Clean Energy Services
Clean Energy Services provides utility-scale battery energy storage and solar operations and maintenance, commissioning, and 24/7 remote monitoring for utilities, IPPs, OEMs, and data centers across all 50 US states.
- Company typePrivate
- Founded2022
- HeadquartersHouston, United States
- Headcount1–10
- GTM typeB2B
- OfferingServices
What Clean Energy Services does
Clean Energy Services (CES), founded in 2022 in Houston, Texas, provides operations and maintenance services for utility-scale battery energy storage systems (BESS) and solar PV assets across all 50 US states. The company delivers the full asset lifecycle — commissioning, preventative and corrective maintenance, augmentation, warranty management, and decommissioning — supplemented by a NERC CIP-compliant 24/7 Remote Operations Center that monitors more than 4.5 GWh of batteries and over 1 GW of solar. Its workforce of 150+ field service personnel is described as the largest BESS technician pool in the United States, with 125+ of those engineers and technicians having collectively commissioned more than 15 GWh of battery storage.
Clean Energy Services firmographics
Firmographics- Name
- Clean Energy Services
- Legal name
- Clean Energy Services
- Website
- https://www.cesrenewables.com
- Company type
- Private
- Founded year
- 2022
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Clean Energy Services provides utility-scale battery energy storage and solar operations and maintenance, commissioning, and 24/7 remote monitoring for utilities, IPPs, OEMs, and data centers across all 50 US states.
- Ownership category
- akta.pro rank
Clean Energy Services industry classification
Industry- Product category
- Energy Storage and Solar O&M Services
- NAICS
- Electric Power Generation, Transmission and Distribution (2211), Solar Electric Power Generation (221114), Electric Power Generation (22111)
- SIC
- Electric Services (4911)
- akta.pro primary industry
- Utility-Scale BESS EPC & Integration (EUAEAEAA)
- akta.pro secondary industries
- Power Plant I&C / SCADA / DCS EPC (EUAEAAAN), Solar PV Power Plant EPC (Utility-Scale) (EUAEAAAG), DERMS Platforms & Utility Integration (ADMS/SCADA Integration, Hosting Capacity) (EUAFAHAF)
Keywords
Where Clean Energy Services is headquartered
LocationHeadquarters
- HQ city
- Houston
- HQ country
- United States
- HQ region
- North America
Offices3 records
Markets served
Clean Energy Services business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Technology or R&D, Infrastructure, Marketing or Sales
Revenue model
- BESS Services: Battery Energy Storage System services including commissioning, maintenance, warranty management, augmentation, and decommissioning. Revenue generated through Long Term Service Agreements (LTSAs) with 3-to-15-year contract terms, and project-based commissioning campaigns.
- Solar PV Services: Utility-scale solar operations including maintenance, repowering, and corrective campaigns structured through LTSAs. Includes spare parts management and warranty handling services.
- Remote Operations Services: 24/7 remote monitoring and diagnostics services through ROC, providing alarm response, trend analysis, and field dispatch coordination.
- Technology Solutions: Energy management software solutions including analytics dashboards, forecasting, and site-level diagnostics through data lake services.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | BESS Services - Quote-based pricing |
| Other | Multi-year contract | Solar PV Services - Quote-based pricing |
Go-to-market motion1 record
Distribution channels3 records
Marketing channels4 records
Clean Energy Services product offering
Product offeringCore offering
Clean Energy Services (CES) is a Houston, TX-based operations, maintenance, and asset management provider for utility-scale battery energy storage systems (BESS) and solar photovoltaic (PV) projects. Founded in 2022, the company supports utilities, independent power producers (IPPs), OEMs, developers, and data center operators under Long Term Service Agreements (LTSAs) and multi-year service contracts, with a 24/7 Remote Operations Center (ROC) used for continuous monitoring, dispatch, and incident response. CES was acquired by FlexGen in April 2026 and now operates as a FlexGen subsidiary.
Product overview
Clean Energy Services offers a comprehensive suite of renewable energy services with four core offerings: Battery Storage Services (BESS), Solar Energy Services (PV), Remote Operations Center (ROC), and Technology Solutions. BESS services cover the complete lifecycle from commissioning and installation to maintenance, augmentation, and decommissioning. Solar services provide long-term service agreements, corrective campaigns, and repowering. The ROC provides 24/7 centralized monitoring and diagnostics through a NERC CIP-compliant facility. Technology Solutions delivers integrated analytics, dashboards, and energy management software. The company also offers growth opportunities in data center servicing, owners' engineering, BESS infrastructure renewal, MV/HV servicing, and HVAC system support.
