SunEnergy1
SunEnergy1 is a privately held, vertically integrated U.S. utility-scale solar developer founded in 2009, controlling project development, EPC, substation/transmission (via affiliate SE T&D), and O&M in-house. It serves corporate, institutional, and utility offtakers — anchored by Brookfield as repeat project acquirer — with a 14 GW pipeline and over 1 GW constructed.
- Company typePrivate
- Founded2009
- HeadquartersMooresville, United States
- Headcount251–500
- GTM typeB2B
- OfferingServices
What SunEnergy1 does
SunEnergy1 is a privately held, vertically integrated utility-scale solar developer founded in 2009, headquartered in Stamford, Connecticut with operational offices in Bethel, North Carolina (and listed as Mooresville in firmographics). The company controls the entire solar project lifecycle in-house — land acquisition, permitting, design, engineering, construction, and long-term operations and maintenance — and extends into substation and transmission work through its affiliate Southeastern Transmission & Distribution, LLC. Itself positioned as a Top 5 U.S. solar developer with over 1 GW of projects constructed, 1.5 GW operating or under construction, and a 14 GW development pipeline, SunEnergy1 builds and sells utility-scale solar assets to financial buyers (Brookfield as anchor acquirer at ~810 MW) and corporate offtakers while retaining EPC contracts and O&M annuities.
The company's product suite is organized around five capabilities: solar project development (origination through permitting and interconnection), full-service EPC using Tier 1 equipment, O&M with two-hour local response capability and proprietary dispatch algorithms, transmission and distribution services via the SE T&D affiliate, and solar grazing as a sustainability add-on. Technology is industrial rather than software-native — the company's intellectual property is concentrated in interconnection know-how, substation construction, and dispatch optimization — and is delivered through a 251–500 person organization with deep utility and construction experience.
SunEnergy1 monetizes through three streams: one-time project development and sale (selling shovel-ready assets to financial investors like Brookfield), professional services revenue from EPC contracts on both SunEnergy1-developed and third-party assets, and recurring managed-services revenue from long-term O&M contracts (14 sites including 3 third-party owned). Pricing is project-by-project through negotiated Power Purchase Agreements, with no public tiered pricing. Customers are predominantly large enterprises, utilities, and institutional partners on the East Coast of the United States, with Brookfield as the dominant repeat-acquirer relationship and Duke Energy, McDonald's, First Citizens Bank, Old Dominion Freightline, Biltmore Estate, Shoe Show, and Aquesta Bank as additional named commercial and corporate PPA counterparties.
SunEnergy1 firmographics
Firmographics- Name
- SunEnergy1
- Legal name
- SunEnergy1
- Website
- https://sunenergy1.com
- Company type
- Private
- Founded year
- 2009
- Operating status
- Operating
- Headcount range
- 251–500 employees
- Short description
- SunEnergy1 is a privately held, vertically integrated U.S. utility-scale solar developer founded in 2009, controlling project development, EPC, substation/transmission (via affiliate SE T&D), and O&M in-house. It serves corporate, institutional, and utility offtakers — anchored by Brookfield as repeat project acquirer — with a 14 GW pipeline and over 1 GW constructed.
- Ownership category
- akta.pro rank
SunEnergy1 industry classification
Industry- Product category
- Utility-Scale Solar Development and EPC
- NAICS
- Solar Electric Power Generation (221114), Electric Power Generation (22111), Electric Power Generation, Transmission and Distribution (2211)
- SIC
- Electric Services (4911)
- akta.pro primary industry
- Solar Project Development & IPP (Utility-Scale & Rooftop) (EUAMABAA)
- akta.pro secondary industries
- Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System) (EUAMABAB), Solar PV Power Plant EPC (Utility-Scale) (EUAEAAAG), Operations, Maintenance & Asset Management (O&M, Vegetation, Spares, SCADA) (EUACAGAH), Solar Balance-of-Plant EPC (Piles/Foundations, Trenching, Combiner Networks) (EUAEADAJ)
Keywords
Where SunEnergy1 is headquartered
LocationHeadquarters
- HQ city
- Mooresville
- HQ country
- United States
- HQ region
- North America
Offices2 records
Markets served
SunEnergy1 business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel
Revenue model
- Project Development and Sale: SunEnergy1 develops utility-scale solar projects and sells them to financial partners/investors like Brookfield. Revenue is generated through project sales, with the company retaining EPC contracts.
