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Sunder Energy

Full company profile

uuid00037u6

Namestring
Sunder Energy
Legal namestring
Sunder Energy
Websiteurl
sunderenergy.com
Company typeenum
Private
Founded yearint
2018
Operating statusenum
Acquired
Ownership categoryenum
Headcount rangeband
251–500
akta.pro rankint
HeadquartersSandy, United States
HQ citystring
Sandy
HQ countrystring
United States
HQ regionstring
North America
Markets served

Serves global market

Keyword5 values
residential solar installation, solar panel systems, home energy solutions, residential solar sales, renewable energy
Industry1 code
1Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System)
CodeEUAMABABPrimaryYes
NAICS code1 code
  • Solar Electric Power Generation221114
SIC code1 code
  • Electric Services4911
Product category
Residential Solar Installation
No data
GTM motion1 record

Each record includes

Type, Description, Source

Revenue model1 record
1Solar Installation and Sales
TypeHardware Sales
Description

Sunder Energy generated revenue through residential solar panel installations and sales, contributing approximately $160.5 million in annual revenue ($74 million in direct sales plus $86.5 million in EPC revenue ramping over 12 months) to SunPower's projections.

markets.financialcontent.com
Marketing channels1 record

Each record includes

Title, Type, Stage, Description, Source

Distribution channels1 record

Each record includes

Title, Type, Scope, Target buyer, Description, Source

Cost components5 values
Personnel, Supply Chain, Operations, Marketing or Sales, Infrastructure
GTM typeB2C
B2C
Offering typeHardware or Manufacturing
Hardware or Manufacturing
Core offering1 text field

Sunder Energy sold and installed residential solar panel systems directly to U.S. homeowners through a large 1099 direct-sales network. The company generated approximately 5,500 new solar contracts annually and operated EPC (engineering, procurement, and construction) capability for residential solar deployments. Prior to its September 2025 acquisition by SunPower Inc., it was ranked the No. 11 U.S. residential solar company.

Differentiator
Functional benefit
Problem solved
Product overview1 text field

Sunder Energy was a residential solar sales and installation company operating in the United States, ranked as the No. 11 U.S. solar company. The company specialized in residential solar panel installations and related services, operating as a sales organization with approximately 5,500 new solar contracts annually. As an independent entity, Sunder Energy operated its own salesforce and installation operations before being acquired by SunPower Inc. in September 2025 for $40 million in cash plus $10 million in shares. Following the acquisition, Sunder Energy's operations, salesforce, and workforce were fully integrated into SunPower's platform, expanding SunPower's coverage from 22 to 45 states and doubling its 1099 salesforce from 841 to 1,734 representatives. The specific products and services offered by Sunder Energy as a standalone company are not detailed in the available source data.

Product and service2 records
1Residential Solar Panel Systems
CategoryResidential Solar Installation
Description

Turnkey residential rooftop solar panel systems sold and installed for U.S. homeowners to reduce electricity costs and increase energy independence. The offering included hardware (solar panels) plus professional design and installation.

2Residential Solar EPC Services
CategorySolar Installation Services
Description

Engineering, procurement, and construction (EPC) services for residential solar deployments, contributing approximately $86.5 million in annual revenue ramping over 12 months to SunPower's projections post-acquisition.

Scale indicator5 records

Each record includes

Type, Value, Description, Source

Partnership2 partners
1Cobalt Power Systems
Strategic tierMinorTypeStrategic or Co-development PartnerAnnounced on2026-03-13
Description

Following integration of Sunder Energy, SunPower announced a $12 million acquisition of Cobalt Power Systems and signed a $20 million Standby Equity Purchase Agreement with Yorkville Advisors.

2SunPower Inc.
Strategic tierCoreTypeStrategic or Co-development PartnerAnnounced on2025-09-01
Description

SunPower Inc. acquired Sunder Energy in September 2025 to expand its installation footprint from 22 to 45 states. The acquisition was for $40 million in cash plus $10 million in shares. Sunder Energy's integration was completed within six months using a five-stage methodology.

