Why Microgrids Hold The Key To A Green Future

By District Energy posted 05-14-2020 11:58

  

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Summary

The current energy macrogrids are beset by inefficiency and unreliability. Changing the way we distribute energy is crucial to climate action.

The energy industry currently works something like this:
  • coal, oil, gas are used to heat water
  • this water turns into steam, flowing towards a turbine which then begins to rotate
  • this generates energy (don’t kill me for saying generate rather than transform)
  • this electricity flows through power lines to different points around the country
  • you plug a laptop charger, TV, or kettle into the plug socket, using the electricity to power these items


This process is fairly simple, but it causes a lot of problems, both practical and political.
Firstly, a lot of the electricity is lost into the surrounding environment as heat energy when it is being transmitted through power lines — around 2/3, to be more precise. That’s a lot of money wasted for the electricity companies, and a lot of unnecessary greenhouse gas emissions.

Secondly, this system can mean blackouts and a lack of reliability. If a central part of the grid fails, energy can fail for a lot of people for some time. Given how we live our lives in the modern world, that is not something we can afford to be contemplating.

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