“…After the year 2000, an increase in share of natural gas, both installed capacity and in electricity production, lowered the use of lignite. In 2009, the share of installed capacity by resources was 1%, 19%, 35%, 4%, 26% and 11% for hard coal, lignite, renewable, crude oil, natural gas and other, respectively (Yılmaz et al, 2005;Yılmaz, 2004Yılmaz, ,2011Yılmaz 2008;Yılmaz and Aydıner, 2009;Yılmaz and Uslu, 2006 In Figure 12, distribution of electricity production of Turkey by energy resources is given in a long historical order for 1940 and 2009 term. As seen in the Figure, coal (especially hard coal) had a share of 80% in electricity production in 1940.…”