HEYNOLD Biogas Plant
| Location | Germany |
| Construction Period | 1986 |
| Input | Manure, straw |
| Fermenter | Steel tank, 60 m3 |
| Gas utilization | Gas engine, 15 kWel |
| Specials | Digester, gas holder above 400 m3-manure storage tank |
| Responsibility | Construction, installation, start-up |