Directory of Abbreviations

A
Ampere

AC         
alternating current

ACE
Affordable Clean Energy Rule

AECs     
alternative energy credits

AEP       
American Electric Power Co.

AEPS     
alternative/advanced energy portfolio standard

AFEC     
AMP Fremont Energy Center

AMI      
advanced metering infrastructure

AMP     
American Municipal Power, Inc.

AMPT
AMP Transmission, LLC

ANSI     
American National Standards Institute

APPA    
American Public Power Association

APR       
actual peak reduction

APS       
Allegheny Power System (FirstEnergy)

ARR       
auction revenue rights

ATRR
actual transmission revenue requirements

ATSI
American Transmission Systems, Inc.

BABs     
Build America Bonds

BACT    
best available control technology

BES        
bulk electric system

BEV
battery electric vehicle

BREC
Big River Electric Corporation

BRPA
Blue Ridge Power Agency

BTM      
behind the meter

BTU       
British thermal unit

CAA
Clean Air Act

CAIR     
Clean Air Interstate Rule

Ccf         
one hundred cubic feet

CDD      
cooling degree day

CEEP     
Clean and Efficient Energy Program

CEI         
Cleveland Electric Illuminating Co. (FirstEnergy)

CES        
clean energy standard

cf           
cubic foot

CFL        
compact fluorescent light bulb

CHP      
combined heat and power

CH4       
methane gas

CIP        
Critical Infrastructure Protection

CO         
carbon monoxide

CO2       
carbon dioxide

CO₂eq
carbon dioxide equivalent

Co-op   
rural electric cooperative

CP          
coincident peak

CPP       
Cleveland Public Power

CPP       
critical peak pricing

CREBs   
Clean Renewable Energy Bonds

CSAPR  
Cross State Air Pollution Rule

CSP       
Columbus Southern Power (AEP)

CVEC    
Central Virginia Electric Cooperative

CWA     
Clean Water Act

C&I       
commercial and industrial customers

DC         
direct current

DEMEC
Delaware Municipal Electric Corporation

DEOK
Duke Energy Ohio and Kentucky

DER
distributed energy resources

DG         
distributed generation

DOE      
U.S. Department of Energy

DPL
Delmarva Power

DP&L    
Dayton Power & Light

DR         
demand response

DSM     
demand-side management

EDR     
emergency demand response

EE          
energy efficiency

EEI         
Edison Electric Institute

EIA        
U.S. Energy Information Administration

EIS         
environmental impact statement

EKPC
East Kentucky Power Cooperative

EMF      
electromagnetic fields

EPA       
Environmental Protection Agency

EPAct   
Energy Policy Act of 2005

EPRI      
Electric Power Research Institute

ESG
environmental, social and corporate governance

EV          
electric vehicle

EVSE
electric vehicle supply equipment

EWG     
exempt wholesale generators

FCC       
Federal Communications Commission

FE          
FirstEnergy Corp.

FERC     
Federal Energy Regulatory Commission

FIP         
federal implementation plan

FLM      
federal land manager

FPA       
Federal Power Act

FTC        
Federal Trade Commission

FTR        
financial transmission rights

FWS
U.S. Fish and Wildlife Service

GAPP   
General Agreement on Parallel Paths

GHGs   
greenhouse gases

G&T      
generation and transmission

GW       
gigawatt

GWh    
gigawatt hour

HAP      
hazardous air pollutant

HCI
Hometown Connections Inc

HDD      
heating degree day

HE         
hour ending

Hg         
mercury

H2S       
hydrogen sulfide

HVAC   
heating, ventilation and air conditioning

IA   
interconnection agreement

IEEE       
Institute of Electrical and Electronics Engineers

IGCC     
integrated gasification combined cycle

IMEA
Illinois Municipal Electric Agency

IMEA    
Indiana Municipal Electric Association

IOU       
investor-owned utility

IPP        
independent power producer

IRP        
integrated resource planning

ISO        
independent system operators

ITC
Investment Tax Credit

IURC     
Indiana Utility Regulatory Commission

JV          
joint venture

KAEC    
Kentucky Association of Electric Cooperatives

KMPA  
Kentucky Municipal Power Agency

KMUA  
Kentucky Municipal Utilities Association

KY PSC     
Kentucky Public Service Commission

KU         
Kentucky Utilities (PPL)

kV          
kilovolt

kVA       
kilovolt ampere

kW        
kilowatt

kWh     
kilowatt hour

KYMEA
Kentucky Municipal Electric Association

LDA       
locational deliverability area

LED        
light-emitting diode

LFG       
landfill gas

LG&E    
Louisville Gas & Electric (PPL)

