NEW DELHI, June 7 -- The Approved List of Models and Manufacturers (ALMM) requirement for solar cells took effect on 1 June, mandating the use of domestically manufactured cells in government-backed and large-scale projects. The move comes despite industry requests for a deferment.

Mint examines its implications for India's energy transition, solar supply chain and power costs.

The Approved List of Models and Manufacturers-II (ALMM-II) specifies the solar cell models and manufacturers eligible to supply to grid-scale renewable energy projects, projects set up under government schemes, and net-metered or open-access projects connected to the grid.

Projects commissioned after 1 June must use domestically manufactured solar cells sourced ...