| Abbreviation |
Definition |
| AHU |
Air Handling Units |
| AMA |
Agency Model Agreements |
| BAMF |
Biomass and Alternative Methane Fuels |
| Btu |
British Thermal Unit |
| CDSM |
Certified Demand Side Management Professional |
| CEM |
Certified Energy Manager |
| CHP |
Combined Heat and Power |
| CLEP |
Certified Lightening Efficiency Professional |
| Cx |
Commissioning |
| DDC |
Direct Digital Control |
| DER |
Distributed Energy Resources |
| DG |
Distributed Generation |
| ECM |
Energy Conservation Measures |
| EERC |
Energy Escalation Rate Calculator |
| EIS |
Environmental Impact Statement |
| EMCS |
Energy Management Control Systems |
| EMSA |
Energy Management Services Authorization |
| ESC |
Energy Solutions Center |
| EUI |
Energy Use Index |
| FEDS |
Facility Energy Decision System (Software) |
| FLEX |
Federal Lighting Expert |
| FRESA |
Federal Renewable Energy Screening Assistant |
| GHP |
Geothermal Heat Pump |
| GPP |
Green Power Partnership |
| GSF |
Gross Square Feet |
| GWh |
Gigawatts Per Hour |
| HID |
High Intensity Discharge |
| HVAC |
Heating, Ventilation, and Air Conditioning System |
| IAQ |
Indoor Air Quality |
| IEQ |
Indoor Environmental Quality |
| LED |
Light Emitting Diodes |
| LEED |
Leadership in Energy and Environmental Design |
| LEED AP |
LEED Accredited Professional |
| LEED EB |
LEED Existing Building |
| LEED H |
LEED Homes |
| LEED-NC |
LEED New Construction |
| M&V |
Measurement and Verification |
| MMBtu |
One Million British Thermal Units |
| MSA |
Metropolitan Statistical Area |
| MWh |
Megawatt-Hours |
| MW |
Megawatt |
| NTD |
New Technology Demonstration |
| O&M |
Operations and Maintenance |
| PE |
Professional Engineer |
| PF |
Project Facilitator |
| PBR |
Performance-Based Regulation |
| PV |
Photovoltaic |
| QF |
Qualifying Facilities |
| R&D |
Research and Development |
| RE |
Renewable Energy |
| REC |
Renewable Energy Certificate |
| REM |
Resource Efficiency Managers |
| RPS |
Renewable Portfolio Standard |
| SEL |
Spectrally Enhanced Lighting |
| SSL |
Solid State Lighting |
| TA |
Technical Assistance |
| TIR |
Technology Installation Review |
| TOU |
Time of Use |
| WATERGY |
Spreadsheet model that uses water/energy relationship assumptions to analyze potential for water and associated energy savings |
| WBDG |
Whole Building Design Guide |