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APPENDIX A-2. ACRONYMS AND ABBREVIATIONS
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APPENDIX A-2. ACRONYMS AND ABBREVIATIONS

ACEEE American Council for an Energy-Efficient Economy 

ACT Advanced Conservation Technology 

ADL Arthur D. Little, Inc.

AEO DOE/EIA's Annual Energy Outlook 

AGA America Gas Association

AHAM Association of Home Appliance Manufacturers

ANOPR Advance Notice of Proposed Rulemaking

ANSI American National Standards Institute 

ASHRAE American Society of Heating, Refrigeration, and Air-Conditioning 

Engineers, Inc.

ASTM American Society for Testing and Materials

BRS DOE's Office of Building Research and Standards

BTS DOE's Office of Building Technology, State and Community Programs 

Btu British thermal unit 

C elemental carbon 

CEC California Energy Commission 

CFR Code of Federal Regulations

CNG Connecticut Natural Gas 

CO carbon monoxide 

CO2

carbon dioxide

CPI Consumer Price Index

CPSC Consumer Product Safety Commission 

DOE U.S. Department of Energy (also “the Department”)

EEI Edison Electric Institute 

EIA DOE's Energy Information Administration 

EF energy factor

EMPA Energy Market and Policy Analysis

EPA U.S. Environmental Protection Agency

EPCA Energy Policy and Conservation Act 

EPRI Electric Power Research Institute 

FEMP Federal Energy Management Program 

GAMA Gas Appliance Manufacturers Association

GRI Gas Research Institute 

GRIM Government Regulatory Impact Model

GW gigawatt (109 watts)

HCFC hydrochlorofluorocarbon 

HFC hydrofluorocarbon 

HUD U.S. Department of Housing and Urban Development

IID intermittent ignition device
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ImBuild Impact of Building Energy Efficiency Programs model 

ITS Intertek Testing Service

kWh kilowatt hours (103 watt-hours)

LBNL Lawrence Berkeley National Laboratory

LCC life-cycle cost

LPG liquid petroleum gas

MIA manufacturer impact analysis

MMBtu million Btu

MtC million metric tonnes of carbon

NAECA National Appliance Energy Conservation Act

NEEA Northwest Energy Efficiency Alliance

NEGA New England Gas Association 

NEMS National Energy Modeling System

NEMS-BRS National Energy Modeling System-Building Research and Standards 

 version

NEPA National Environmental Policy Act

NES national energy savings 

NFGC National Fuel Gas Code

NGC Natural Gas Council

NIST National Institute of Standards and Technology 

NOx oxides of nitrogen 

NOAA National Oceanic and Atmospheric Administration 

NOPR Notice of Proposed Rulemaking

NPV net present value

NRDC National Resources Defense Council 

NRECA National Rural Electric Cooperative Association 

NU Northeast Utilities 

NWPPC Northwest Power Planning Council

OOE Oregon Office of Energy

O&M Operations and Maintenance

ORNL Oak Ridge National Laboratory

PNNL Pacific Northwest National Laboratory

Pon rated input power 

PVC polyvinylchloride

quad quadrillion (1015) Btu

R&D Research and Development

RE recovery efficiency 

RECS Residential Energy Consumption Survey

RIA regulatory impact analysis

ROI return on investment

SG&A selling, general, and administration costs 
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S&P Standard & Poor’s 

SO2

sulfur dioxide 

TAG Technical Advisory Group

TANK water heater simulation model (gas)

ton short ton (2000 lbs)

tonne metric ton (1000 kilograms)

TSD Technical Support Document

UA standby heat loss coefficient

UEC unit energy consumption 

VP Virginia Power 

WATSIM Water Heater Simulation Model (electric)

WHAM Water Heater Analysis Model