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Year	Distribution Lines 60kV and below km		Transmission Lines over 60kV km		Total Lines km

1993	188,230	20,779	209,009
1994	185,987	18,920	204,907
1995	211,260	19,979	231,239
1996	230,005	20,625	250,630
1997	199,634	20,637	220,271
1998	194,992	20,327	215,319
1999	168,964	20,456	189,420
2000	162,326	20,425	182,751
2001	168,120	20,302	188,422
2002	165,334	20,714	186,048
2003
2004
2005		21,178
2006		21,891
2007		21,891
2008		22,275
2009		22,470

References and Related Online Materials

Distribution Lines 60kV and below:

See reference for "Total Lines."

Transmission Lines over 60kV:

See reference for "Total Lines."

Total Lines:

2005-2009: Alberta Electric Systems Operator, Personal Communication, July 21, 2010.

1993-2002:Energy Resources Conservation Board (2002). Circuit Kilometres of Transmission and Distribution Lines, 1992-2002 (Table 10). Alberta Electric Industry Annual Statistics (Code ST28, ISSN 0706-1420). Last updated February 25, 2004. http://www.ercb.ca/portal/server.pt/gateway/PTARGS_0_0_308_265_0_43/http%3B/ercbContent/publishedcontent/publish/ercb_home/publications_catalogue/publications_available/serial_publications/st28.aspx (accessed July 21, 2010).

Note: Unfortunately, the ERCB publication ST28 has been discontinued. For more recent data on distribution lines, you will have to contact the individual utility companies directly (ATCO, Fortis, Enmax and Epcor).

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References and Related Online Materials

Energy and Mining
Electricity Lines
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