Data by State
New York 147,653
Illinois 65,102
Maine 35,286
Rhode Island 9,373
Massachusetts 7,891
Minnesota 3,841
View 2025 contractor list →
2024
Rank #36  ·  2024 List  ·  2023 Installation Data
Community Solar · Developer · Storage: 8,650 kWh
225,408
2023 Installation Data
View 2023 Installation Data by State
Maine 113,008
New York 75,933
Massachusetts 21,753
Maryland 7,813
Minnesota 3,909
Illinois 2,991
View 2024 contractor list →
2023
Rank #42  ·  2023 List  ·  2022 Installation Data
Community Solar · Developer · Storage: 4,982 kWh
106,715
2022 Installation Data
View 2022 Installation Data by State
Maine 44,558
New York 30,137
Massachusetts 11,501
Illinois 11,358
Maryland 5,145
Minnesota 2,804
New Jersey 1,210
View 2023 contractor list →
2022
Rank #38  ·  2022 List  ·  2021 Installation Data
C&I · Developer · Storage: 35,889 kWh
110,992
2021 Installation Data
View 2021 Installation Data by State
Illinois 43,414
Massachusetts 36,858
New York 30,719
View 2022 contractor list →
2021
Rank #36  ·  2021 List  ·  2020 Installation Data
C&I · Developer · Storage: 132,309 kWh
127,509
2020 Installation Data
View 2020 Installation Data by State
New York 84,832
Massachusetts 36,505
Illinois 5,180
Rhode Island 991
View 2021 contractor list →
2020
Rank #31  ·  2020 List  ·  2019 Installation Data
Commercial · Developer · Storage: 44,094 kWh
94,195
2019 Installation Data
View 2019 Installation Data by State
New York 45,719
Massachusetts 43,428
Maryland 2,653
Georgia 2,394
View 2020 contractor list →
2019
Rank #109  ·  2019 List  ·  2018 Installation Data
Commercial · Developer
8
2018 Installation Data
View 2018 Installation Data by State
Massachusetts 6,615
Rhode Island 1,989
View 2019 contractor list →
2018
Rank #56  ·  2018 List  ·  2017 Installation Data
Commercial · Developer
33
2017 Installation Data
2017
Rank #56  ·  2017 List  ·  2016 Installation Data
Commercial · Developer
47
2016 Installation Data
2016
Rank #111  ·  2016 List  ·  2015 Installation Data
Commercial · Developer
7
2015 Installation Data
2015
Rank #49  ·  2015 List  ·  2014 Installation Data
Commercial · Developer
22
2014 Installation Data
2014
Rank #39  ·  2014 List  ·  2013 Installation Data
Installer
18
2013 Installation Data
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  • Home
  • Top Solar Contractors
  • Articles
    • Most Recent Posts
    • News
      • Latest News Items
      • SPW State News Hub
      • IRA/OBBBA coverage
      • Solar tariffs
      • U.S. manufacturing updates
    • Featured
      • Latest Feature Stories
      • Benchmarking U.S. Solar Manufacturing
      • SPW’s Rising Stars
      • Trends in Solar
      • The Solar Explorer
  • Policy
    • Latest policy headlines
    • IRA/OBBBA Coverage
    • Tariffs and Court Cases
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    • Utility
    • Storage
  • Products
    • 2026 Top Products application
    • Winners of SPW’s 2025 Top Products
    • Batteries and Storage
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    • Inverters
      • U.S. solar inverter manufacturers
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      • U.S. solar panel manufacturers
  • Resources
    • About SPW
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