It's been a while since I have read up on Open Source Ecology, but my memory is that modular power unit is a stand in for several options. One option is the pow

It's been a while since I have read up on Open Source Ecology, but my memory is that modular power unit is a stand in for several options. One option is the power cube, which is a gas engine: https://opensourceecology.dozuki.com/c/PowerCube https://opensourceecology.dozuki.com/c/PowerCube I believe that the creator of the project uses these, and has said that there are alternatives in case gas is not available.