SunEnergy1

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.

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

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

• Utility-scale solar development
• Solar EPC services
• Operations and maintenance
• Commercial solar installation
• Renewable energy projects

Headquarters

HQ city

Mooresville

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel

Revenue model

1. 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.
2. EPC Services: Engineering, procurement, and construction services provided under turnkey structure for projects they develop as well as third-party owned assets
3. 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

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core 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

Named customers8 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Four partnerships are on record, tiered core and minor.

• Duke EnergycoreStrategic or Co-development PartnerDuke 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)minorStrategic or Co-development PartnerAEP's transmission system at a 230 kV substation is used for project interconnection of the Dixon Solar project in Jackson, Ohio.
• Southeastern Transmission & Distribution, LLCcoreTechnology or IntegrationAffiliate of SunEnergy1 that performs all interconnection work for projects. Enables integrated substation and transmission capabilities within the SunEnergy1 platform.
• American Solar Grazing AssociationminorStrategic or Co-development PartnerSunEnergy1 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

Direct 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

• Facebookfacebook.com/sunenergy1llc
• LinkedInlinkedin.com/company/sunenergy1
• Xx.com/sunenergy1

Revenue estimate

Valuation estimate

Number of profiles

Profiles13 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about SunEnergy1