| Abbreviation | Definition |
|---|---|
| ICOE | International Conference on Ocean Energy |
| ICORE | International Congress on Renewable Energy |
| ICSE | Institute for Clean and Secure Energy |
| ICT | In Case of Emergency |
| IDCEM | Intelligent Data Center Energy Management |
| IDEA | International District Energy Association |
| IDEC | Industrial Defense Energy and Consumer |
| IDER | Integrated Distributed Energy Resources |
| IE | Independent Energy |
| IEA | Energy Atlas |
| IEA | Infrastructure and Energy Alter |
| IEAC | Innovative Energy Alliance Cooperative |
| IEAC | International Energy Advisory Council |
| IEAOES | International Energy Agency’s Ocean Energy Systems |
| IEAP | Insulation Energy Appraisal Program |
| IEC | Institute of Energy Conversion |
| IECA | Industrial Energy Consumers of America |
| IECA | International Energy Credit Association |
| IECC | International Energy Conservation Code |
| IECC | International Energy Conservation Codes |