Thats what the Brno (a Czech city with ~400 000 thousand inhabitants) does with its trash - its incinerated in a modern incinerator plant, yielding a couple doz

Thats what the Brno (a Czech city with ~400 000 thousand inhabitants) does with its trash - its incinerated in a modern incinerator plant, yielding a couple dozen MW of electricity and enough heat to run the city wide distroct heating system during the summer. During the winter it contributes about 20%.