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Emissions Comparison Data

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BURNING WOOD IS “DIRTIER” THAN BURNING COAL

PLANT FUEL

CO2 /MW

(tpy)

NOx /MW

(tpy)

PM /MW

(tpy)

Boardman (PGE)[1] Coal 9067 3.38 0.59
PVEC [2] NG 3130 0.23 0.12
BIOMASS PLANTS IN MASSACHUSETTS
Russell Biomass[3] Wood 12, 644 3.9 1.69
Increase over Coal (+39%) (+31%) (+186%)
Increase over NG (+304%) (+1596%) (+1309%)
PRE Biomass[4] Wood 11,312 3.49 1.15
Increase over Coal (+25%) (+15%) (+95%)
Increase over NG (+262%) (+1417%) (+858%)
Palmer[5] C&D 12,415 3.53 0.71
Increase over Coal (+37%) (+4%) (+20%)
Increase over NG (+297%) (+1435%) (+492%)


Comparison to coal (% above coal emissions)=[biomass level-coal level]/[coal level]

Comparison to natural gas (% above NG)= [biomass level-NG level]/[NG level]

N.B. All the numbers were taken from proposals or environmental statements from the power producers. All the numbers reflect use of pollution controls.

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