How ESS Cuts Peak Demand Charges
XGW Digital Technology (Shenzhen) Co., Ltd. is a China-based manufacturer of Energy Storage & Battery Solutions — telecom batteries, UPS lithium batteries, residential and commercial & industrial ESS. Demand charges can be 30-50% of a commercial bill; ESS attacks the peak directly.
How It Works
The battery discharges during the monthly peak 15-minute window, clipping the demand spike.
Sizing the Clip
Size power to the target peak and energy to hold through the window.
Value
One clipped peak can cut the whole month's demand charge.
Caution
Needs accurate load forecasting; XGW EMS models the site tariff.
What is a demand charge?
A fee based on the highest 15-minute power draw in the billing period.
Does ESS always beat the cost?
Where demand charges are high and predictable, yes.
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