th ▁century , ▁the ▁then ▁called ▁“ elect ric ity ▁fact ories ”. ▁Its ▁plan ▁was ▁of ▁a ▁longitud inal ▁nave ▁covered ▁on ▁two ▁sides , ▁and ▁three ▁trans vers ally ▁adjacent ▁pav il ions ▁on ▁the ▁western ▁side . ▁Between ▁them , ▁two ▁sl im ▁chim ne ys ▁double d ▁the ▁height ▁of ▁the ▁plant ' s ▁body ▁and ▁“ over look ed ” ▁the ▁area . ▁The ▁North - S outh ▁fac ades ▁displayed ▁the ▁ins cription ▁ 1 9 0 9 ▁/ ▁C ª s ▁Re un idas ▁G ás ▁e ▁Electric idade ▁/ ▁Est ação ▁El é ctr ica ▁Central ▁Te jo ▁( Un ited ▁Gas ▁and ▁Electric ▁Comp an ies ▁/ ▁Te jo ▁Electric ▁Power ▁Station ). ▁ ▁This ▁original ▁Te jo ▁Power ▁Station ▁was ▁planned ▁to ▁operate ▁for ▁six ▁years ▁( 1 9 0 8 – 1 9 1 4 ) ▁until ▁the ▁CR GE ▁managed ▁the ▁necessary ▁means ▁to ▁build ▁a ▁larger ▁plant ▁with ▁greater ▁capacity . ▁However , ▁due ▁to ▁the ▁out break ▁of ▁World ▁War ▁I ▁in ▁that ▁final ▁year , ▁the ▁Te jo ▁Power ▁Station ' s ▁original ▁phase ▁was ▁extended ▁and ▁remained ▁oper ational ▁until ▁ 1 9 2 1 . ▁The ▁production ▁and ▁distribution ▁of ▁electric ity ▁began ▁to ▁take ▁place ▁under ▁very ▁prec ari ous ▁conditions ▁since , ▁among ▁other ▁aspects , ▁the ▁fu els ▁used ▁were ▁of ▁poor ▁quality , ▁and ▁as ▁a ▁consequence ▁the ▁bo ilers ▁suffered ▁constant ▁break down s , ▁which ▁led ▁to ▁a ▁significant ▁reduction