The steam engine could generate power and transmit it to the machine
It was the first light bulb ever created but not like the modern ones that we have today.
First oil well ever in the US to produce both oil and gas in sufficient quantities which make it economically viable
Its job was to sustain an electrical current.
Same as the lamps that we have today just not as modern.
The first automobile was a one cylinder two stroke cycle.
The hoover damn was open to the public
The discovery of nuclear fission was the main process to generating nuclear energy.
The first silicon solar cell invented was an electrical device that converts the energy of light directly into electricity.
It absorb the sunlight as a source of energy to generate electricity or heat.