Recent move6 records

Each record includes

Date, Type, Title, Description, Source

Expansion highlight4 records

Each record includes

Type, Description

Peers10 records
1Sunnova Energy International
TypeDirect peer
Description

National residential solar and battery storage service provider with a similar third-party ownership / loan model and a focus on homeowner customers. Competes head-to-head with Sunder/SunPower for direct residential contracts in overlapping states.

2Palmetto Solar
TypeEmerging player
Description

Technology-forward residential solar platform with a software-enabled installation marketplace; overlaps with Sunder on homeowner target customer but differentiates on a Clean Energy-as-a-Service / marketplace approach rather than a captive 1099 salesforce.

3Momentum Solar
TypeDirect peer
Description

Residential solar installer operating with a direct sales motion and in-house installation crews in multiple states; comparable on customer segment, contract volume profile, and installer-vs-sales model.

4Freedom Forever
TypeDirect peer
Description

Top-10 U.S. residential solar installer with a large direct salesforce and national footprint; closely comparable in GTM motion (direct-to-homeowner, 1099 reps) and target segment.

5Enphase Energy
TypeOthers
Description

Leading residential solar inverter and battery supplier whose IQ batteries are explicitly featured on SunPower's site post-Sunder integration; an enabling technology partner whose product attach economics directly affect Sunder's storage cross-sell.

6Tesla Energy (Tesla Solar)
TypeBroad incumbent
Description

Vertically integrated solar and storage provider serving residential and commercial markets under the Tesla brand; overlaps with Sunder on rooftop solar and Powerwall storage, but at far greater scale and with in-house panel manufacturing.

7Trinity Solar
TypeDirect peer
Description

Privately held, top-ranked U.S. residential solar installer with a direct-to-consumer sales model across multiple states; competes for the same homeowner contracts and shares Sunder's vertical integration of sales plus installation.

8Sunrun
TypeDirect peer
Description

Largest U.S. residential solar installer with a direct-to-consumer, financing-led model; directly comparable to Sunder in target customer (homeowners), sales motion (in-home and direct), and product offering (rooftop PV plus storage).

9Lumio (formerly known as ADT Solar / Petra)
TypeEmerging player
Description

Residential solar platform that re-emerged from the ADT Solar wind-down with a dealer-network and software-enabled sales model; comparable in target homeowner segment and provides a useful structural comparison point to Sunder's captive salesforce.

10SunPower Inc. (parent)
TypeBroad incumbent
Description

Strategic acquirer of Sunder Energy and now operating parent; provides residential solar and storage nationally and is the natural benchmark for combined-entity scale, brand, and product roadmap.

Market position
Strengths4 records

Each record includes

Headline, Details, Source

Weaknesses4 records

Each record includes

Headline, Details, Source

Competitive moat3 records

Each record includes

Type, Details

Key risks5 records

Each record includes

Headline, Details, Source

Key highlights7 records

Each record includes

Headline, Details, Source

Customer concentration

Classification, Details

Segment1 record

Each record includes

Title, Type, Primary, Description, Pain point addressed, Use case, Source

Ideal customer profile1 record

Each record includes

Profile, Firmographic size, Sales motion, Sales cycle length, Buying structure, Purchase trigger, Buyer persona, Geography, Industry vertical, Primary use case, Description, Pain points, Evidence proof points, Target buyer

Technology focused
No
API detail
Has APIbool
No

Docs URL, Description

AI maturity
App detail

Has app

Core technology
Revenue estimate
Valuation estimate
Number of profiles
Profiles2 records

Each record includes

Name, Designation, Designation category, Overview, Profile commentary, Source

No data
No data
Funding overview

Funding stage, Last funding date, Total funding USD

Funding rounds

Each record includes

Round, Amount USD, Date, Pre money valuation, Total investors, Investors, News

Investors

Each record includes

Name, Type, Date of entry, Rounds participated, Website

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

M&A

Each record includes

Name, Acquisition type, Announced date, Completed date, Status, Website, News

Investment

Each record includes

Name, Round, Announced date, Lead investor, Website, News

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

Sunder Energy

Residential Solar Installationsunderenergy.com

Sunder Energy firmographics

Firmographics
Name
Sunder Energy
Legal name
Sunder Energy
Website
https://sunderenergy.com
Company type
Private
Founded year
2018
Operating status
Acquired
Headcount range
251–500 employees
Ownership category
akta.pro rank

