Savings after 12 month was 700 MWh.
We have calculated the savings to about 600 MWh. so that is good.

With a cost prize about 300,-Dk.kr. per MWh. the savings is about 210.000,-Dk.kr. for year no. 1

Savings on CO2 outlet.
1 MWh. = 3.6 GJ
When naturegas is turn over to heating, it makes a CO2 outlet on 57 Kg. per GJ.

First the 700 MWh. is changes to GJ / 2,520 GJ = 700 x 3.6 GJ

Savings on CO2 outlet the first year / 144 tons
143,640 Kg. = 2,520 GJ x 57 Kg.