Saturday, December 31, 2005

NISM was issued on Thursday

The tightness of the Energy Market was clear on Thursday when National Grid issued a notice of Insufficient Margin (NISM).

The problem for the energy markets is that in cold weather both electricity and gas demand goes up. I did look at the Electricity supply situation during the day (if the frequency is low you can see there is insufficient power), but was not aware of the NISM.

The point about last Thursday remains that for both Electricity and Gas demand it was the Christmas week that always has lower demand. If that had happened mid a normal week - any even more so if we don't have the imports from Russia via Ukraine then we would probably have seen either a national brownout of 3% of voltage or some people having a blackout.

There are plans to have a website with details of where the blackouts are scheduled to be.


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