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
Solar kW · 2025
245,711
solar kilowatts installed
Storage kWh · 2025
2,990
storage kilowatt-hours installed
Primary Service
Developer
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 → |
Prior
Prior
Lists 2012 – 2025
Lists 2012 – 2025
2025
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 |
2024
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 |
2023
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 |
2022
110,992
2021 Installation Data
View 2021 Installation Data by State
| Illinois | 43,414 |
| Massachusetts | 36,858 |
| New York | 30,719 |
2021
127,509
2020 Installation Data
View 2020 Installation Data by State
| New York | 84,832 |
| Massachusetts | 36,505 |
| Illinois | 5,180 |
| Rhode Island | 991 |
2020
94,195
2019 Installation Data
View 2019 Installation Data by State
| New York | 45,719 |
| Massachusetts | 43,428 |
| Maryland | 2,653 |
| Georgia | 2,394 |
2019
8
2018 Installation Data
View 2018 Installation Data by State
| Massachusetts | 6,615 |
| Rhode Island | 1,989 |
2018
33
2017 Installation Data
2017
47
2016 Installation Data
2016
7
2015 Installation Data
2015
22
2014 Installation Data
2014
18
2013 Installation Data