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Use case: Reduce 60% of the company's energy costs with ChargingLedger

Charging Intelligence for Businesses

Problem

It is difficult for most companies to cut down on their heating and lighting to make their business more efficient. At the same time, EV charging has a strong impact on a company's demand charge and can cause above average electric costs at the end of the month.

If a company decides to install 10 charging stations for their own fleet, for customers, or employees, the peak-kilowatt can easily increase by 80kW.  With the usual commercial energy rate, the company pays $18 per kW (demand charge). This could cause $1,440 monthly costs only for the demand charge (excl. consumption).

Product used

  • Managed charging for companies

  • Load shifting and load reduction 

Benefit

  • Reduce peak-kilowatt (kW) and demand charges

  • Avoid above-average energy costs

  • Install more EV charger without risks

Integration ChargingLedgerWe have developed various optimization methods for ChargingLedger, each of which caters to a specific use case. These methods were developed using mathematical optimization, heuristics and machine learning to analyze user data and energy data. This includes historical data such as base loads from your building as well as user patterns from connected charging stations. The software then uses real-time data such as current power demand and number of connected charging stations to develop an optimized charging cycle for each vehicle.

Benefits for consumers and utility

The company benefits from affordable and reliable charging. The optimized cycle results in reducing the loads or shifting the load to off-peak times and lowers the total cost incurred by charging. 

With a moderate load management optimization:

  • ChargingLedger reduces the peak-kilowatt to 32kW, which results in a demand charge to $576 monthly.

  • The company cuts 60% of its demand charge (equal to $864 savings).

  • Additionally, this prevents the requirement of a new grid connection.

 

 

To ensure that the charging time is convenient for the user, we include availability pattern of the cars. This means we don't shift charging cycles to time-lots where vehicles are usually not connected to an EVSE

Costs driver for companies when supporting EV charging

For businesses, a significant portion of the monthly energy bill is related to electricity demand charges. The demand charge is typically calculated by the greatest amount of power during your billing cycle. This reported peak-kilowatt (kW) level is then multiplied by a specific rate, which determines your demand charges. 

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