3 ms·
https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2811038 https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2811038 >Based on the 2014 German hourly feed-i
by bobcostas55 7y ago
https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2811038 https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2811038
>Based on the 2014 German hourly feed-in and consumption data for electric power, this paper studies the storage and buffering needs resulting from the volatility of wind and solar energy, focusing on a “double-structure-cum-storage strategy”. While buffering wind and solar energy jointly requires less storage capacity than buffering them separately, joint buffering requires a storage capacity of over 6,000 pumped-storage plants, which is 183 times Germany’s current capacity.
>Buffering the overshooting production spikes associated with a market share of wind and solar of 50% would require an ideal, frictionless storage volume of 2.5 TWh or a storage capacity of 2.1 TWh in ordinary pumped-storage plants. This is about seven times the entire pumpedstorage capacity currently available in western Europe, including Norway and Switzerland; and 81% of the volume that the EU’s ESTORAGE project considers as “realisable” in western Europe.
Pumped storage is not a practical solution.
- timerol 7y agoPumped storage is not a total solution. But in the areas where it works, it works very well and cheaply. Do pumped storage everywhere you can, and fill in everywhere you can't with other options. By the time we get close to fully intermittent energy sources, pumped storage won't be nearly enough. But while we still have peaker natural gas plants around, every pumped storage site helps reduce emissions.