Renewables solves this.
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Gas power generation is a necessary evil to balance out the variability of intermittent energy generation (i.e. wind and solar).
Hydropower isn't a feasible alternative because the easy resources have been developed.
The only alternative source of flexibility available today is demand side response.
Edit: I appreciate the down votes, as I've not explained in detail. It is a complex issue. My opinions are based on having a phd in the topic, 10+ years in control rooms, years of market operations and design, and years contributing to europe-wide risk assessment methodologies.
I emplore anyone who is actually interested in how energy mix actually impacts grid stability/reliability to look into the Eirgrid DS3 programme (https://www.eirgrid.ie/ds3-programme-delivering-secure-susta...).
How can I find the price of battery storage, per kWh delivered to the customer, assuming a pure wind/solar/battery grid?
I can easily find the price per kWh of battery capacity but that's not the same thing. I'm looking for the effective levelized cost of electricity, over the lifetime of the battery, so I can compare against generation sources.