smartass. the calculation was made with 0,31 usd/kwh. That is German standard and most countries will be lower than that.
And, just for the fun of it: with 0,15 usd/kwh which would be an US standard you get your ROI after 1 year.
And, just for the fun of it: with 0,15 usd/kwh which would be an US standard you get your ROI after 1 year.
Current price in Norway is $0.064 and Iceland is even lower: $0.0187
