2000mw drop in generation to a new low of 1973mw

It looks like you're referring to a drop in power generation to a new low level.

To break it down:

• "2000mw" is the original power generation level.
• "Drop" means a decrease or reduction in power generation.
• "In generation" refers to the process of producing electricity.
• "To a new low of 1973mw" means that the power generation level has decreased to a new record low of 1973 megawatts (mw).

So, in summary, the power generation level has decreased by 27mw (2000mw - 1973mw) to a new record low of 1973mw.