Protect the Performance of Your Battery Energy Storage Systems.
Installation support, commissioning assistance, preventive maintenance and responsive field service, backed by more than a century of battery expertise and a national service organization.
BESS Is Evolving. So Are We, Building on Over a Century of Battery Expertise.
A SERVICE ORGANIZATION WITH DEEP ROOTS.
Since 1915, Exponential Power has installed, tested and maintained stationary battery systems. Our experience includes UPS systems, inverters, chargers, lithium-ion batteries and related critical power equipment.
We are bringing that history, our national field organization and established electrical safety programs to the BESS market. Equipment-specific work is performed according to applicable OEM requirements and training.
Field Service for the way you deploy BESS
Utility-Scale Energy Storage
UTILITY-SCALE BESS
Front-of-the-meter battery energy storage, including standalone and renewable energy-associated installations.
Commercial & Industrial
C&I BESS
Behind-the-meter systems supporting facilities, campuses, demand management, and resilience.
Distributed Battery Portfolios
MULTI-SITE SERVICE
Repeatable support for groups of smaller systems managed across multiple locations and markets.
BESS Support Across the Equipment Lifecycle
Installation Assistance
Battery enclosures, electrical connections, power conversion equipment and auxiliary systems.
Commissioning Support
Battery enclosures, electrical connections, power conversion equipment and auxiliary systems.
Capacity & Performance Testing
Capacity testing, test-data analysis and reporting to evaluate performance.
Preventive Maintenance
Capacity testing, test-data analysis and reporting to evaluate performance.
Corrective Maintenance
Troubleshooting and repairs, with OEM coordination for warranty parts and escalation.
Service Program Support
Monitoring support, scheduled maintenance, reporting and tailored service agreements.
Trained Battery Technicians. National Reach.
A field service organization built to support BESS owners and OEM service programs, with coordinated response options and consistent reporting.
118
Field service technicians across the business
~18
US Branch Locations
24/7
Emergency Dispatch
24/48 hour
Contracted response options
Trained and Equipped
Technicians experienced with stationary batteries, power electronics, lithium-ion handling and electrical safety.
Clear Field Documentation
Service checklists, photographs, findings and follow-up recommendations after visits.
Guaranteed Response Options
Emergency, 24-hour and 48-hour response commitments available where agreed, subject to location, access and equipment.
Flexible Service Agreements
Time-and-materials arrangements, annual O&M programs and multi-year LTSAs for individual or multiple sites.
One Service Organization. Two Ways to Work.
A common service foundation, tailored to the needs of asset owners and original equipment manufacturers.
FOR SITE AND ASSET OWNERS
Service, O&M and LTSAs
One Partner, Many Sites
A consistent scope and reporting approach across sites and states.
Response Commitments
Emergency and contracted 24/48-hour response options, subject to agreed coverage.
Transparent Reporting
Documented inspections, photographs, findings and next steps.
Commercial Flexibility
Time and materials, annual O&M agreements and multi-year LTSAs.
Independent Service Focus
We do not own or develop storage projects.
FOR OEMs AND SERVICE PARTNER PROGRAMS
Manufacturer-Aligned Field Support
Trained to OEM Requirements
Technicians complete the equipment-specific training required for assigned work.
Electrical Safety Culture
OSHA-based programs, NFPA 70E training and lithium-ion handling procedures.
National Field Service Network
A national technician organization and coordinated response options.
Warranty Alignment
Maintenance to OEM procedures, with warranty parts and escalation coordinated.
Building OEM Service Partnerships
BESS-specific service partner arrangements and certifications are being developed.
BESS Service FAQ’s
Common questions for system owners evaluating a field service and long-term maintenance partner.
1. What maintenance does a battery energy storage system require?
Programs vary by manufacturer and design. Typical work includes inspections, electrical checks, thermal-system maintenance, safety-system reviews, functional testing and documentation.
2. Does Exponential Power provide BESS O&M agreements and LTSAs?
Yes. We can develop preventive maintenance and corrective-service scopes under annual O&M programs or multi-year long-term service agreements, based on system needs and agreed coverage.
3. Can you support multiple sites across the country?
Our national service network can coordinate maintenance and reporting across sites, subject to equipment requirements and available regional coverage.
4. Are guaranteed response times available?
Emergency, 24-hour and 48-hour contractual response options are available. Commitments depend on the site, equipment, authorization and agreed service terms.
5. Does Exponential Power maintain different OEM systems?
We coordinate with equipment manufacturers and follow their procedures. OEM-specific work is performed only when required training and authorization are in place.
Why Exponential Power for BESS?
Decades of Battery Experience
For more than a century, Exponential Power and its legacy businesses have supported critical power systems. Our experience with stationary batteries, UPS systems, inverters, and industrial power equipment provides a strong foundation for servicing today’s battery energy storage systems.
National Field Service Organization
With 118 field service technicians, approximately 18 locations across the United States, and 24/7 emergency dispatch, Exponential Power provides national coverage with local field support. We offer guaranteed response options through defined service agreements, helping customers manage BESS installations across multiple locations.
Established Safety Practices
Safety is fundamental to our field service operations. Our technicians receive training in electrical safety, OSHA requirements, lockout/tagout procedures, and lithium-ion battery handling. We follow established safety practices and applicable manufacturer procedures when servicing battery energy storage equipment.
Manufacturer-Aligned Service
Exponential Power works with equipment manufacturers to deliver BESS services aligned with their technical requirements and maintenance procedures. Our technicians complete equipment-specific training and authorization where required, helping protect system performance and support manufacturer warranty requirements.
Let’s Build a Service Plan for Your BESS Assets.
Tell us about your installations, location, equipment, and service requirements. Our team can discuss preventive maintenance, field service, response commitments, O&M programs, and long-term service agreements.