- EPC Services: Engineering, procurement, and construction services provided under turnkey structure for projects they develop as well as third-party owned assets
- Operations and Maintenance: Long-term O&M services for owned and third-party solar sites, including preventive maintenance, asset management, and market optimization
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Custom PPA-based project pricing |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels5 records
SunEnergy1 product offering
Product offeringCore offering
SunEnergy1 is a vertically integrated utility-scale solar developer that controls all stages of a solar project in-house, from land acquisition, permitting, design, and engineering through construction (EPC) to long-term operations and maintenance. The company has constructed over 1 GW of solar PV projects and maintains a 14 GW development pipeline, serving corporate, institutional, and utility partners primarily through Power Purchase Agreements (PPAs) across the U.S. East Coast.
Product overview
SunEnergy1 is a vertically integrated solar developer offering a comprehensive suite of services organized around its core development, EPC, and O&M capabilities. The company controls all stages of solar projects in-house—from land acquisition, permitting, and design through engineering, construction, and long-term operations and maintenance. A key differentiator is its SouthEastern T&D affiliate, which handles substation and transmission interconnection work, enabling seamless project delivery. The company also offers solar grazing as an environmentally friendly vegetation management add-on. SunEnergy1 primarily serves corporate, institutional, and utility partners with utility-scale solar installations.
Differentiator
Problem solved
Functional benefit
Products and services
- Solar Project Development SunEnergy1 develops utility-scale solar projects from origination through permitting, handling land acquisition, interconnection applications, and regulatory compliance. The company maintains a 14 GW development pipeline and serves corporate, institutional, and utility partners.
- Engineering, Procurement, and Construction (EPC) Full-service EPC capabilities for utility-scale solar installations, including in-house design, procurement of tier 1 equipment, construction management, and quality control. The company has constructed over 1,000 MW of solar PV projects for itself and third-party owners.
- Operations and Maintenance (O&M) Long-term O&M services for solar installations including preventive maintenance, local field operations within two-hour response time, warranty claim resolution, asset management, and market optimization using production modeling and proprietary dispatch algorithms.
- SouthEastern T&D (Transmission and Distribution) Substation and transmission services through affiliate Southeastern Transmission & Distribution, LLC, handling interconnection work, collector substation projects, and PJM/Dominion interconnect agreement processes.
Quantifiable outcome
- 14 GW pipeline one of the largest in the US
- +2 more outcomes
Companies that use SunEnergy1
Customer profileNamed customers8 records
Segments4 records
Ideal customer profiles4 records
SunEnergy1 technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
SunEnergy1 partnerships and signals
Strategic signalPartnerships
Four partnerships are on record, tiered core and minor.
- Duke EnergycoreDuke Energy is an offtake partner for SunEnergy1 projects, including the Whitepost I project (15 MW DC) in Beaufort, NC. Duke Energy purchases power generated from these solar installations.
- AEP (American Electric Power)minorAEP's transmission system at a 230 kV substation is used for project interconnection of the Dixon Solar project in Jackson, Ohio.
- Southeastern Transmission & Distribution, LLCcoreAffiliate of SunEnergy1 that performs all interconnection work for projects. Enables integrated substation and transmission capabilities within the SunEnergy1 platform.
- American Solar Grazing AssociationminorSunEnergy1 partners with the American Solar Grazing Association for solar grazing initiatives at their solar farms, reducing mowing needs and emissions while providing pasture for sheep.
Scale indicators9 records
Recent moves6 records
Expansion highlights5 records
SunEnergy1 competitors and assessment
Company assessmentDirect peers
- Avantus (formerly 8minute Solar Energy): Large U.S. utility-scale solar developer with a multi-GW pipeline, EPC capabilities, and long-term O&M, very directly comparable to SunEnergy1 in target customers and project structure.
