Q. Consider the following:
1. Battery storage
2. Biomass generators
3. Fuel cells
4. Rooftop solar photovoltaic units
How many of the above are considered ‘distributed Energy Resources’?

[A] Only one

[B] Only two

[C] Only three

[D] All four

Answer: D
Notes:

Exp) Option d is the correct answer.

Distributed energy resources are small, modular, energy generation and storage technologies that provide electric capacity or energy where you need it. Typically producing less than 10 megawatts (MW) of power, DER systems can usually be sized

to meet your particular needs and installed on site.

Examples of distributed energy resources that can be installed include:

  • roof top solar photovoltaic units
  • wind generating units
  • battery storage
  • batteries in electric vehicles used to export power back to the grid
  • combined heat and power units, or tri-generation units that also utilise waste heat to provide cooling
  • biomass generators, which are fuelled with waste gas or industrial and agricultural by-products.
  • open and closed cycle gas turbines
  • reciprocating engines (diesel, oil)
  • hydro and mini-hydro schemes
  • fuel cells.

Source: https://www.thehindubusinessline.com/economy/distributed-renewable-energy-a-promising-solution-to-address-rural-power-supply-challenges/article67119288.ece

https://www.aemc.gov.au/energy-system/electricity/electricity-system/distributed-energy-resources#:~:text=Distributed%20energy%20resources%20(DER)%20refers,battery%20storage

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