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Commercial & Industrial Battery Energy Storage System (BESS)
Battery Energy Storage Systems for India's Industrial and Commercial Economy
A battery energy storage system (BESS) stores electricity - from the grid, from solar, or from both - and discharges it precisely when it is needed most: during peak-demand windows, grid outages, or when solar generation drops. ATC GridWorks designs, finances, builds, owns, and operates commercial and industrial BESS installations engineered to cut energy costs, replace diesel backup, and integrate cleanly with solar generation.
Trust Indicators
MW/MWh deployed to date, IS/IEC-compliant engineering, round-trip efficiency and response-time specifications validated by independent testing, 24/7 remote monitoring via ATC GridWorks' digital energy platform.
The Industry Challenge
Industrial and commercial electricity tariffs in India are structured around peak-demand charges that can represent 20-40% of a facility's total power bill, and diesel generator backup remains the default resilience solution for most Indian industry despite its high per-unit cost and emissions profile. Solar generation alone cannot address either problem - it is intermittent, unavailable at night, and mismatched to industrial peak-demand windows that often occur in the evening.
The ATC GridWorks Approach
ATC GridWorks designs each BESS installation around the customer's actual load profile, tariff structure, and resilience requirements - not a one-size-fits-all container. Every system is engineered, procured, installed, commissioned, and then operated by ATC GridWorks for the life of the asset, with continuous optimization delivered through our AI-powered energy management platform (see AI EMS).
Technical Overview
| Attribute |
Specification Range |
| Configuration |
Containerized, indoor rack-mounted, or modular outdoor cabinet |
| Cooling |
Air-cooled or liquid-cooled |
| Chemistry |
Lithium iron phosphate (LFP) as standard; alternative chemistries evaluated per project |
| Round-trip efficiency |
88-92%+ |
| Response time |
Sub-20 milliseconds for backup/UPS-mode discharge |
| Compliance |
IS/IEC battery and fire-safety standards, CEA guidelines |
| Monitoring |
24/7 remote SCADA and EMS integration |
Benefits
- Reduce peak-demand charges by shifting consumption away from high-tariff windows
- Replace or reduce diesel generator dependency for backup power
- Store and time-shift solar generation to match actual load patterns
- Participate in demand response and (as markets mature) ancillary services and virtual power plant programs
- Single point of accountability across design, installation, and 10+ year operating life
Applications
Manufacturing plants, data centers, commercial real estate, cold storage and logistics facilities, textile and process industries, hospitals, and any site with meaningful peak-demand exposure or diesel backup costs.
FAQs
A battery energy storage system (BESS) is an integrated system of battery racks, a power conversion system (PCS), and a battery/energy management system that stores electrical energy and discharges it on demand - used to shift consumption away from peak-tariff periods, provide backup power, and smooth solar generation.
The savings depend on your tariff structure and load profile, but Indian industrial and commercial sites with significant peak-demand charges typically see reductions in the range of 15–30% on the demand-charge component when a correctly sized BESS is deployed; an ATC GridWorks energy assessment provides a site-specific estimate.
For most backup-power durations (minutes to a few hours), yes - a correctly sized BESS responds faster (sub-20 milliseconds vs. several seconds for a DG set to start and stabilize), produces no local emissions, and has a lower cost per kWh over its operating life once financed appropriately.
Yes. ATC GridWorks offers OPEX/Energy-as-a-Service commercial models where ATC GridWorks owns and finances the asset and the customer pays for the energy or capacity outcome, in addition to traditional CAPEX ownership.
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