Table 7 Gross profit calculation for the model 500 kW biogas plant [EUR/a]
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 |
|---|---|---|---|
1. Revenues from feed-in-tariff | 797,600 | 768,739 | 793,586 |
2. Cost of input material, all in | 371,058 | 236,742 | 429,570 |
3. Cost of digestate disposal | 39,425 | 65,735 | 44,611 |
4. Gross profit p.a. | 387,118 | 466,262 | 319,405 |
5. Gross delta profit/(loss) | 0 | 79,144 | (67,713) |
6. Elodea taken on [tFM] | 0 | 6944 | 1031 |
7. Per tonne profit/(loss) (5 ÷ 6) | 0 | 11.40 | − 65.68 |