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by cesarb
590 days ago
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Depending on your energy mix, you can go much further than 20% solar before needing storage. What's actually necessary is not storage, but generation which can ramp down and ramp up fast enough to compensate for the predictable daily ramps of solar generation (on top of the daily power use ramps). AFAIK, hydroelectric is one of the fastest (so much that pumped hydroelectric power plants can be used as storage), while coal and nuclear are among the slowest. |
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