The Colombo South Waste Processing Facility (also referred to as the Karadiyana W2E Project or Karadiyana Power Station) is a municipal solid waste-fired thermal power station currently under construction at a 10-acre (40,000 m2) site in Karadiyana, Sri Lanka.

Together with the KCHT Power Station, it is one of two projects that won the bid by the Urban Development Authority,[1] from a pool of 121 bidders.

Construction of the facility began on 23 August 2017[2] with a completion slated for mid-2019.

It will use 500 metric tons (1,100,000 lb) of waste, with the generated power sold to the state-owned Ceylon Electricity Board at a rate of Rs.

The residual bottom ash from the process will be used for road construction and other uses, while the unusable fly ash (amounting to 2%) will be disposed of at predesignated locations.