Application
Battery systems discharge during demand peaks to reduce grid demand charges for factories and commercial sites.
Solution
Peak Shaving
Battery systems discharge during demand peaks to reduce grid demand charges for factories and commercial sites.
Project lens
Sunket Supply scope
Product supply, inverter matching, European warehouse coordination and project-scoped support.
Best fit
Commercial and industrial buyers, installers and distributors planning energy projects in Europe.
The challenge
The cost of demand peaks
On commercial tariffs, a few minutes of peak demand can set the demand charge for the whole month.
Short load spikes from machines, compressors or chargers inflate the monthly demand (kW) charge.
Demand charges can be a large share of an industrial electricity bill, independent of total consumption.
Grid connection upgrades to handle peaks are slow and expensive.
How it works
How peak shaving works
The battery discharges precisely during demand peaks and recharges off-peak.
- 01
Load monitoring
The EMS/HEMS continuously measures site demand against your target threshold.
- 02
Peak detected
When demand approaches the configured limit, the C&I hybrid inverter discharges according to the approved site logic and available control permissions.
- 03
Battery covers the spike
The storage system supplies the peak within the battery, inverter and grid-connection limits set for the project.
- 04
Off-peak recharge
The battery recharges from the grid or PV during low-tariff periods.
Design references
System specifications
01Site-specificpeak-shaving controls
02261 kWhHithium battery cabinet
0363–125 kWexternal Growatt hybrid-inverter option
Product specifications are indicative for the Hithium 261 kWh C&I storage class. Final equipment, operating functions and project outcomes depend on the selected architecture, model and firmware, available interfaces, site design, tariff and local grid requirements, and are confirmed in the project quote.
Sunket Supply scope
What Sunket Supply supplies
Reference equipment
A practical, project-matched equipment stack
The final architecture may use an integrated Hithium PCS or the confirmed-compatible Hithium DC cabinet and Growatt WIT hybrid-inverter route. Equipment is selected against the site design.
261 kWh liquid-cooled DC battery cabinetHithium 261 kWh DC CabinetView product range
63–125 kW three-phase C&I hybrid inverter rangeGrowatt WIT 63–125K-XHUView product rangeExact model, firmware, interfaces, available quantity, dispatch warehouse and delivery timing are confirmed in the project quotation.
C&I battery system
Hithium 261kWh liquid-cooled storage architecture selected and scaled against interval load data.
C&I hybrid inverter
Growatt WIT three-phase C&I hybrid inverter selected for the battery, site power and grid-connection design.
EMS configuration
Threshold setup and monitored data points, subject to the selected interfaces and control permissions.
FAQ
Frequently asked
How much can peak shaving save?
Savings depend on your tariff and load profile. Sites with sharp, predictable peaks typically cut demand charges most. We model your case from interval meter data before quoting.
Do I need solar for peak shaving?
No. Peak shaving works with a grid-charged battery alone, and can be combined with PV for additional savings.
What payback can I expect?
It depends on your demand-charge rate, peak profile and any price-arbitrage spread. We run a site-specific ROI calculation from your tariff and interval data before quoting.
Request a project-specific quote
Share your site profile and Sunket Supply returns a tailored, priced quote within 24 hours, with product availability and delivery scope confirmed.