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In a storage context, quoting a price per kwh is somewhat ambiguous. Does it cost an additional $103 every time 1 kwh i stored, or does 1 kwh of capacity cost $
by Tarrosion 12y ago
In a storage context, quoting a price per kwh is somewhat ambiguous. Does it cost an additional $103 every time 1 kwh i stored, or does 1 kwh of capacity cost $103 with a per-usage cost of ~$0?
There's probably a standard interpretation, but it's not obvious to a lay reader like me.
- ghshephard 12y agoSomewhere in the middle - the capital costs are $103/kWh - So, if you want to store 1 MWatt for 1 hour (Large Solar / Wind plant with variable sun/wind, and fixed size upstream transmission), it will cost you $103,000 fixed costs. OpEx is a function of maintenance, operation, life time, and duty-cycle of the plant.