LHV

Lower heating value

Life extension

Life extension is achieved by maintaining or improving the operating status of an electric power plant within acceptable levels of availability and efficiency, beyond the originally anticipated retirement date.

Lignite

Type of coal with a heating value of 4,000 to 8,300 Btu per pound, a carbon content of 25 to 35 percent, and moisture content up to 45 percent.

LNG

Liquefied natural gas


Mcf

Thousand cubic feet

MCFC

Molten carbonate fuel cell

METC

Morgantown Energy Technology Center

MHD

Magnetohydrodynamics

Mild gasification

See Pyrolysis

MMBtu

Million (106) Btu

MW

Megawatt (106 Watts)

Mwe

Megawatt electric

MWt

Megawatt thermal


NCA

National Coal Association

NCC

National Coal Council

NH3

Ammonia

NO2

Nitrogen dioxide

Nox

Oxides of nitrogen; a mix of nitrous oxide (NO) and nitrogen dioxide (NO2)

NSPS

New Source Performance Standards

NUG

Non-utility generator


03

Ozone

OECD

Organization for Economic Cooperation and Development

OPEC

Organization of Petroleum Exporting Countries


PAFC

Phosphoric acid fuel cell

PC

Pulverized coal

Peak load Peak load (usually in reference to electrical load) is the maximum load during a specified period of time.

PETC

Pittsburgh Energy Technology Center

PFBC

Pressurized fluidized-bed combustion

Ppm

Parts per million

psi (or psig)

Pounds per square inch (psig indicates gauge pressure, that is, pressure above atmospheric pressure)

PURPA

Public Utility Regulatory Policy Act of 1979

Pyrolysis

Thermal decomposition of a chemical compound or mixture of chemical compounds.


Quad

Quadrillion (1015) Btu


Rank

Variety of coal; the higher the rank of coal, the greater its carbon content and heating value.

RD&D

Research, development and demonstration



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