| − | A power loss affecting many [[electricity]] consumers over a large geographical area for a significant period of time.<ref>http://www.energy.ca.gov/glossary/glossary-a.html#a</ref> | + | A power loss affecting many [[electricity]] consumers over a large geographical area for a significant period of time.<ref>http://www.energy.ca.gov/glossary/glossary-b.html#b</ref> |