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Table 8 Gross profit calculation for the model 500 kW biogas plant [EUR/MWh]

From: Using aquatic plant biomass from de-weeding in biogas processes—an economically viable option?

Item Case 1
Maize silage 100%
Case 2
90/10 Maize/Elodea
Case 3
90/10 Maize/Elodea-straw mix
8. Revenues from feed-in-tariff 200 193 199
9. Cost of input material, all in 93 59 108
10. Cost of digestate disposal 10 16 11
11. Gross profit p.a. 97 117 80
12. Gross delta profit/(loss) 0 20 (17)