Sunder Energy industry classification

Industry
Product category
Residential Solar Installation
NAICS
Solar Electric Power Generation (221114)
SIC
Electric Services (4911)
akta.pro primary industry
Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System) (EUAMABAB)

Keywords

  • Residential solar installation
  • Solar panel systems
  • Home energy solutions
  • Residential solar sales
  • Renewable energy

Where Sunder Energy is headquartered

Location

Headquarters

HQ city
Sandy
HQ country
United States
HQ region
North America

Markets served

Sunder Energy business model

Business model
GTM type
B2C
Offering type
Hardware or Manufacturing
Cost components
Personnel, Supply Chain, Operations, Marketing or Sales, Infrastructure

Revenue model

  1. Solar Installation and Sales: Sunder Energy generated revenue through residential solar panel installations and sales, contributing approximately $160.5 million in annual revenue ($74 million in direct sales plus $86.5 million in EPC revenue ramping over 12 months) to SunPower's projections.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Sunder Energy product offering

Product offering

Core offering

Sunder Energy sold and installed residential solar panel systems directly to U.S. homeowners through a large 1099 direct-sales network. The company generated approximately 5,500 new solar contracts annually and operated EPC (engineering, procurement, and construction) capability for residential solar deployments. Prior to its September 2025 acquisition by SunPower Inc., it was ranked the No. 11 U.S. residential solar company.

Product overview

Sunder Energy was a residential solar sales and installation company operating in the United States, ranked as the No. 11 U.S. solar company. The company specialized in residential solar panel installations and related services, operating as a sales organization with approximately 5,500 new solar contracts annually. As an independent entity, Sunder Energy operated its own salesforce and installation operations before being acquired by SunPower Inc. in September 2025 for $40 million in cash plus $10 million in shares. Following the acquisition, Sunder Energy's operations, salesforce, and workforce were fully integrated into SunPower's platform, expanding SunPower's coverage from 22 to 45 states and doubling its 1099 salesforce from 841 to 1,734 representatives. The specific products and services offered by Sunder Energy as a standalone company are not detailed in the available source data.

Differentiator

Problem solved

Functional benefit

Products and services

  • Residential Solar Panel Systems Turnkey residential rooftop solar panel systems sold and installed for U.S. homeowners to reduce electricity costs and increase energy independence. The offering included hardware (solar panels) plus professional design and installation.
  • Residential Solar EPC Services Engineering, procurement, and construction (EPC) services for residential solar deployments, contributing approximately $86.5 million in annual revenue ramping over 12 months to SunPower's projections post-acquisition.

Companies that use Sunder Energy

Customer profile

Segments1 record

Ideal customer profiles1 record

Sunder Energy technology and API

Technology

Technology focussed No

API detail

Has API
No
API docs
API detail

Core technology

AI maturity

App detail

Sunder Energy partnerships and signals

Strategic signal

Partnerships

Two partnerships are on record, tiered minor and core.

  • Cobalt Power SystemsminorStrategic or Co-development Partner · 13 March 2026Following integration of Sunder Energy, SunPower announced a $12 million acquisition of Cobalt Power Systems and signed a $20 million Standby Equity Purchase Agreement with Yorkville Advisors.
  • SunPower Inc.coreStrategic or Co-development Partner · 1 September 2025SunPower Inc. acquired Sunder Energy in September 2025 to expand its installation footprint from 22 to 45 states. The acquisition was for $40 million in cash plus $10 million in shares. Sunder Energy's integration was completed within six months using a five-stage methodology.

