▁year , ▁often ▁over bur den ed ▁in ▁order ▁to ▁satisfy ▁demand ▁not ▁only ▁from ▁its ▁own ▁distribution ▁network ▁but ▁also ▁to ▁support ▁the ▁national ▁grid . ▁It ▁was ▁also ▁during ▁the ▁ 1 9 6 0 s ▁that ▁all ▁the ▁low ▁pressure ▁equipment ▁was ▁shut ▁down ▁and ▁dis m ant led . ▁ ▁The ▁last ▁record ▁of ▁the ▁power ▁station ' s ▁operation ▁dates ▁ 1 4 ▁August ▁ 1 9 7 2 , ▁and ▁is ▁related ▁to ▁the ▁movement ▁oppos ing ▁the ▁political ▁regime ▁in ▁government ▁at ▁the ▁time . ▁On ▁ 9 ▁August , ▁the ▁high ▁voltage ▁lines ▁that ▁supplied ▁Lis bon ▁with ▁electric ity ▁were ▁sab ot aged ▁and ▁the ▁city ▁was ▁left ▁without ▁power . ▁The ▁Te jo ▁Power ▁Station ▁was ▁called ▁upon ▁for ▁one ▁week ▁to ▁overcome ▁the ▁problem ▁and ▁produce ▁electric ity ▁to ▁supply ▁Lis bon ' s ▁distribution ▁network . ▁The ▁power ▁station ' s ▁former ▁workers ▁that ▁had ▁been ▁sum mon ed , ▁some ▁already ▁retired , ▁with ▁all ▁their ▁knowledge ▁and ▁experience , ▁got ▁the ▁Te jo ▁Power ▁Station ▁working ▁once ▁again , ▁feed ing ▁coal ▁into ▁bo iler ▁number ▁ 1 5 ▁for ▁the ▁last ▁time . ▁ 1 ▁ 2 0 0 ▁ 6 7 8 ▁k Wh ▁were ▁produced , ▁a ▁resid ual ▁value ▁that ▁only ▁represented ▁one ▁fifth ▁of ▁the ▁daily ▁consumption ▁dem ands ▁on ▁the ▁CR GE ▁grid . ▁That ▁is ▁the ▁record ▁that ▁marks ▁the ▁final ▁day ▁of ▁the ▁Te jo ▁Power ▁Station . ▁The ▁noise ▁and