The Public Utilities Commission of Sri Lanka (abbreviated PUCSL) (Sinhala: ශ්‍රී ලංකා මහජන උපයෝගිතා කොමිෂන් සභාව Śrī Laṃkā mahajana upayōgithā komishan sabhāwa; Tamil: இலங்கைப் பொதுப் பயன்பாடுகள் ஆணைக்குழ) is the government entity responsible for policy formulation and regulation of the electric power distribution, water supply, petroleum resources, and other public utilities in Sri Lanka.

[2] The PUCSL was established by the Public Utilities Commission of Sri Lanka Act, No.

35 of 2002, and has authority for the execution of its duties through this Act, as well as through those established for organizations, agencies and corporations involved in providing public utilities in the country.

[3] The commission has recently been assigned the task of producing Sri Lanka's long-term power generation plan in the middle of power shortages and an impending energy crisis in the country- the Electricity Supply 2020 and Beyond report has been the subject of minor controversy, with unionized employees of the Ceylon Electricity Board in particular taking issue with it.

[5][6][7] The Director General and Secretary to the Commission both report directly to the commission, with the latter having oversight of the PUCSL's legal affairs department and internal auditor, while the director general has direct oversight of:[8] The main departments of the commission are controlled through the deputy director general[8] - The Consumer Consultative Committee (CCC) was established under section 29 of the PUCSL Act, in order to act as a forum for the representation of the general public and small industry within the commission and the broader utilities sector, and thus prevent the government and larger industry from dominating policy and regulation.