Sustainable Energy Group

What Sustainable Energy Group does

Sustainable Energy Group is a privately held solar company founded in 2004, headquartered in Grass Valley, United States, and serving residential and commercial building customers. The company operates with a small workforce of 11–50 employees. Based on aggregated source material, the underlying asset portfolio attributed to the group (referenced as Sustainable Energy Infrastructure, SEI) consists of 71 MWac of solar generation capacity spread across 16 sites and 42 MW of battery energy storage systems across 11 locations, situated within Australia's National Electricity Market across New South Wales, Victoria, and South Australia.

The business model combines distributed solar generation with battery energy storage, positioning it as an in-front-of-the-meter renewable energy infrastructure operator with assets diversified across three Australian states. The company is wholly owned by CleanPeak Energy Holdings following a full acquisition completed on 2026-04-17. No pricing, product, or customer-segment details are disclosed in the available sources, and revenue figures are not reported. Leadership consists of Chief Executive Officer Kelly Rocha.

Post-acquisition, Sustainable Energy Group/SEI's role is to support CleanPeak Energy Holdings' three-to-five-year growth strategy focused on expanding in-front-of-the-meter solar capability and strengthening CleanPeak's retail energy business. The combined entity is positioned to leverage SEI's diversified generation and storage footprint as a strategic renewable energy asset base in the Australian NEM.

Name

Sustainable Energy Group

Website

https://sustainableenergygroup.com

Company type

Private

Founded year

2004

Operating status

Acquired

Headcount range

11–50 employees

Short description

Sustainable Energy Group is a privately held solar and battery energy storage operator serving residential and commercial building customers, with a 71 MWac solar and 42 MW battery portfolio across Australia's National Electricity Market, now wholly owned by CleanPeak Energy Holdings.

Ownership category

akta.pro rank

Product category

Solar Installation Services

NAICS

Solar Electric Power Generation (221114)

SIC

Electric, Gas & Sanitary Services (4900)

akta.pro primary industry

Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System) (EUAMABAB)

akta.pro secondary industry

Renewable Distributed Generation (Rooftop/Onsite Solar, Small Wind, Small Hydro) (EUACALAJ)

Keywords

• Solar installation services
• Residential solar systems
• Commercial solar energy
• Renewable energy solutions
• Photovoltaic system deployment

Headquarters

HQ city

Grass Valley

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Marketing or Sales

Core offering

Sustainable Energy Group is a solar company that designs, supplies, and installs solar energy systems for residential and commercial buildings. The company delivers photovoltaic generation and battery storage solutions as a solar installation contractor serving property owners in the U.S. market.

Differentiator

Problem solved

Functional benefit

Products and services

• Residential Solar Installation
• Commercial Solar Installation

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators3 records

Recent moves2 records

Expansion highlights3 records

Others

• Recurve (formerly known as EnergySage Marketplace peers): Energy marketplace that connects homeowners with pre-vetted local solar installers. Functions as an indirect distribution channel that competitors and Sustainable Energy Group alike can leverage for customer acquisition.

Direct peers

• Trinity Solar: US-based residential and commercial solar installer operating across multiple states. Closely comparable in business model and customer focus to a regional installer like Sustainable Energy Group.
• Blue Raven Solar: Residential-focused US solar installer offering financing and lease options. Competes directly with Sustainable Energy Group in the residential distributed solar segment.
• Momentum Solar: Residential solar installer operating across multiple US states. Comparable in target customer (homeowners) and product offering (rooftop PV).
• Freedom Forever: Residential solar installer with multi-state operations. Direct competitor in the residential rooftop solar installation market with a similar project-based business model.
• Palmetto Solar: US residential and commercial solar company offering design, installation, and financing. Similar business model and customer segments to Sustainable Energy Group.

Emerging players

• Swell Energy: Residential virtual power plant and distributed energy resource company focused on home battery and solar integration. Adjacent business model overlapping on residential solar-plus-storage deployment.

Broad incumbents

• Tesla Energy: Operates the Solar Roof and Powerwall product lines for residential customers across multiple US states. A large incumbent competing in the same residential distributed solar space as Sustainable Energy Group.
• Sunrun: Largest US residential solar installer offering rooftop PV, battery storage, and lease/PPAs. Comparable to Sustainable Energy Group in the residential rooftop solar installation business, though at vastly larger scale.
• SunPower: Established US solar company serving both residential and commercial customers with rooftop PV and storage. Direct overlap with Sustainable Energy Group's residential and commercial segments.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat2 records

Key highlights4 records

Customer concentration

• Xx.com/segenergy

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 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 Sustainable Energy Group