Page 115 - The Green Building Bottom Line The Real Cost of Sustainable Building

94 CHAPTER 3

firms? These questions do not have clear-cut answers (there is, for example, no require-
ment saying real estate firms with under thirty people should emit 300 tons or less of
eCO ). But knowing your eCO is a start, a baseline. The result of our company’s
2 2
emissions audit was aggregated into Table 3.3.

TABLE 3.2 ELECTRICITY GENERATION EMISSIONS BY REGION 20

EGRID SUBREGION LB CO /MWH LB CH /MWH LB N O/MWH
2 4 2
AKGD ASCC Alaska Grid 1257 0.0266 0.0064
AKMS ASCC Miscellaneous 480 0.0239 0.0044
AZNM WECC Southwest 1254 0.0175 0.0148
CAMX WECC California 879 0.0359 0.0084
ERCT ERCOT All 1421 0.0214 0.0148
FRCC FRCC All 1328 0.0541 0.0160
HIMS HICC Miscellaneous 1456 0.1006 0.0183
HIOA HICC Oahu 1728 0.0911 0.0212
MORE MRO East 1859 0.0411 0.0303
MROW MRO West 1814 0.0275 0.0289
NEWE NPCC New England 909 0.0798 0.0153
NWPP WECC Northwest 921 0.0223 0.0141
NYCW NPCC NYC/Westchester 922 0.0384 0.0060
NYLI NPCC Long Island 1412 0.1020 0.0162
NYUP NPCC Upstate NY 820 0.0240 0.0114
RFCE RFC East 1096 0.0276 0.0172
RFCM RFC Michigan 1641 0.0348 0.0254
RFCW RFC West 1556 0.0195 0.0244
RMPA WECC Rockies 2036 0.0244 0.0302
SPNO SPP North 1971 0.0236 0.0303
SPSO SPP South 1761 0.0303 0.0230
SRMV SERC Mississippi Valley 1135 0.0420 0.0133
SRMW SERC Midwest 1844 0.0214 0.0288
SRSO SERC South 1490 0.0395 0.0249
SRTV SERC Tennessee Valley 1495 0.0233 0.0237
SRVC SERC Virginia/Carolina 1146 0.0294 0.0192
U.S. total 1363 0.0305 0.0198
Year 2004 eGRID Subregion Emission Factors
(Source: eGRID2006 Version 2.1, April 2007)