| AC | Air conditioner |
| ADB | Asian Development Bank |
| AEDP | Alternative Energy Development Plan |
| ASEAN | Association of Southeast Asian Nations |
| BAU | Business-as-usual |
| BEF | Building energy code |
| BNEF | BloombergNEF |
| BOI | Board of Investment |
| BOT | Bank of Thailand |
| CASE | Clean, Affordable and Secure Energy for Southeast Asia |
| CBI | Climate Bonds Initiative |
| CCUS | Carbon capture, utilisation and storage |
| CEFIM | Clean Energy Finance and Investment Mobilisation |
| CO2-eq | Carbon dioxide-equivalent |
| COD | Commercial Operation Date |
| COE | Council of Engineers Thailand |
| DNSH | Do No Significant Harm |
| CSO | Civil society organisation |
| DC | District cooling |
| DEDE | Department of Alternative Energy Development and Efficiency |
| DFI | Development finance institution |
| DSD | Department of Skill Development |
| DSM | Demand side management |
| ECP | Energy Conservation Promotion |
| EE | Energy efficiency |
| EGAT | Electricity Generating Authority of Thailand |
| EEP | Energy Efficiency Plan |
| EERF | Energy Efficiency Revolving Fund |
| EETL | Energy Efficient Technology List |
| EI | Energy intensity |
| EMDE | Emerging market and developing economy |
| ENCON | Energy Conservation Promotion |
| EPC | Energy Policy Committee |
| EPOC | Environment Policy Committee |
| EPPO | Energy Policy and Planning Office |
| ERC | Energy Regulatory Commission of Thailand |
| ESCO | Energy service company |
| ESG | Environmental, social and governance |
| ESI | Energy saving insurance |
| EU | European Union |
| FEC | Final energy consumption |
| FiT | Feed‑in-tariff |
| gCO2e/kWh | Grams of carbon dioxide equivalent per kilowatt-hour of electricity generated |
| GHG | Greenhouse gas |
| GSS | Green, social, and sustainability |
| GTFS | Green Technology Financing Scheme |
| GW | Gigawatt |
| GWh | Gigawatt hours |
| HVAC | Heating Ventilation and Air Conditioning |
| ICMA | International Capital Market Association |
| IEA | International Energy Agency |
| IIP | Independent Power Producers |
| KBank | Kasikornbank |
| Ktoe | Tonnes of oil equivalent (ktoe) |
| kWh | Kilowatt-hour |
| LCOE | Levelised cost of electricity |
| LT-LEDS | Long-Term Low Emissions Development Strategy |
| M-T | Medium-term |
| MDB | Multilateral development bank |
| M&V | Measurement and verification |
| MEA | Metropolitan Electricity Authority |
| MEPS | Minimum energy performance standards |
| MOEN | Ministry of Energy |
| MOF | Ministry of Finance |
| MOIN | Ministry of Industry |
| MONRE | Ministry of Natural Resources and Environment |
| MSMEs | Micro, Small and Medium Enterprises |
| Mt | Million tonnes |
| MW | Megawatts |
| NEP | National Energy Plan |
| NEPC | National Energy Policy Council |
| NDC | Nationally Determined Contribution |
| OBF | On-bill financing |
| OECD | Organisation for Economic Co-operation and Development |
| OIC | Office of Insurance Commission |
| PAYG | Pay-as-you-go |
| PDP | Power Development Plan |
| PEA | Provincial Electricity Authority |
| PPA | Power purchase agreement |
| PV | Photovoltaic |
| PAYG | Pay-As-You-Go |
| RE | Renewable energy |
| R&D | Research and development |
| S-T | Short-term |
| SEC | Securities and Exchange Commission |
| SET | Stock Exchange of Thailand |
| SHS | Solar home system |
| SPP | Small Power Producer |
| SPV | Special Purpose Vehicle |
| TBA | Thai Bankers’ Association |
| TGC | Thai Credit Guarantee Corporation |
| THB | Thai Baht |
| TPQI | Thailand Professional Qualification Institute |
| TWh | Terawatt-hours |
| UGT | Utility Green Tariff |
| USD | United States dollar |
| VSPP | Very Small Power Producer |
| WPFIEG | Working Party on Finance and Investment for Environmental Goals |
Clean Energy Finance and Investment Roadmap of Thailand