Differentiator
Problem solved
Functional benefit
Products and services
- Battery Energy Storage System (BESS) Services
Quantifiable outcome
- Cut average issue resolution time by more than 55 percent
- +4 more outcomes
Companies that use Clean Energy Services
Customer profileNamed customers10 records
Segments4 records
Ideal customer profiles3 records
Clean Energy Services technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability2 records
Feature6 records
Clean Energy Services partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- FlexGen Power SystemscoreFlexGen acquired Clean Energy Services in April 2026, creating an integrated model combining FlexGen's HybridOS software platform with CES's commissioning and lifecycle service capabilities. The acquisition positions the combined entity as the industry leader in battery storage services with over 15 GWh commissioned and over 4.5 GWh of battery assets under service. CES operates as a subsidiary of FlexGen while maintaining its remote operations center in Houston, Texas.
Scale indicators10 records
Recent moves6 records
Expansion highlights6 records
Clean Energy Services competitors and assessment
Company assessmentDirect peers
- Invenergy: Invenergy is a US-based independent power producer that develops, owns and operates utility-scale wind, solar and battery storage assets, with its own O&M organization managing 500+ MW of generation. It is directly comparable to CES as a utility-scale renewable O&M operator, although Invenergy primarily services its own fleet.
- Renu Energy Services: Renu Energy Services is a specialized solar O&M provider for utility-scale PV plants, offering preventative and corrective maintenance, commissioning and repowering services. It competes directly with CES in the utility-scale solar O&M market segment.
- Wartsila Energy Storage: Wartsila's Energy Storage business is a global BESS integrator with a service portfolio spanning lifecycle maintenance, remote monitoring and augmentation, overlapping directly with CES's BESS commissioning, LTSA and ROC offerings.
- Mortenson Construction: Mortenson is a leading renewable energy EPC contractor for utility-scale solar and wind with significant in-house O&M and service capabilities. It is comparable to CES as an end-to-end execution partner for renewable developers, though larger and more diversified.
- McCarthy Building Companies: McCarthy's Renewable Energy group is one of the largest US solar EPC contractors, providing construction plus ongoing services for utility-scale PV portfolios. It competes with CES for solar construction and long-term service work with developer and IPP clients.
- Origis Energy Services: Origis Energy develops and operates utility-scale solar and storage projects and provides operations and asset management services to third-party portfolios. It is comparable to CES as a vertically integrated solar and storage operator offering lifecycle services.
Broad incumbents
- AES Clean Energy: AES Clean Energy is a large US renewable developer and owner-operator of utility-scale solar and battery storage with internal O&M capabilities. It is a broader incumbent that competes with CES for IPP-scale service work while primarily operating its own fleet.
- Clearway Energy: Clearway Energy owns and operates one of the largest US renewable portfolios (solar, wind) and outsources/insources O&M at scale. It is a broader incumbent comparable to CES's customer set rather than its service offering directly.
- EDF Renewables: EDF Renewables is a global developer and operator of utility-scale wind, solar and battery storage with established asset management and O&M services. It overlaps with CES as both a potential customer and a competitor for utility-scale renewable service contracts.
- Lightsource bp: Lightsource bp is a global utility-scale solar developer with growing US battery storage activity and dedicated asset management and O&M functions. It is comparable to CES as a large-scale solar and storage owner-operator with internal service capabilities.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Clean Energy Services social profiles
Digital presenceClean Energy Services financial estimates
Financial estimateRevenue estimate
Valuation estimate
Clean Energy Services leadership team
Management profileNumber of profiles
Clean Energy Services funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Clean Energy Services 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 Clean Energy Services
What does Clean Energy Services do?
Clean Energy Services (CES) is a Houston, TX-based operations, maintenance, and asset management provider for utility-scale battery energy storage systems (BESS) and solar photovoltaic (PV) projects. Founded in 2022, the company supports utilities, independent power producers (IPPs), OEMs, developers, and data center operators under Long Term Service Agreements (LTSAs) and multi-year service contracts, with a 24/7 Remote Operations Center (ROC) used for continuous monitoring, dispatch, and incident response. CES was acquired by FlexGen in April 2026 and now operates as a FlexGen subsidiary.
Is Clean Energy Services a public or private company?
Clean Energy Services is a private company. It is classified as corporate owned and is currently operating.
When was Clean Energy Services founded?
Clean Energy Services was founded in 2022. It employs 1 to 10 people.
Where is Clean Energy Services based?
Clean Energy Services is headquartered in Houston, United States, in the North America region.
How does Clean Energy Services make money?
Four revenue lines are on record. BESS Services are the primary driver. The others are solar PV Services, remote Operations Services and technology Solutions.
Who are Clean Energy Services's main competitors?
Direct peers on record are Invenergy, Renu Energy Services, Wartsila Energy Storage, Mortenson Construction, McCarthy Building Companies and Origis Energy Services. Broad incumbents are AES Clean Energy, Clearway Energy, EDF Renewables and Lightsource bp.
Does Clean Energy Services have an API?
No public API is recorded for Clean Energy Services.
What industry is Clean Energy Services in?
Clean Energy Services's product category is Energy Storage and Solar O&M Services. Its primary akta.pro industry code is EUAEAEAA, Utility-Scale BESS EPC & Integration, with a secondary code of EUAEAAAN, Power Plant I&C / SCADA / DCS EPC. Its NAICS code is 2211 and its SIC code is 4911.