The Teesside Power Plant at Wilton, near Middlesborough is the world's largest CCGT / CHP plant, at 1,875 MW. Commissioned in 1993 by Enron (who else) it had a chequered career in the post Enron world and is now apparently to close. There has been some ill-informed comment about how old and inefficient it is - but I can tell you more.
|No shed: no soft engineers need apply|
What about those claims of inefficiency ? This is easily explained. In 1990, the start of the first Dash For Gas, everyone else was being suckered into buying new turbine technology: GE Frame 9's and various ABB / Siemens / Alsthom offerings of notionally, nay revolutionary higher efficiency. Problem was, it didn't work at first, and several other plants starting up in the 1991-94 period spent their early months in pieces on the deck being re-built. An efficiency of 43% x something (Teesside) = more electricity and revenue generated than 48% x nothing (everyone else).
Enron, by contrast, chose slightly less efficient, but tried-and-tested multi-fuel Westinghouse kit - 8 gas turbines and, crucially, two steam turbines (the bright blue chunks in the middle) - in two clusters of 4 + 1 (see aerial photo), hence the racy 4-tube exhaust stacks. They worked brilliantly from the word go; the project came in under budget and under time and was a wonder of the world in its day, with awestruck visitors from all over the world.
|2 x (4 + 1)|
I could tell you a load of entertaining stories about it, and maybe I will.
Should it be closing ? If you take the nameplate efficiency (43%) then it is certainly outclassed by the 55%+ plant that has been built in recent years. So, in the hands of its current pedestrian owners GDF (I am being restrained) yes, it is clearly a candidate for closure. We'll never know what it would be doing today in the hands of Enron, but they'd certainly be squeezing a lot more out of the entire set-up than "43%" implies.
What a distressing waste.