2008 Corporate Responsibility Report

How we are creating a smarter foundation for a sustainable future

Additional Environmental Performance Indicators (2006-2008)

Emissions Statistics (for Utility-retained generation only)1
(Additional statistics on the greenhouse gas emissions associated with PG&E's delivered electricity are available: emissions sources, emissions rates.)
 
2006
2007
2008

Total NOX Emissions (tons)
982
1,123
1,163

Hunters Point2
39
N/A
N/A

Humboldt Bay
943
1,123
1,163

NOX Emissions Rates (lbs/MWh)
 
 
 

Hunters Point
0.38
N/A
N/A

Humboldt Bay
4.08
4.65
4.26

Fossil Plants
2.94
4.65
4.26

All Plants
0.06
0.08
0.09

Total SO2 Emissions (tons)
66
43
27

Hunters Point
1
N/A
N/A

Humboldt Bay
65
43
27

SO2 Emissions Rates (lbs/MWh)
 
 
 

Hunters Point
0.01
N/A
N/A

Humboldt Bay
0.28
0.18
0.10

Fossil Plants
0.2000
0.1781
0.0980

All Plants
0.00388
0.0031
0.0021

Total CO2 Emissions (tons)
465,163
379,196
406,990

Hunters Point
122,838
N/A
N/A

Humboldt Bay
342,325
379,196
406,990

CO2 Emissions Rates (lbs/MWh)
 
 
 

Hunters Point
1,348
N/A
N/A

Humboldt Bay
1,550
1,570
1,566

Fossil Plants
1,491
1,570
1,566

All Plants
28
28
32

Other Emissions Statistics
SF6 Emissions
2006
2007
2008

Total SF6 Emissions (pounds)
5,539
3,928
5,938

Total SF6 Emissions (tons CO2-equivalent)
66,191
46,940
70,959

SF6 Emissions Leak Rate
1.9%
1.3%
1.9%

Methane Emissions
 
 
 

Total Methane Emissions (tons)
98,877
53,342
N/A3

Total Methane Emissions (tons CO2-equivalent)
2,076,427
1,120,179
N/A3

† PG&E does not trigger threshold reporting levels for those substances reported under the Toxic Release Inventory.

1 PG&E's Utility-retained generation comprised approximately 30 percent of our delivered electricity in 2008. For comparison to national average emission rates, see this page.

2 PG&E's Hunters Point Power Plant ceased operations on May 15, 2006.

3 Data not available at the time of this reportís publication.

Hazardous and Non-Hazardous Waste
 
2006
2007
2008

PCB Waste >50 ppm PCB
 
 
 

Total (kilograms)
832,377
730,357
485,699

Incineration
267,710
198,375
181,167
Landfill
334,857
63,863
141,814

Recycled
229,810
468,119
162,718

% Recycled
27%
64%
34%

PCB Waste <50 ppm PCB
 
 
 

Total (kilograms)
7,154,148
6,137,388
6,683,757

Incineration
354,555
66,613
38,654

Landfill
547,095
28,417
43,238

Recycled
6,252,498
6,042,358
6,601,865

% Recycled
87%
98%
99%

Low-Level Radioactive Waste
 
 
 

Diablo Canyon
 
 
 

Disposed (cubic feet)
1,159
1,066
1,320

Steel Recycled (pounds)
10,318
33,346
45,057

Lead Recycled (pounds)
1,716
4,826
0

Humboldt Bay Power Plant (cubic feet)
N/A1
15,994
2,397

RCRA Hazardous Waste (Generated)
 
 
 

Total (tons)
7,836
305
952

Recycled (tons)
23
0
0

% Recycled
<1%
0%
0%

Universal Waste (Generated)
 
 
 

Total (pounds)
233,429
253,928
250,688

Recycled (pounds)
233,429
253,928
250,688

% Recycled
100%
100%
100%

1 Low-level radioactive waste was generated, but stored on site.

Federal and California Regulated Hazardous Waste
 
2006
2007
2008

Federal (tons)
8,752
803
952

California (tons)
9,450
11,080
17,747

Total
18,202
11,883
18,699