My UK energy provider says my electricity is produced with 100% renewables, so I presume water, wind, solar. So why am I affected by such big increases in electricity charges (price per kWh)?
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Because renewables cost isn’t instead of non-renewable cost, it’s in addition to it. You always need 100% electricity on the grid or things go bad real quick.
Sun and wind power are intermittent, meaning the sun doesn’t shine all the time and the wind doesn’t blow all the time. This means electricity production from renewable sources are constantly going up and down like stop and go traffic. So at any given time to keep 100% output on the grid you always need to back up renewables with reliable energy that you can scale up or down quickly.
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