New Delhi, Aug. 10 -- India's top energy efficiency agency is preparing a new standard to evaluate the performance of green hydrogen electrolysers, said two people directly involved in the matter, as the nation pursues a mix of fuels for its clean energy transition.

This will the first such standard by Bureau of Energy Efficiency (BIS) for assessing electrolyser efficiency in India and applies to three key electrolyser technologies used in the country-alkaline water, proton exchange and anion exchange membrane electrolysers.

"The standard does not replace any existing ones, because none existed in this category before," said the first of the two persons cited above. "It fills a long-standing gap by offering a uniform benchmark for measu...