▁order ▁placed ▁with ▁the ▁German ▁manufact urer ▁encountered ▁the ▁commercial ▁block ade ▁that ▁spread ▁all ▁over ▁the ▁European ▁continent ▁as ▁a ▁consequence ▁of ▁World ▁War ▁II . ▁The ▁equipment ▁finally ▁arrived ▁in ▁ 1 9 4 2 , ▁allowing ▁High ▁Press ure ▁electric ▁power ▁production ▁to ▁begin ▁the ▁following ▁year . ▁In ▁ 1 9 4 3 , ▁bo ilers ▁ 1 2 ▁and ▁ 1 3 ▁began ▁to ▁supply ▁tur bo - altern ator ▁number ▁ 2 , ▁and ▁in ▁ 1 9 4 4 , ▁bo iler ▁ 1 4 ▁began ▁supp lying ▁tur bo - altern ator ▁ 3 . ▁ ▁Because ▁of ▁the ▁war , ▁during ▁the ▁years ▁of ▁conflict ▁the ▁price ▁of ▁coal ▁increased ▁progress ively ▁while ▁its ▁quality ▁dropped . ▁Con sequently , ▁the ▁rise ▁in ▁prices ▁quad ru ple d ▁in ▁only ▁six ▁years ▁( between ▁ 1 9 3 9 ▁and ▁ 1 9 4 5 ). ▁On ▁the ▁other ▁hand , ▁electric ity ▁production ▁also ▁rose ▁progress ively , ▁reaching ▁maximum ▁rates ▁year ▁after ▁year , ▁pe aking ▁in ▁ 1 9 5 0 ▁at ▁a ▁record ▁rate ▁of ▁ 5 2 ▁ 2 0 0   k W ▁and ▁ 2 1 6 ▁million ▁k Wh ▁produced . ▁ ▁In ▁ 1 9 4 8 , ▁due ▁to ▁the ▁es cal ating ▁price ▁of ▁coal , ▁the ▁three ▁high ▁pressure ▁bo ilers ▁were ▁slightly ▁alter ed ▁to ▁adapt ▁them ▁to ▁burn ▁nap h tha ▁( f uel ▁oil ), ▁a ▁pet role um