- Invenergy: U.S.-headquartered independent developer of utility-scale renewable energy projects (solar, wind, storage) with in-house construction and asset management, competing for the same PPA and corporate offtake contracts as SunEnergy1.
- Origis Energy: U.S. utility-scale solar developer and operator (backed by CDPQ) with development, EPC, and asset management services, competing head-to-head with SunEnergy1 in utility and corporate PPAs.
- Lightsource bp: Global utility-scale solar developer and long-term asset owner that develops, finances, builds, and operates PV projects, mirroring SunEnergy1's vertically integrated developer-to-EPC-to-O&M model.
- Swift Current Energy: North American utility-scale solar developer and operator with a multi-GW pipeline, comparable to SunEnergy1 in project development, EPC, and long-term asset ownership.
- Cypress Creek Renewables: U.S.-focused utility-scale solar developer with a multi-GW development pipeline and integrated EPC/O&M offerings, overlapping directly with SunEnergy1's target markets and customer types.
Broad incumbents
- NextEra Energy Resources: Largest U.S. renewable energy developer and operator (subsidiary of NextEra Energy), with a vast solar and storage pipeline; competes for the same utility-scale PPAs but with much greater scale and balance sheet.
- ENGIE North America (Renewables): Utility-scale renewable developer and operator (subsidiary of ENGIE) developing solar and storage projects across the U.S., competing with SunEnergy1 for utility and corporate offtake.
- EDF Renewables North America: Subsidiary of EDF with a large North American utility-scale solar and storage development pipeline plus O&M arm; overlaps with SunEnergy1's customer base but operates as part of a much broader global portfolio.
- First Solar: Vertically integrated solar manufacturer and large-scale project developer; while module-manufacturing-led, First Solar develops and EPCs utility-scale PV projects in the U.S. using its own thin-film technology, competing for some of the same utility-scale opportunities.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights6 records
Customer concentration
SunEnergy1 social profiles
Digital presenceSunEnergy1 financial estimates
Financial estimateRevenue estimate
Valuation estimate
SunEnergy1 leadership team
Management profileNumber of profiles
Profiles13 records
SunEnergy1 subsidiaries and ownership
Company hierarchySubsidiaries1 record
SunEnergy1 funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
SunEnergy1 M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about SunEnergy1
What does SunEnergy1 do?
SunEnergy1 is a vertically integrated utility-scale solar developer that controls all stages of a solar project in-house, from land acquisition, permitting, design, and engineering through construction (EPC) to long-term operations and maintenance. The company has constructed over 1 GW of solar PV projects and maintains a 14 GW development pipeline, serving corporate, institutional, and utility partners primarily through Power Purchase Agreements (PPAs) across the U.S. East Coast.
Is SunEnergy1 a public or private company?
SunEnergy1 is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was SunEnergy1 founded?
SunEnergy1 was founded in 2009. It employs 251 to 500 people.
Where is SunEnergy1 based?
SunEnergy1 is headquartered in Mooresville, United States, in the North America region.
How does SunEnergy1 make money?
Three revenue lines are on record. Project Development and Sale is the primary driver. The others are EPC Services and operations and Maintenance.
Who are SunEnergy1's main competitors?
Direct peers on record are Avantus (formerly 8minute Solar Energy), Invenergy, Origis Energy, Lightsource bp, Swift Current Energy and Cypress Creek Renewables. Broad incumbents are NextEra Energy Resources, ENGIE North America (Renewables), EDF Renewables North America and First Solar.
Does SunEnergy1 have an API?
No public API is recorded for SunEnergy1.
What industry is SunEnergy1 in?
SunEnergy1's product category is Utility-Scale Solar Development and EPC. Its primary akta.pro industry code is EUAMABAA, Solar Project Development & IPP (Utility-Scale & Rooftop), with a secondary code of EUAMABAB, Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System). Its NAICS code is 221114 and its SIC code is 4911.