vinyl@lemmy.world to Microblog Memes@lemmy.worldEnglish · 2 days agooh no! think of the stock market!lemmy.worldimagemessage-square371fedilinkarrow-up11.68Karrow-down179
arrow-up11.6Karrow-down1imageoh no! think of the stock market!lemmy.worldvinyl@lemmy.world to Microblog Memes@lemmy.worldEnglish · 2 days agomessage-square371fedilink
minus-squareUrPartnerInCrimelinkfedilinkEnglisharrow-up3arrow-down1·5 hours ago2 giant lakes. 1 uphill from the other, or one underground. When there’s excess energy you pump water uphill. When you need more you let it back down
minus-squarerockerface 🇺🇦@lemm.eelinkfedilinkEnglisharrow-up3·4 hours agoThere’s a lake in the UK that does this
minus-squareserendepity@lemmy.worldlinkfedilinkEnglisharrow-up2·3 hours agoWe can use Niagara Falls for that!
minus-squareCorkyskoglinkfedilinkEnglisharrow-up1·5 hours agoHow efficient is making hydrogen? If you don’t need a huge facility, it might be easier to just store it that way, so you don’t need giant lakes everywhere.
minus-squareTayb@lemmy.worldlinkfedilinkEnglisharrow-up2·2 hours agoLess efficient than pumped hydro. Appears to be about 40% for green hydrogen in the round trip vs 80% for pumped hydro with a quick google search.
minus-squareCorkyskoglinkfedilinkEnglisharrow-up1·1 hour agoI am curious what’s involved in the “round trip”? Do you mean to fuel other machines directly with hydrogen?
2 giant lakes. 1 uphill from the other, or one underground. When there’s excess energy you pump water uphill. When you need more you let it back down
There’s a lake in the UK that does this
We can use Niagara Falls for that!
How efficient is making hydrogen? If you don’t need a huge facility, it might be easier to just store it that way, so you don’t need giant lakes everywhere.
Less efficient than pumped hydro. Appears to be about 40% for green hydrogen in the round trip vs 80% for pumped hydro with a quick google search.
I am curious what’s involved in the “round trip”? Do you mean to fuel other machines directly with hydrogen?