Building a BESS (Battery Energy Storage System) All-in-One Cabinet involves a multi-step process that requires technical expertise in electrical systems, battery management, thermal management, and safety protocols.
Lack of EV charging specific rates: While utility territories with EV specific rates may be conducive to DCFC deployment, EV specific rates can eliminate the economic feasibility of a BESS system providing demand charge management. Four utilities (including PSCo) have developed rates that are more reflective of the cost of service for DCFC load.
While this improves the business case for DCFC generally, this could threaten the long term financial case for BESS. However, demand charges only become a non-binding constraint at utilization rates of around 30%. 28 Regulatory Risks associated with Demand Charge Rate alternatives are further discussed later.
Based on prior market research, BESS costs can vary from $469/kWh to $2,167/kWh, with shorter duration systems likely to fall toward the high end of this range. High average break-even system costs indicate utility territories where BESS are likely to be financially feasible when deployed to reduce operating costs of DCFC.
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