Critical_Insight@feddit.uk to Mildly Infuriating@lemmy.worldEnglish · edit-211 months agoPrice of electricity in Finland peaks at 2.35€/kWh today. Keeping my tiny granny cottage warm costs me over 50 euros for a single day. It's negative 25C (-13F) outside.i.imgur.comexternal-linkmessage-square293fedilinkarrow-up1859arrow-down112file-text
arrow-up1847arrow-down1external-linkPrice of electricity in Finland peaks at 2.35€/kWh today. Keeping my tiny granny cottage warm costs me over 50 euros for a single day. It's negative 25C (-13F) outside.i.imgur.comCritical_Insight@feddit.uk to Mildly Infuriating@lemmy.worldEnglish · edit-211 months agomessage-square293fedilinkfile-text
That massive spike of 50c/kWh at the left looks tiny compared to today even though that’s already insanely expensive
minus-squareredfellowlinkfedilinkEnglisharrow-up3arrow-down1·11 months agoThe math has been done multiple times. The batteries don’t pay themselves back, and also need to be replaced from time to time.
minus-squareHeartyBeast@kbin.sociallinkfedilinkarrow-up3arrow-down1·11 months agoSure. But the math depends on electricity tariffs. And those change and therefore, so does the maths. it sounds like tariffs are pretty extreme currently
minus-squarepsud@lemmy.worldlinkfedilinkEnglisharrow-up1arrow-down1·11 months agoBatteries on a plan like that, where they’re part of a large virtual battery, do pay for themselves within warranty Solar batteries never do. To rationally buy a battery one needs to put high value on backup power
The math has been done multiple times. The batteries don’t pay themselves back, and also need to be replaced from time to time.
Sure. But the math depends on electricity tariffs. And those change and therefore, so does the maths. it sounds like tariffs are pretty extreme currently
Batteries on a plan like that, where they’re part of a large virtual battery, do pay for themselves within warranty
Solar batteries never do. To rationally buy a battery one needs to put high value on backup power