Scale indicators5 records

Recent moves6 records

Expansion highlights4 records

Sunder Energy competitors and assessment

Company assessment

Direct peers

  • Sunnova Energy International: National residential solar and battery storage service provider with a similar third-party ownership / loan model and a focus on homeowner customers. Competes head-to-head with Sunder/SunPower for direct residential contracts in overlapping states.
  • Momentum Solar: Residential solar installer operating with a direct sales motion and in-house installation crews in multiple states; comparable on customer segment, contract volume profile, and installer-vs-sales model.
  • Freedom Forever: Top-10 U.S. residential solar installer with a large direct salesforce and national footprint; closely comparable in GTM motion (direct-to-homeowner, 1099 reps) and target segment.
  • Trinity Solar: Privately held, top-ranked U.S. residential solar installer with a direct-to-consumer sales model across multiple states; competes for the same homeowner contracts and shares Sunder's vertical integration of sales plus installation.
  • Sunrun: Largest U.S. residential solar installer with a direct-to-consumer, financing-led model; directly comparable to Sunder in target customer (homeowners), sales motion (in-home and direct), and product offering (rooftop PV plus storage).

Emerging players

  • Palmetto Solar: Technology-forward residential solar platform with a software-enabled installation marketplace; overlaps with Sunder on homeowner target customer but differentiates on a Clean Energy-as-a-Service / marketplace approach rather than a captive 1099 salesforce.
  • Lumio (formerly known as ADT Solar / Petra): Residential solar platform that re-emerged from the ADT Solar wind-down with a dealer-network and software-enabled sales model; comparable in target homeowner segment and provides a useful structural comparison point to Sunder's captive salesforce.

Others

  • Enphase Energy: Leading residential solar inverter and battery supplier whose IQ batteries are explicitly featured on SunPower's site post-Sunder integration; an enabling technology partner whose product attach economics directly affect Sunder's storage cross-sell.

Broad incumbents

  • Tesla Energy (Tesla Solar): Vertically integrated solar and storage provider serving residential and commercial markets under the Tesla brand; overlaps with Sunder on rooftop solar and Powerwall storage, but at far greater scale and with in-house panel manufacturing.
  • SunPower Inc. (parent): Strategic acquirer of Sunder Energy and now operating parent; provides residential solar and storage nationally and is the natural benchmark for combined-entity scale, brand, and product roadmap.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights7 records

Customer concentration

Sunder Energy financial estimates

Financial estimate

Revenue estimate

Valuation estimate

Sunder Energy leadership team

Management profile

Number of profiles

Profiles2 records

Sunder Energy funding detail

Funding detail

Funding overview

Funding rounds

Investors

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

Sunder Energy M&A and investment

M&A and investment

M&A

Investments

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

Frequently asked questions about Sunder Energy

What does Sunder Energy do?

Sunder Energy sold and installed residential solar panel systems directly to U.S. homeowners through a large 1099 direct-sales network. The company generated approximately 5,500 new solar contracts annually and operated EPC (engineering, procurement, and construction) capability for residential solar deployments. Prior to its September 2025 acquisition by SunPower Inc., it was ranked the No. 11 U.S. residential solar company.

Is Sunder Energy a public or private company?

Sunder Energy is a private company. It is classified as corporate owned and is currently acquired.

When was Sunder Energy founded?

Sunder Energy was founded in 2018. It employs 251 to 500 people.

Where is Sunder Energy based?

Sunder Energy is headquartered in Sandy, United States, in the North America region.

How does Sunder Energy make money?

One revenue line is on record: solar Installation and Sales.

Who are Sunder Energy's main competitors?

Direct peers on record are Sunnova Energy International, Momentum Solar, Freedom Forever, Trinity Solar and Sunrun. Emerging players are Palmetto Solar and Lumio (formerly known as ADT Solar / Petra). Enphase Energy is listed as an others. Broad incumbents are Tesla Energy (Tesla Solar) and SunPower Inc. (parent).

Does Sunder Energy have an API?

No public API is recorded for Sunder Energy.

What industry is Sunder Energy in?

Sunder Energy's product category is Residential Solar Installation. Its primary akta.pro industry code is EUAMABAB, Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System). Its NAICS code is 221114 and its SIC code is 4911.

