There are a total 21 municipal solid waste (MSW) incineration based waste to energy (WtE) plants operational in 10 states/UTs , stated the report filed by the Central Pollution Control Board (CPCB), April 15, 2025.

26 states/UTs have reported that no municipal solid waste (MSW) incineration-based waste to energy plants are operational in their jurisdiction.

Order of the National Green Tribunal in the matter of News Item titled "MCD’s First Engineered Landfill Opens" appearing in The Times of India dated 13.03.2024 dated 10/12/2024.

The NGT, December 10, 2024 directed Delhi Pollution Control Committee (DPCC) to place the guideline regarding utilization of ash-based products from Waste to Energy Plants in Delhi before the court in a week's time. DPCC on December 9, 2024 had issued directions under Section 5 of the Environment (Protection) Act, 1986 for use of ash based products. The matter would be next heard on April 4, 2025.

Action taken report on behalf of Delhi Cantonment Board dated 05/12/2023. The matter related to management of municipal solid waste generated within Delhi Cantonment area.

Order of the Supreme Court in the matter of Ravinder Chanana & Others Vs State of Delhi, Delhi Secretariat Chief Secretary & Others dated 05/04/2023.

The matter related to expansion of the capacity of the waste to energy plant at Okhla from 23 MW to 40 MW.

Order of the National Green Tribunal in the matter of Amit Kumar Mittal Vs State of Punjab dated 20/02/2023.

The grievance was that there was illegal dumping of fly ash in open space and near pond by M/s Sukhbir Agro Energy Limited, village Sedha Singh Wala, tehsil Jaitu, district Faridkot, Punjab who is making electricity by burning stubble in violation of environmental norms and causing air and water pollution resulting in nuisance to people at large as well as causing damage to the environment and drinking water of the canal.