At $1000/kW-hr it’s (just barely) not worth even buying batteries to shift energy from daytime generation to night consumption, while at $700/kW-hr it definitely is worthwhile.
Doesn’t this depend heavily on local utility rates, and so any discussion of crossover points should include rates? Ex: I’m at $0.33/kWh while a friend in TX is at half that.
Yes, it definitely does depend upon local conditions. For example if your grid operator uses net metering (and is reliable) then it is not worthwhile at any positive price. This statement was in regard to my disputed upstream comment “Even now at $1000/kW-hr retail it’s almost cost-effective here [...]”.
It would be helpful to see a calculation with your rates, the installed cost of batteries, cost of the space taken up, losses in the batteries and convertor, any cost of maintenance, lifetime of batteries, and cost (or benefit) of disposal.
Doesn’t this depend heavily on local utility rates, and so any discussion of crossover points should include rates? Ex: I’m at $0.33/kWh while a friend in TX is at half that.
Yes, it definitely does depend upon local conditions. For example if your grid operator uses net metering (and is reliable) then it is not worthwhile at any positive price. This statement was in regard to my disputed upstream comment “Even now at $1000/kW-hr retail it’s almost cost-effective here [...]”.
It would be helpful to see a calculation with your rates, the installed cost of batteries, cost of the space taken up, losses in the batteries and convertor, any cost of maintenance, lifetime of batteries, and cost (or benefit) of disposal.