LCOS-Kosten der Energiespeicherung
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What is the levelized cost of Energy Storage (LCOS)?
PSH and CAES are low-cost technologies for short-term energy storage. PtG technologies will be more cost efficient for long-term energy storage. LCOS for battery technologies can reach about 20 €ct/kWh in the future. This paper presents a detailed analysis of the levelized cost of storage (LCOS) for different electricity storage technologies.
How does the cost of electricity affect LCoS?
LCOS of the short-term storage system at 365 cycles per year and a varying electricity cost. The lowest impact of the cost of electricity can be observed regarding the dCAES system: If the cost of electricity is 5 €ct/kWh the LCOS increases by only about 3 ct/kWh.
What is the LCoS method for electricity-to-electricity storage?
The LCOS method allows a quick comparison of the cost of electricity-to-electricity storage technologies. However, the cost per kWh is not always the optimal unit for expressing the value of the storage application’s service.
How much does a LCoS cost?
Results show that the LCOS for a 25MW/125MWh LAES system is in the range 191-590 £/MWh, depending on different round-trip efficiencies and different costs set in three scenarios. If the round-trip efficiency is assumed to be 60%, the LCOS would in the range 191-294 £/MWh under the three scenarios. Content may be subject to copyright. scenarios.
What is the LCoS share attributed to charging cost?
The LCOS share attributed to charging cost is 4% averaged across technologies and discharge and frequency combinations (9% across the 12 modeled applications). A 10-fold increase in electricity price from 50 to 500 US$/MWh increases the relative importance of round-trip efficiency.
Which energy storage technology has the lowest LCoS?
The results for the long-term storage show that Pumped-Storage Hydroelectricity has the lowest LCOS among the mature technologies today. Power to Gas technologies, once established on the market, may also provide long-term electricity storage at even lower LCOS.