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Commercial & Industrial · Peak-Shaving Platform
Commercial & Industrial Storage, Engineered for Peak Shaving
Commercial and industrial power bills are structured to punish peaks: demand charges take 30–70% of the invoice, and a single fifteen-minute spike sets the rate for the month. Storage attacks exactly that line — shaving peaks cuts demand charges 30–50% and typically pays back in 4–8 years. EMS-ESS supplies EPCs and energy managers with the standard building block: 51.2V 100Ah rack modules paralleling from 20.48 kWh to a full 81.92 kWh cabinet and on to 322 kWh across multi-cabinet sites.
Tariff Mechanics
Three Revenue Lines on One Cabinet
A C&I battery earns its keep three ways. First, demand-charge management: flatten the monthly peak and the 30–70% of the bill that tracks it falls 30–50% — at utility rates, mid-size sites report $5,000 to $50,000 a month off the invoice. Second, time-of-use arbitrage: charge in the $0.12–0.18/kWh off-peak window, discharge through the peak. Third, solar self-consumption behind the meter. A modest peak cut compounds: shaving a site from 50 kW to 30 kW of peak demand is worth about £3,600 a year at UK demand rates alone.
- Demand-charge capture — storage shaves the fifteen-minute peak that sets 30–70% of the bill, returning 30–50% of that charge as savings month after month.
- TOU arbitrage — off-peak windows at $0.12–0.18/kWh versus peak rates leave a spread the battery monetizes daily, not just on peak days.
- Modular growth — the parallel-bus architecture hot-adds modules to a live cabinet, so a site starts at 20.48 kWh and expands without an outage or a new certification cycle.
- Payback discipline — at 4–8 year typical payback and 6,000-cycle modules, the asset is still earning well inside its warranty window.
Peak-Shaving Program
Scaling Ladder & Module Specification
Sizing a peak-shaving system is a load-profile exercise, so the platform scales in clean steps of the same 5.12 kWh module. The ladder below maps the standard configurations EPCs quote most; the module table underneath is the hardware behind every rung.
Configuration Ladder
| Modules | Usable energy | Discharge capability @1C | Typical site |
|---|---|---|---|
| 4 | 20.48 kWh | 20.5 kW | small workshop, TOU arbitrage |
| 8 | 40.96 kWh | 41.0 kW | mid-size facility, first-stage peak shaving |
| 16 | 81.92 kWh | 81.9 kW | standard cabinet, full demand-charge program |
| 32 | 163.84 kWh | 163.8 kW | light manufacturing, multi-shift loads |
| Multi-cabinet | up to 322 kWh | site-scaled | C&I campus, EPC frame agreements |
Module Parameters
| Parameter | Specification |
|---|---|
| Module | 51.2V 100Ah (16S LiFePO4), 19" 4U format |
| Energy per module | 5.12 kWh |
| Cycle life | 6,000 cycles |
| Round-trip efficiency | 95%+ system level |
| Current per module | 100A continuous |
| Communication | CAN + RS485 on a shared parallel bus |
| Expansion | modules hot-add to a live cabinet bus |
| Certifications | UN 38.3 · CE · UL 1973 optional program |
| Warranty | 10-year limited |
EPC programs run on annual frame agreements with white-label cabinet branding; pilot-cabinet sampling takes 15–20 working days, and multi-cabinet sites ship as matched sets on IMDG-documented sea freight.
Program in Production
From the Field
"An 81.92 kWh cabinet behind a 250 kW rooftop array on a food-processing site. Peak demand is down 41% since commissioning, the load profile feeds their EMS over CAN, and the payback model is tracking 5.2 years — the cabinet simply has no bad month."
Get a Factory Quote in 24h
Send your spec — voltage, capacity, application, annual volume. A battery engineer replies with a costed proposal.
