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Acronyms and Abbreviations

ACalternating current
AEOAnnual Energy Outlook (U.S. Energy Information Administration)
ARPA-EAdvanced Research Projects Agency-Energy
ATBAnnual Technology Baseline
BARBig Adaptive Rotor
BAUbusiness as usual
BESSbattery energy storage system(s)
BOSbalance of system
CAPEXcapital expenditure
CCcapital cost (CSP page)
CCcombined cycle
CFcapacity factor
CFDCDC-rated capacity
cfscubic feet per second
CO2carbon dioxide
CODcommercial operation date
CCScarbon capture and storage
CRFcapital recovery factor
CSPconcentrating solar power
CTcombustion turbine
DCdirect current
dGenDistributed Generation Market Demand Model
DNIdirect normal irradiance
DOEU.S. Department of Energy
DSCRdebt service coverage ratio
EEREEnergy Efficiency & Renewable Energy, Office of
EGSenhanced geothermal system
EIAU.S. Energy Information Administration
EMRFexpected market return on premium
E/Penergy to power ratio
EPCengineering, procurement, and construction
FCRfixed charge rate
FEDOE Office of Fossil Energy and Carbon Management
FOMfixed operation and maintenance
GCCgrid connection costs
GETEMGeothermal Electricity Technology Evaluation Model
GHIglobal horizontal irradiance
GISgeographic information system
GWegigawatt electrical
HAPHydropower Advancement Project
HRSGheat recovery steam generator
ICCinitial capital cost
ICCSindustrial carbon capture and storage
IEAInternational Energy Agency
IGCCintegrated gasification combined cycle
ILRinverter loading ratio
IPPindependent power producer
IRENAInternational Renewable Energy Agency
IRPintegrated resource plan
ISO-NEISO New England
ITCinvestment tax credit
JRCJoint Research Centre, European Commission
km2square kilometers
kWACkilowatt, alternating current
kWDCkilowatt, direct current
kWekilowatt electrical
kWhACkilowatt-hour, alternating current
LBNLLawrence Berkeley National Laboratory
LCOElevelized cost of energy
LDSTlarge-diameter steel tower
LIBORLondon Inter-bank Offered Rate
MACRSModified Accelerated Cost Recovery System
MARKAL/TIMESMARKet Allocation/The Integrated MARKAL-EFOM System
MWACmegawatt, alternating current
MWDCmegawatt, direct current
MWemegawatt electrical
NEMSNational Energy Modeling System
NF-EGSnear-hydrothermal field enhanced geothermal system
NGCCnatural gas combine cycle
NGCTnatural gas combustion turbine
NHAAPNational Hydropower Asset Assessment Program
NIPSCONorthern Indiana Public Service Company
N/Anot applicable
nmnautical miles
NPDnon-powered dam
NRELNational Renewable Energy Laboratory
NSDnew stream-reach development
NSRDBNational Solar Radiation Database
O&Moperation and maintenance
OCCovernight capital cost
OEMoriginal equipment manufacturer
OPEXoperating expense
ORBITOffshore Renewable Balance-of-system Installation Tool
ORCAOffshore Regional Cost Analyzer
ORNLOak Ridge National Laboratory
ORTPoffer review trigger price
PCpulverized coal
PERCpassivated emitter and rear contact
PGEPortland General Electric
PPApower purchase agreement
PSHpumped-storage hydropower
PSMPhysical Solar Model
PTCproduction tax credit
R&Dresearch and development
ReEDSRegional Energy Deployment System
ROPrate of penetration
RROErate of return on equity
RTEround-trip efficiency
SAMSystem Advisor Model
SMARTSystem Management of Atmospheric Resource through Technology
SO2sulfur dioxide
SolarAPPSolar Automated Permit Processing
TESthermal energy storage
TMYtypical meteorological year
TRGtechno-resource group
TVATennessee Valley Authority
USACEU.S. Army Corps of Engineers
USDU.S. dollars
USGSUnited States Geological Survey
VOMvariable operation and maintenance
WACwatts, alternating current
WACCweighted average cost of capital
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