You need to underclock: 1 Incinerador de Biomasa at 33,333%.

Entrada de combustible
Build Cost

You need to underclock: 1 Generador de carbón at 33,333%.

Entrada de combustible
Carga Suplementaria
Build Cost
Entrada de combustible

You need to underclock: 1 Central nuclear at 40%.

Entrada de combustible
Carga Suplementaria