| BESS | Battery Energy Storage System — A system that stores electrical energy in batteries for later use |
| CESIR | Coordinated Electric System Interconnection Review — Con Edison's process for evaluating grid interconnection requests |
| Con Edison | Consolidated Edison — The primary electric utility serving NYC and Westchester County |
| DevCo | Development Company — A company focused on developing projects rather than owning/operating them long-term |
| EPC | Engineering, Procurement, and Construction — The complete process of designing, sourcing, and building a project |
| FDNY | Fire Department of New York — The regulatory body overseeing fire safety compliance for BESS in NYC |
| Front-of-the-Meter | Projects that connect directly to the utility grid, as opposed to behind-the-meter systems that serve individual buildings |
| Hosting Capacity | The amount of distributed energy resources that can be accommodated on the existing electric grid infrastructure |
| IPP | Independent Power Producer — A company that owns and operates power generation facilities |
| ITC | Investment Tax Credit — A federal tax incentive that reduces the cost of energy storage installations |
| LOI | Letter of Intent — A preliminary agreement outlining the terms of a potential transaction |
| LP | Limited Partner — An investor in a partnership structure with limited liability |
| MW | Megawatt — A unit of electrical power equal to one million watts |
| NTP | Notice to Proceed — The formal authorization to begin construction, indicating all permits and approvals are in place |
| NYISO | New York Independent System Operator — The organization that manages the state's electric grid |
| SIR | Standardized Interconnection Requirements — New York's rules governing the connection of distributed generation to utility systems |
| UL 9540A | A standard for evaluating thermal runaway fire propagation in battery energy storage systems |
| VDER | Value of Distributed Energy Resources — New York's compensation mechanism for distributed energy resources |
| Zone J | The NYISO pricing zone covering New York City |
| Zone K | The NYISO pricing zone covering Long Island |