亚太经社会成员和准成员

The Economic and Social Commission for Asia and the Pacific (ESCAP) is the most inclusiveintergovernmental platform in the Asia-Pacific region. The Commission promotes cooperationamong its 53 member States and 9 associate members in pursuit of solutions to sustainabledevelopment challenges. ESCAP is one of the five regional commissions of the United Nations. The ESCAP secretariat supports inclusive, resilient and sustainable development in the regionbygenerating action-oriented knowledge,and by providing technical assistance andcapacity-building services in support of national development objectives, regional agreementsand the implementation of the 2030 Agenda for Sustainable Development. OPPORTUNITIES FOR EXPANDINGTHE MEDIUM-SCALE ROOFTOP SOLARPHOTOVOLTAIC SECTOR IN CAMBODIA United Nations publicationCopyright © United Nations 2025All rights reservedESCAP / 9-TR / 47 This publication may be reproduced in whole or in part for educational or non-profit purposes without specialpermission from the copyright holder, provided that the source is acknowledged. The ESCAP Publications Office wouldappreciate receiving a copy of any publication that uses this publication as a source. No use may be made of this publication for resale or any other commercial purpose whatsoever without priorpermission. Applications for such permission, with a statement of the purpose and extent of reproduction, should beaddressed to the Secretary of the Publications Board, United Nations, New York. The designations employed and the presentation of material do not imply the expression of any opinion whatsoeveron the part of the Secretariat of the United Nations concerning the legal status of any country, territory, city or area orof its authorities, or concerning the delimitation of its frontiers or boundaries. Mention of any firm, product, service or licensed process does not imply endorsement or criticism by the United Nations. Contents List of figures....................................................................................................iiiList of tables.....................................................................................................ivAbbreviations.....................................................................................................vExecutive summary............................................................................................11.Introduction..................................................................................................32.Overview of energy sector in Cambodia.........................................................43.Cambodian energy agencies and energy policies...........................................94.Energy consumers in Cambodia..................................................................13Industrial sector................................................................................................................................................14Commercial sector...........................................................................................................................................15Residential sector.............................................................................................................................................165.Solar PV market..........................................................................................176.Solar PV financing models..........................................................................227.Deploying rooftop solar in Cambodia...........................................................24Garment factory...............................................................................................................................................24Private hospital.................................................................................................................................................27Office building..................................................................................................................................................298.Options to strategically unlock rooftop solar...............................................329.Conclusions................................................................................................33 Annexes I. Other policies in Cambodia’s energy sector..................................................................................................34II. Garment factory - simulation and financial model of the PV system..........................................................35III. Private hospital - simulation and financial model of PV system.................................................................38IV. Office building - simulation and financial model of PV system...................................................................40 List of figures Figure 1.Electricity supply, by sources, 2024.........................................................................................