
1) Power station technology
Found on
https://www.crosswordclues.com/clue/repowering

Repowering is the process of replacing older power stations with newer ones that either have a greater nameplate capacity or more efficiency which results in a net increase of power generated. ==Examples== ===Wind power=== Countries like Germany and Denmark that have a large number of wind turbines installed relative to their total land size have ...
Found on
http://en.wikipedia.org/wiki/Repowering

Rebuilding and replacing major components of a power plant instead of building a new one.
Found on
https://www.encyclo.co.uk/local/20094
No exact match found.