/* #wrapper {display: none;} */ You don't have JavaScript enabled. Unfortunately, this will prevent you from viewing this presentation and many other website features.

To view this presentation, you will need to upgrade your browser to a modern version for security and performance improvements. Visit Browse Happy to find out more.

If you are using a legacy version of Internet Explorer, please also ensure that 'Compatibility Mode' is turned off.

To view this website, please turn your device around into 'landscape' mode.

Unfortunately you cannot view the presentation unless your browser window is 1024 x 700 pixels or bigger in size. Please try resizing your browser or using a bigger screen.

You may also try adjusting the 'zoom' value to 90% or less if your browser supports this feature, but please be aware that this will reduce the visual clarity of the presentation.

The Cavern

Machine Hall

There are four Turbine / Generator units on site at Turlough Hill, each producing a maximum output of 73 Megawatts (MW). That gives a total of 292 MW... all achieved in only 70 seconds from standstill!