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Data Set #014

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About the data:

The data were obtained from the Emissions and Generation Resource Integrated Database (eGRID), hosted on the US Environmental Protection Agency's website.

The table and graph display the heat input in MMBTU (the energy industry's way of writing millions of BTUs) and the CO2 output (in tons) for most electricity generation plants in California for 1997.  Other state data are available in EGRID97.  By comparing heat input to CO2 output, one can get a measure of the "pollution efficiency" of each plant.  By examining the scatter plot, clearly there is one power plant that produces an excessive amount of CO2 for its heat input.  Is this power plant an outlier because of false information, or is it truly wasteful?

One BTU is the quantity of heat necessary to raise the temperature of one pound of water one degree Fahrenheit from 58.5 to 59.5 degrees under standard pressure of 30 inches of mercury at or near its point of maximum density. One BTU equals 252 calories, 778 foot-pounds, 1,055 joules or 0.293 watt-hours.

The Emissions & Generation Resource Integrated Database (EGRID) is a comprehensive data base of environmental attributes of electric power systems. EGRID is based on available plant-specific data for all US electricity generating plants that provide power and report data to the US government. Data reported includes electricity generation (in MWh), resource mix (for renewables and nonrenewables), emissions (in tons for NOx , SO2, and CO2 ), emission rates (in both pounds per megawatt-hour [lbs/MWh] and pounds per million BTUs [lbs/MMBTU] for NOx , SO2, and CO2 ), heat input (in MMBTU), and capacity (in MW).

     
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Emissions and Generation Resource Integrated Database (1997 data)

United States EPA

California Power Plants

plant annual heat input (MMBTU)

Plant annual CO2 emissions (tons)

ALAMITOS

45179353

2684889

ALMOND POWER PLANT

1000518

57891

BROADWAY

1902299

113051

CARSON ICE CG

3334351

196727

COACHELLA

85819

5031

CONTRA COSTA

13897014

825884

COOL WATER

22107006

1306883

DIVISION

4937

410

EL CAJON

12418

733

EL CENTRO

4602222

490758

EL SEGUNDO

12128073

720753

ELLWOOD

14034

812

ENCINA

26266069

1565218

ETIWANDA

11670247

693486

GIANERA

109260

6322

GLENARM

62306

3605

GRAYSON

2449635

203338

HARBOR

3722729

221181

HAYNES

7928255

471165

HIGHGROVE

95438

5673

HUMBOLDT BAY

2234326

133163

HUNTERS POINT

12607403

751899

HUNTINGTON BEACH

8479950

503772

KEARNY

247236

14413

KINGS BEACH

3408

283

LONG BEACH

1854822

108170

MAGNOLIA

139463

8076

MANDALAY

13840019

823269

MCCLELLAN

53520

3099

MCCLURE

39998

2979

MIRAMAR

122522

7125

MORRO BAY

16364372

972513

MOSS LANDING

57304904

3405559

NAVAL STATION

71053

4148

NAVAL TRAINING CTR

9961

589

NORTH ISLAND

26901

1761

OAKLAND

44496

3699

OLIVE

1796859

106735

ORMOND BEACH

16377805

973311

PEBBLY BEACH

311866

25925

PITTSBURG

40099067

2383037

PORTOLA

3379

281

POTRERO

8345753

519699

REDDING POWER

10339185

608293

REDONDO BEACH

26923176

1600006

ROCKWOOD

44467

2659

SAN BERNARDINO

287218

17070

SANTA CLARA COGEN

833261

48213

SCA

4487554

2340088

SCATTERGOOD

9889331

537922

SOUTH BAY

23038851

1353523

SPA

2460438

145701

WALNUT

40594

2349

WOODLAND

466256

27088

 

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