Sources: Lincoln Electric System Annual Report, Lincoln Electric System, Lincoln, NE. Nebraska
Public Power District Annual Report, Nebraska Public Power District, Columbus, NE. Omaha Public
Power District Annual Report, Omaha Public Power District, Omaha, NE. Nebraska Energy Office, Lincoln, NE.
Notes: Lincoln Electric System (LES).
Nebraska Public Power District (NPPD).
Omaha Public Power District
(OPPD).
The tables and graphs were updated on July 28, 2009. Typically, there is one year between updates.