| Term | Definition | |
|---|---|---|
| ACE | Affordable Clean Energy. | Regulatory Environment |
| ACGR | Annual Compound Growth Rate. | Comparative Results and Awards |
| ANEEL | Agência Nacional de Energia Elétrica (National Electrical Energy Agency). | Networks Manufactured Capital |
| CDE | Cuenta de Desarrollo Energético (Energy Development Account). | Regulatory Environment |
| CEF | Corporate Environmental Footprint. | Natural Capital |
| CEO | Chief Executive Officer. | Iberdrola, a Different Company Comparative Results and Awards |
| CFE | Comisión Federal de Electricidad (Federal Electricity Commission). | Regulatory Environment Risks |
| CNMV | Comisión Nacional del Mercado de Valores (National Securities Market Commission). | Corporate Governance Model |
| COSO | Committee of Sponsoring Organizations of the Treadway (Internal Control System). | Corporate Governance Model |
| CPP | Clean Power Plan. | Regulatory Environment |
| EBITDA | Earnings Before Interests, Taxes, Depreciations and Amortizations. | Company Performance Key Figues Business Model Strategic Foundations for 2018-2022 Comparative Results and Awards Networks Wholesale and Retail Renewables Financial Capital Regulatory Environment |
| EPA | Environmental Protection Agency. | Regulatory Environment |
| EPD | Environmental Product Declaration. | Natural Capital |
| ERM | Entreprise Risk Management. | Risks |
| EU | European Union. | The Future of Energy Regulatory Environment Wholesale and Retail Financial Capital Three Lines of Defence |
| FFO | Funds from operations. | Key Figues Iberdrola, a Different Company Strategic Foundations for 2018-2022 |
| GDP | Gross Domestic Product. | Letter from the Chairman & CEO Iberdrola in Spain Iberdrola in the United Kingdom Iberdrola in the United States Iberdrola in Brazil Iberdrola in Mexico Iberdrola, a Different Company Capital Management |
| GHG | Greenhouse Gas. | Iberdrola, a Different Company Regulatory Environment Natural Capital |
| HVDH | High Voltage Direct Current. | Manufactured Capital |
| ICFRS | Internal Control Over Financial Reporting System. | Three Lines of Defence |
| IIRC | International Integrated Reporting Council. | Financial Capital About this Report |
| LBG | London Benchmarking Group. | Iberdrola, a Different Company Social and Relationship Capital |
| NECEC | New England Clean Energy Connect. | Iberdrola in the United States Strategic Foundations for 2018-2022 Networks Manufactured Capital |
| NYSEG | New York State Electric and Gas Corporation. | Networks |
| Ofgem | Office of Gas and Electricity Markets (UK). | Regulatory Environment Networks Wholesale and Retail Manufactured Capital |
| PIEC | Plan Integrado de Energía y Clima (Integrated Energy and Climate Plan). | Regulatory Environment |
| PPA | Power Purchase Agreement. | Risks |
| RAB | Regulated Asset Base. | Networks |
| RG&E | Rochester Gas and Electric. | Networks |
| RIIO-D1 | Revenue = Incentives + Innovation + Outputs. Distribution 1. | Networks |
| RIIO-T1 | Revenue=Incentives + Innovation + +Outputs. Transmission 1. | Networks |
| ROE | Return on equity. | Networks |
| RSPB | Royal Society for the Protection of Birds Scotland. | Social and Relationship Capital |
| SBTi | Science Based Targets. | The Future of Energy |
| SDGs | Sustainable Development Goals. | Letter from the Chairman & CEO Iberdrola, a Different Company Human Capital Natural Capital Social and Relationship Capital Corporate Governance Model Ethics and Sustainable Development |
| SP | ScottishPower. | Networks |
| SPD | ScottishPower Distribution. | Networks |
| SPM | ScottishPower Manweb. | Networks |
| TCFD | Task Force on Climate-related Financial Disclosures. | The Future of Energy Iberdrola, a Different Company |
| WACC | Weighted average cost of capital | Networks Renewables |
