If Demand Charges make up more than 1/3 of an energy bill, there is likely a case for DEMAND CHARGE REDUCTION using a Sponge Controlled Battery.

How to Calculate Demand Charge Ratio on a Hydro One Bill 

(4) Electricity + (5) Global Adjustment = Energy Charges (kWh – volume of energy consumed)

(6) Delivery = Demand Charges (kW – maximum power consumed) 

So for this example…

Energy Charges = $363.20 + $1,812.12 = $2,175.32

Demand Charges = $1,582.88

Demand Charge : Energy Charge Ratio = $1,582.88/$2,175.32 = 42%

At this site, demand charges make up 42% of the electricity bill. 

A Sponge-controlled battery has the potential to significantly reduce this energy bill. HOW? 

Sponge will intelligently deploy your battery targeting a maximum power threshold for your facility’s energy demands. By ensuring that you maintain a reduced power threshold, we lower your bill. 

What’s the Next Step? 

Why is Demand Charge Reduction an Important Distributed Energy Resource Strategy?

Demand-related charges (kW) in HydroOne territories have increased by an average of 5% Year-over-Year in the last 5 years. In contrast, Volume-based charges (kWh) have shown moderate decline over the last 5 years, and are predicted to only rise at a continuous rate of 2%-3% a year. See our analysis here. 

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Steady rises in Demand Charges make batteries a strong hedging investment.

  • Solar alone cannot respond to sudden demand peaks. 
    • Solar can be used to charge batteries which can be used to reduce demand peaks limiting risk to savvy businesses. 
    • Sponge is the unique battery control solution, custom tailored for the Ontario market that makes this hedge possible. 
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To learn more about Hydro One’s Commercial Billing Structures you can click this link to view their official website