Price comparison of featured energy storage systems

What is the cost of a stand-alone energy storage system?

The total cost of a stand-alone utility-scale energy storage system with a power rating of P(kW) and storage duration H(hrs) can be calculated using the equation: Total System Cost = $311.28*P + $300.24*P*H, with an R squared value of 99.8.

Which energy storage technologies are included in the 2020 cost and performance assessment?

The 2020 Cost and Performance Assessment provided installed costs for six energy storage technologies: lithium-ion (Li-ion) batteries, lead-acid batteries, vanadium redox flow batteries, pumped storage hydro, compressed-air energy storage, and hydrogen energy storage.

What is the complexity of the energy storage review?

The complexity of the review is based on the analysis of 250+ Information resources. Various types of energy storage systems are included in the review. Technical solutions are associated with process challenges, such as the integration of energy storage systems. Various application domains are considered.

What are the energy storage capacity ratings in?

All energy storage capacity ratings mentioned in this report are in DC. It should be noted that the interconnection capacity of all these systems is assumed to be equal to the total AC capacity of the system.

How much does a 600 kW energy storage system cost?

Figure 19 shows the resulting costs in nameplate and usable capacity ($/kWh ) for 600-kW Li-ion energy storage systems. The costs vary from $481/kWh-usable (4-hour duration) to $2,154/kWh-usable (0.5-hour duration).

How long does an energy storage system last?

The 2020 Cost and Performance Assessment analyzed energy storage systems from 2 to 10 hours. The 2022 Cost and Performance Assessment analyzes storage system at additional 24- and 100-hour durations.