this post was submitted on 01 Aug 2023
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Base load my friend. We also need steady, reliable, clean power when it's dark and calm. Until we can accomplish seasonal grid storage of renewables, this is the less expensive option.
There are plenty of firming options (battery, pumped hydro, flywheels etc) which deliver reliability for a fraction of the price of this boondoggle. Not to mention a diverse portfolio of renewable technologies spread over a large geographical area is actually quite stable. When the sun isn't shining in one area, the wind may be blowing or the sun shining in another area.
Those can only hold enough power for minutes or hours.
We need to be able to store power from the summer until the winter. Months. We need to store energy from when the sun is shining in July until it's not in December.
The only possible way to do that now is to store it as hydrogen or hydrocarbons. That infrastructure is currently very lossy, expensive, and only hypothetical.
You don't need power storage for months, if you combine different renewable sources and have power lines connecting different areas. Wind and solar complement each other usually.
You need to be able to bridge a few weeks though, because there will be gaps, but you don't need to store solar power for half a year to make it. It is still a big issue, but no need to exaggerate.