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

Entrada de combustível
Build Cost

You need to underclock: 1 Coal-Powered Generator at 33,333%.

Entrada de combustível
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Build Cost

You need to underclock: 1 Fuel-Powered Generator at 40%.

Entrada de combustível

You need to underclock: 1 Central Nuclear at 4%.

Entrada de combustível
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