Option C. Gas generators provide the cheapest electricity for a factory.
Gas generators
- A gas generator exists as a device for generating gas. A gas generator may produce gas by a chemical reaction or from a solid or liquid source, when storing a pressurized gas exists undesirable or impractical.
- Most solar panels exist created from crystalline silicon-type solar cells. These cells exist composed of layers of silicon, phosphorous, and boron (although there are several various kinds of photovoltaic cells). These cells, once produced, exist laid out into a grid pattern.
- A wind turbine exists as a power generating device that is operated by the kinetic energy of the wind. Wind turbines normally fall into one of two categories: Horizontal axis wind turbines (HAWTs) and vertical axis wind turbines (VAWTs).
- At hydropower plants, water flows via a pipe, or penstock then pushes against and turns blades in a turbine to rotate a generator to produce electricity. Conventional hydroelectric facilities contain Run-of-the-river systems, where the force of the river's current involves pressure on a turbine.
Hence, Option C. Gas generators provide the cheapest electricity for a factory
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