Chemistry

General Science (CDS)

Title

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Indian Economy - Understanding the basics of Indian economic system

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”?

This questions was previously asked in

UPSC CSP GS Previous Year Paper 2024

Only one

Only two

Only three

All four

All four.

Distributed energy resources (DER) refers to often smaller generation units that are located on the consumer’s side of the meter.
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.