| ABPD | Annual Business Development Plan |
| AI | Artificial Intelligence |
| AICE | Asia Innovation Contracting Est. |
| AMJ | Al Mourjan |
| APREH | ACWA Power Renewable Energy Holdings |
| BAC | Board Audit Committee |
| BDTS | Business Development Technical Services |
| BEC | Board Executive Committee |
| BU | Business Unit |
| BESS | Battery Energy Storage System |
| BIM | Building Information Modelling |
| C-Suite | Top management positions |
| CAGR | Compound Annual Growth Rate |
| CCGT | Combined Cycle Gas Turbine |
| CEO | Chief Executive Officer |
| CFO | Chief Financial Officer |
| CGR | Corporate Governance Regulations |
| CIO | Chief Information Officer |
| CIS | Commonwealth of Independent States: Armenia, Azerbaijan, Belarus, Kazakhstan, Kyrgyzstan, Moldova, Russia, Tajikistan, Uzbekistan |
| CMA | Capital Market Authority |
| COD | Commercial Operation Date |
| CoE | Centre of Excellence |
| COMO | Chief Operations and Maintenance Officer |
| CPMO | Chief Portfolio Management Officer |
| CPCCO | Chief of People, Culture and Communications Officer |
| CSP | Concentrating Solar Power |
| CSR | Corporate Social Responsibility |
| CTO | Chief Technical Officer |
| EBL | Equity Bridge Loans |
| EMO | Executive Management Officer |
| EPC | Engineering, Procurement and Construction |
| EGA | Extraordinary General Assembly |
| Equity LC | Equity Letter of Credit |
| ERM | Environment Risk Management |
| ESG | Environmental, Social and Governance |
| ESIA | Environmental and Social Impact Assessment |
| FC | Financial Close |
| GCC | Gulf Cooperation Council: Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, and the United Arab Emirates |
| GDP | Gross Domestic Product |
| GHG | Greenhouse Gas |
| GRI | Global Reporting Initiative |
| GW | Gigawatt |
| HFO | Heavy Fuel Oil |
| HIWPT | Higher Institute for Water and Power Technologies |
| IA | Investment Agreement |
| ICOD | Initial Commercial Operation Date |
| IFRS | International Financial Reporting Standards |
| IGCC | Integrated Gasification Combined Cycle |
| IoT | Internet of Things |
| IPO | Initial Public Offering |
| IPP | Independent Power Project |
| IWP | Independent Water Project |
| IWPP | Independent Water and Power Project |
| IWSPP | Independent Water, Steam and Power Project |
| JIGCC | Jazan Integrated Gasification Combined Cycle |
| JWAP | Marafiq IWPP |
| KAUST | King Abdullah University of Science and Technology |
| KPI | Key Performance Indicator |
| KSA | Kingdom of Saudi Arabia |
| LNTP | Limited Notice To Proceed |
| LC | Letter of Credit |
| LTIP | Long-Term Incentive Plan |
| LTI rate | Lost Time Incident Rate |
| m3 | Cubic metre |
| MBA | Master of Business Administration |
| MBTU | Million British Thermal Unit |
| MC | Management Committee |
| MCIT | Ministry of Communications and Information Technology |
| MD&A | Management Discussion and Analysis |
| MED | Multiple Effect Distillation |
| MENA | Middle East and North Africa |
| MES | Maintenance Energy Services |
| MIS | Management Information Systems |
| MIT | Massachusetts Institute of Technology |
| ML | Machine Learning |
| MoE | Ministry of Energy |
| MOU | Memorandum Of Understanding |
| MPC | Monitoring and Prediction Centre |
| MSF | Multiple Stage Flash |
| Mt | Metric tonne |
| MVP | Minimum Viable Product |
| NCI | Non-Controlling Interests |
| NGHC | NEOM Green Hydrogen Company |
| NGHP | NEOM Green Hydrogen Project |
| NOMAC | First National Operations & Maintenance Company |
| NPS | Net Promoter Score |
| NRC | Nomination and Remuneration Committee |
| O&M | Operation and Maintenance |
| O&M RD | Operations and Maintenance Regional Director |
| OEM | Original Equipment Manufacturer |
| OHSE | Occupational Health, Safety and Environment |
| OTS | Owner’s Technical Specifications |
| PCCO | People, Culture and Communications Officer |
| PCOD | Project Final Commercial Operation Date |
| PEO | Project Execution Office |
| PGM | Plant General Manager |
| PIF | Public Investment Fund |
| PMRD | Portfolio Management Regional Director |
| POCF | Parent Operating Cashflow |
| PPA | Power Purchase Agreement |
| PPP | Public Private Partnership |
| PPGTA | Power Purchase and Gas Tolling Agreement |
| PV | Photovoltaic |
| PVPP | Photovoltaic Power Purchase |
| PWPA | Power and Water Purchase Agreement |
| QA/QC | Quality Assurance/Quality Control |
| RABEC | Rabigh IPP |
| RAWEC | Petro-Rabigh IWSPP |
| RAWEC Exp | Petro-Rabigh (Phase 2) IWSPP |
| RCA | Root Cause Analysis |
| RDIA | Research Development and Investment Authority |
| REPDO | Renewable Energy Projects Development Office |
| RES | Renewable Energy Sources |
| RMC | Risk Management Committee |
| RO | Reverse Osmosis |
| ROS | Reliability of Supply |
| SABB | Saudi Arabia British Bank |
| SAGIA | Saudi Arabian General Investments Authority |
| SAR/SR | Saudi Arabian Riyal |
| SBDP | Strategic Business Development Plan |
| SDAIA | Saudi Data and Artificial Intelligence Authority |
| SEPCO | Shuaibah Expansion IWP |
| SIBOR | Saudi Arabia Interbank Offered Rate |
| SPA | Sale Purchase Agreement |
| SPC | Specific Power Consumption |
| SPPC | Saudi Power Procurement Company |
| SqWEC | Shuqaiq Water and Electricity Company |
| SRF | Silk Road Fund |
| SRR | Strategic Risk Review |
| STIP | Short-Term Investment Plan |
| SWEC | Shuaibah IWPP |
| SWEC RO | Shuaibah 3 IWP |
| SWRO | Seawater Reverse Osmosis |
| TCFD | Taskforce on Climate-related Financial Disclosures |
| tCO2 | tonne of tCO2 or tonne of tCO2 equivalent, as applicable |
| TIC | Total Investment Cost |
| TRSP | The Red Sea Project |
| UAE | United Arab Emirates: Abu Dhabi, Ajman, Dubai, Fujairah, Ras Al Khaimah, Sharjah, Umm Al Quwain |
| UCLA | University of California, Los Angeles |
| UX | User Experience |
| WECA | Water and Energy Conversion Agreement |
| WETIC | Water and Environment Technologies Company |
| WPA | Water Purchase Agreement |