LIHI
Low Impact Hydropower Institute

LMP      
locational marginal pricing

LPPC     
Large Public Power Council

LSE        
load serving entity

MAAC  
Mid-Atlantic Area Council

MACT   
maximum achievable control technology

MATS   
Mercury & Air Toxics Standards

MCB
main circuit breaker

Mcf       
one thousand cubic feet

MECA   
Michigan Electric Cooperative Association

MEP      
Municipal Electric Partner

MEPAV  
Municipal Electric Power Association of Virginia

MESA   
Municipal Energy Services Agency

mills   
mills/KWh or $0.001/KWh

MISO    
Midcontinent Independent System Operator

MMEA 
Michigan Municipal Electric Association

MOPR  
Minimum Offer Price Rule

MOU    
memorandum of understanding

MPPA  
Michigan Public Power Agency

MPSC   
Michigan Public Service Commission

MS
main switch

MSCPA
Michigan South Central Power Agency

MV        
megavolt

MVA     
megavolt ampere

MW      
megawatt

MWh   
megawatt hour

NAAQS
National Ambient Air Quality Standards

NARUC
National Association of Regulatory Utility Commissioners

NEPA    
National Environmental Policy Act

NERC    
North American Electrical Reliability Corp.

NESC    
National Electrical Safety Code

NESHAP              
National Emission Standards for Hazardous Air Pollutants

New CREBS
New Clean Renewable Energy Bonds

NHA     
National Hydropower Association

NGCC   
natural gas combined cycle

Non-D  
hourly non-displacement power

NOx      
nitrogen oxide

NOPR   
notice of proposed rulemaking

NPDES 
National Pollutant Discharge Elimination System

NRC      
Nuclear Regulatory Commission

NRECA 
National Rural Electric Cooperative Association

NSPS    
New Source Performance Standards

NSR       
New Source Review

NUG     
non-utility generators

NYPA   
New York Power Authority

OASIS   
open access same time information system

OATT    
open access transmission tariff

OCC      
Ohio Consumers’ Counsel

OE         
Ohio Edison (FirstEnergy)

OEC
Ohio Electric Cooperatives, Inc.

OFE
owner furnished equipment

O&M    
operation and maintenance

OMEA  
Ohio Municipal Electric Association          

OMEGA               
Ohio Municipal Electric Generation Agency

OP         
Ohio Power (AEP)

OPSI     
Organization of PJM States Inc.

OPSB    
Ohio Power Siting Board

OREC    
Ohio Rural Electric Cooperatives Inc.

OSHA   
Occupational Safety and Health Administration

P&C       
protection & control

PCB       
polychlorinated biphenyls

PECO    
Philadelphia Electric Co. (Exelon)

PEPCO 
Potomac Electric Power Co.

PEV       
plug-in electric vehicle

PHEV
plug-in hybrid electric vehicle

PJM      
PJM Interconnection LLC

PM        
particulate matter

PMEA   
Pennsylvania Municipal Electric Association

PPA       
power purchase agreement

PPL        
Pennsylvania Power & Light

PPM/ PPB    
parts per million/billion

PAPUC    
Pennsylvania Public Utilities Commission

PREA    
Pennsylvania Rural Electric Cooperative Association

PSCWV
Public Service Commission of West Virginia

PSEC     
Prairie State Energy Campus

PSD       
Prevention of Significant Deterioration

PSGC    
Prairie State Generating Company

PTC       
production tax credit

PTI         
permit to install

PTRR        
projected transmission revenue requirements

PUCO   
Public Utilities Commission of Ohio

PURPA 
Public Utility Regulatory Policies Act

PV         
photovoltaic

QF         
qualifying facility

RCRA    
Resource Conservation and Recovery Act

REA       
Rural Electrification Administration

REC       
rural electric cooperative

REC     
renewable energy credit/certificate

RES        
renewable electricity standard

RFP       
request for proposal

RGGI
Regional Greenhouse Gas Initiative

RICE      
reciprocating internal combustion engine

ROI       
return on investment

ROW    
right of way

RP3       
Reliable Public Power Provider (APPA)

RPM     
Reliability Pricing Model

RPS       
renewable portfolio standards

RTEP     
regional transmission expansion plan

RTO       
regional transmission organization

RTU       
remote terminal unit

RUS       
rural utility service

SCADA 
supervisory control and data acquisition system

SCR       
selective catalytic reduction

SEC        
Securities and Exchange Commission

SEPA     
Smart Electric Power Alliance

SF6        
sulfur hexafluoride

SIGE
Southern Indiana Gas & Electric (Vectren)

SILR       
Schedule of Interruptible Load

SIP         
state implementation plan

SO2       
sulfur dioxide

SREC     
Solar Renewable Energy Certificates

TAPS     
Transmission Access Policy Study Group

T&D      
transmission and distribution

TE          
Toledo Edison (FirstEnergy)

TEA       
The Energy Authority

TLR        
Transmission Loading Relief

TO         
transmission owner

TOU     
time of use

TVA       
Tennessee Valley Authority

USACE 
U.S. Army Corps of Engineers

V            
volt

VA         
volt-ampere

VAR      
voltage-ampere-reactive

VEPCO 
Virginia Electric and Power Co. (Dominion)

VMDAEC             
Virginia, Maryland & Delaware Association of Electric Cooperatives

VOC      
volatile organic compound

VPP       
variable peak pricing

VSCC    
Virginia State Corporation Commission

W 
watt