Edent,
@Edent@mastodon.social avatar

My home battery has saved us about 1 MEGAWATTHOUR of electricity in less than a year.

Looking at a payback period of under 8 years - depending on what electricity prices do in the meantime.

Combined with solar power and a time-of-day dynamic pricing, this has been a great way to use more of our power locally.

https://botsin.space/@solar/112431524729995323

Edent,
@Edent@mastodon.social avatar

Full blog post coming up later today but, basically, even in rainy London solar + battery is a gamechanger.

Yes, prices are still high (although it is mostly labour costs for panels) and battery capacity could do with being 10x higher - but solar just works.

steve,
@steve@mastodon.nexusuk.org avatar

@Edent I'm on Intelligent Octopus Go, so 7.5p/kwh for electrons overnight... Is PV actually worth it if you have a battery and can charge it at 7.5p/kwh?

Edent,
@Edent@mastodon.social avatar

@steve
Probably. You'll pay 0p when the sun is shining. You'll sell the excess back at 15p/kWh.

tropenfisch,
@tropenfisch@mastodon.green avatar

@Edent
Which battery can deliver 2.5 kWh on 1 day and has a total cost of £ 2500 so it gets paid off @ 8 years* 1000 kWh * 0.31 £/kWh?

Edent,
@Edent@mastodon.social avatar
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