RELIABLE SERVICES FOR RENEWABLE ENERGY

CES is a leading provider of Battery Energy Storage Systems (BESS) and Solar (PV) services.

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  • 50 states

    for BESS project delivery and support.

  • 10+ GWH

    commissioned across battery storage projects

  • 1,300+

    BESS, Solar and
    Long-Term Projects
    Completed

  • 150+

    Field Service Team, Largest in US for Battery Energy Storage Systems (BESS) Management

OUR SERVICES

  • Battery Storage Services (BESS)
    Comprehensive support for battery energy storage systems BESS management, from installation and commissioning, to maintenance, to augmentation and remediation.
  • SOLAR ENERGY SERVICES (PV)
    Structured servicing for utility-scale solar operations, including maintenance and repowering.
  • Remote Operations Center (ROC)
    Secure, real-time oversight and diagnostics through our 24/7 Remote Operations Center (ROC).
  • TECHNOLOGY SOLUTIONS
    Integrated analytics, dashboards, and energy management software solutions that support data-driven energy asset optimization.

Battery Storage Services (BESS)

Comprehensive support for battery energy storage systems BESS management, from installation and commissioning, to maintenance, to augmentation and remediation.

SOLAR ENERGY SERVICES (PV)

Structured servicing for utility-scale solar operations, including maintenance and repowering.

Remote Operations Center (ROC)

Secure, real-time oversight and diagnostics through our 24/7 Remote Operations Center (ROC).

TECHNOLOGY SOLUTIONS

Integrated analytics, dashboards, and energy management software solutions that support data-driven energy asset optimization.

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SERVICES LIFE CYCLE

CES supports the complete lifecycle of renewable infrastructure, combining technical field execution with data‑driven energy asset optimization. Every service is structured to support long‑term performance throughout the life of the asset, maximizing asset uptime and value.

GET IN TOUCH

We manage full-site onboarding, including functional testing, SCADA integration, and energy storage commissioning to ensure systems go live smoothly and efficiently.

Scheduled inspections and remote diagnostics to proactively address issues before they impact performance. This helps maximize uptime and extend system life.

Fast, targeted repairs and field support to address unexpected failures and restore optimal performance as quickly as possible.

Scalable upgrades and technology retrofits that expand capacity, improve efficiency, and adapt systems to evolving energy needs.

End-of-life services including equipment removal, battery recycling, and site restoration. All handled with regulatory compliance and environmental care.

Comprehensive warranty oversight across OEMs and system components. We help clients track coverage, manage claims, and reduce unplanned costs.

  • Commissioning

  • Preventative Maintenance

  • Corrective Maintenance

  • Augmentation

  • Decommissioning & Recycling

  • Warranty Management

Commissioning

We manage full-site onboarding, including functional testing, SCADA integration, and energy storage commissioning to ensure systems go live smoothly and efficiently.

Scheduled inspections and remote diagnostics to proactively address issues before they impact performance. This helps maximize uptime and extend system life.

Fast, targeted repairs and field support to address unexpected failures and restore optimal performance as quickly as possible.

Scalable upgrades and technology retrofits that expand capacity, improve efficiency, and adapt systems to evolving energy needs.

End-of-life services including equipment removal, battery recycling, and site restoration. All handled with regulatory compliance and environmental care.

Comprehensive warranty oversight across OEMs and system components. We help clients track coverage, manage claims, and reduce unplanned costs.

Our Presence

Kansas
Oregon
Idaho
Nevada
California
Utah
Arizona
Minnesota
Nebraska
New Mexico
Iowa
Missouri
Oklahoma
Texas
Arkansas
Mississippi
Illinois
Wisconsin
Indiana
Michigan
Ohio
West Virginia
Alabama
Georgia
South Carolina
North Carolina
Virginia
Pennsylvania
New Jersey
New York
Massachusetts
Maine
Florida
Hawaii
Colorado

See what our clients have to say

Likewise on your side of the pond! We’re looking forward to continuing our work together and finding the best path forward on these projects. We’ve been really happy with the quality of support CES has provided—professional, reliable, and consistently high-standard. Long may it continue.

-Gorestreet

Client

Thank you! CES has been a tremendous help in the field. Their presence has made a noticeable difference in keeping our operations running smoothly and efficiently. It’s clear we can rely on their expertise and hands-on support.

-NextEra

Client

We were thoroughly impressed by CES’s ability to deliver a detailed and accurate proposal within such a short timeframe. Their responsiveness and efficiency reflect a deep understanding of the renewable energy sector, and it gave us confidence in their ability to meet tight project deadlines. It’s clear that CES values our time and is committed to moving projects forward without delay.

-Nuveen

Potential Client

We can’t thank CES enough for mobilizing a skilled team so quickly and on such short notice. Their ability to respond with urgency and professionalism made a significant difference in keeping our project on track. CES proved to be a dependable partner, ready to step in when it mattered most.

-Engie

Client

CES demonstrated excellent communication throughout our engagement—emails were prompt, clear, and highly professional. Every response reflected their expertise and collaborative approach, which made working with their team not only easy but genuinely enjoyable. Their communication style inspired confidence and encouraged us to continue building the partnership.

-Sungrow

Client

Everything has been running smoothly with no issues to report. The entire CES team is working hard and performing exceptionally well. Their dedication on-site has been clearly recognized and appreciated.

-NextEra

Client

CASE STUDIES

CASE STUDIES

IPP and OEM Partner – Remote Commissioning for Networked Power Systems

Overview An independent power producer and its OEM partners required full commissioning of OT and IT systems at multiple distributed energy sites. CES was brought in to configure and test...

IPP and OEM Partner – Remote Commissioning for Networked Power Systems

Top 5 Global BESS OEM – Remote Monitoring and Alert Management

Overview A top five global battery OEM engaged CES to take over remote monitoring for 34 BESS sites worldwide. CES was responsible for triaging high-priority alerts, diagnosing issues, and delivering...

Top 5 Global BESS OEM – Remote Monitoring and Alert Management

Leading USA Power Producer – BESS Performance Upgrade

Overview A major U.S. power producer was experiencing low availability at a solar-plus-storage site. CES was brought in to assess system performance and restore reliability through targeted module replacement and...

Leading USA Power Producer – BESS Performance Upgrade
IPP and OEM Partner – Remote Commissioning for Networked Power Systems

IPP and OEM Partner – Remote Commissioning for Networked Power Systems

Overview An independent power producer and its OEM partners required...

Top 5 Global BESS OEM – Remote Monitoring and Alert Management

Top 5 Global BESS OEM – Remote Monitoring and Alert Management

Overview A top five global battery OEM engaged CES to...

Leading USA Power Producer – BESS Performance Upgrade

Leading USA Power Producer – BESS Performance Upgrade

Overview A major U.S. power producer was experiencing low availability...