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Contact sales
Live signals
openPR.comEmerging Growth Trends Driving Expansion in the Solar MarketThe solar energy sector is projected to reach a valuation of $342.55 billion by 2030, growing at a compound annual growth rate of 3.7%, driven by net-zero commitments, energy storage integration, and advanced solar technology adoption. In September 2025, SunPower Inc. acquired Sunder Energy to expand its renewable energy offerings and strengthen capabilities in energy storage and grid integration for the US market. In October 2025, India-based Vikram Solar Limited launched the Hypersol Pro solar panel with up to 23.69% module efficiency, aligning with India's renewable energy goals under the Production-Linked Incentive scheme.YahooSunPower (SPWR) Completes Integration of Sunder EnergyOn March 13, SunPower Inc. announced the successful completion of its integration of Sunder Energy, with CEO T.J. Rodgers highlighting the company's five stage-gate acquisition process designed to ensure comprehensive integration across operations, sales, branding, and management structures. The systematic approach, which includes hundreds of tasks across multiple phases and a final review by a six-member integration board led by Rodgers, has been applied across dozens of acquisitions. SunPower, a U.S.-based residential solar provider headquartered in Fremont, California, also recently appointed Wendell Laidley as Chief Financial Officer on February 5, 2025.Investing.comSunPower completes Sunder Energy integration in six months By Investing.comSunPower Inc. has completed the integration of Sunder Energy in six months using a five-stage methodology that involved 311 tasks completed by 20 managers across 10 work groups, from basic corporate functions through final review. The company has two more integrations scheduled (Ambia in May 2026 and Cobalt in June 2026) and capacity for one additional acquisition with two candidates under consideration. Recent strategic moves also include a $12 million all-equity acquisition of Cobalt Power Systems and a $20 million Standby Equity Purchase Agreement with Yorkville Advisors Global.Investing.comSunPower completes Sunder Energy integration in six months By Investing.comSunPower Inc. has completed the integration of Sunder Energy in six months using a five-stage methodology developed across 28 previous acquisitions, with 311 tasks completed by 20 managers across 10 work groups. The company cited that poor acquisition integration is the most common failure mode leading to talent and value loss, positioning this completion as a strategic milestone. SunPower has two additional integrations scheduled—Ambia in May 2026 and Cobalt in June 2026—and has capacity for one more acquisition with two candidates under consideration.GlobeNewswireSunPower Completes the Integration of Sunder EnergySunPower completed the integration of Sunder Energy, using its five-stage gate methodology. The 311 tasks took six months, and the company's pipeline now includes Ambia and Cobalt, scheduled for May and June 2026.Stock TitanSunPower completes Sunder Energy integrationSunPower announced the successful completion of integrating Sunder Energy using its structured stage-gate methodology, completing 311 tasks over six months as part of its growth and operational transformation strategy. The integration embedded SunPower's quality systems, engineering rigor, and customer success standards into Sunder. SunPower's CEO noted the company's integration pipeline includes two additional acquisitions, Ambia and Cobalt, scheduled for completion in May and June 2026 respectively.SunpowerNews Releases — SunPowerSunPower Inc. announced multiple corporate developments on November 24, 2025, including the closure of its $37.5 million acquisition of Ambia Solar and receipt of a Nasdaq deficiency notice regarding delayed filings. The company also reported inducement grants for key employees from both the recently acquired Ambia Energy and the earlier Sunder Energy acquisition.MarketScreenerSunPower Reports Inducement Grants in Connection with Sunder AcquisitionSunPower announced inducement grants related to its acquisition of Sunder, a solar energy company. The article discusses the company's activities, financial ratings, and estimates, but no details about the strategic implications of the acquisition are provided.GlobeNewswireSunPower Closes Sunder Energy AcquisitionSunPower closed its acquisition of Sunder Energy, a residential solar sales company, to become the U.S. residential solar industry's fifth-largest by installed megawatts. The deal adds Sunder's 893-person 1099 sales force, managed by 20 W-2 employees, and is expected to raise revenue to pre-ITC levels and set a new record. SunPower plans to integrate Sunder into its operations over the next quarter.Stock TitanSunPower Acquires Sunder Energy to Become #5 US Solar InstallerSunPower closed its acquisition of Sunder Energy, a residential solar sales company, to become the fifth-largest US solar installer by installed megawatts. The deal adds Sunder's 893-person 1099 sales force, doubling SunPower's salesforce to 1,734, and is expected to generate a Q4'25 operating income record.