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Tag Archives: Cold Air Online

Data on wind power in 2015 shows new contracts not needed

05 Tuesday Jan 2016

Posted by ottawawindconcerns in Uncategorized

≈ 1 Comment

Tags

Bruce Nuclear, Cold Air Online, IESO, Ontario economy, Ontario electricity bills, Ontario hydro bills, Ontario Ministry of Energy, Scott Luft, surplus power Ontario, wind power Ontario, Wynne government

A report from energy analyst Scott Luft, released today, shows that curtailment of wind power in Ontario reached record levels in 2015. If the government proceeds with its plans to contract for 300 more megawatts of wind power under the Large Renewable Procurement (LRP) plan for 2015, and another 200 megawatts in 2016, this disastrous trend will continue.

Curtailment of industrial wind turbine production in Ontario soars in 2015

Posted on January 5, 2016 by Cold Air

A 2015 year-end review of my hourly estimates indicate the curtailment of output from industrial wind turbines (IWTs) soared in 2015. I show total curtailment exceeding 1 million megawatt-hours, which I assume Ontario ratepayers paid ~$127 million for regardless.

I show the potential supply curtailed rising to 10% from 6%.

WindCurtailmentByRegion

 

The increase in curtailment in the Bruce region is galling as an examination of output from one IWT location there revealed that during the peak electricity demand of summer it was often a net consumer of grid power rather than a contributor to supply.

Note in the above graphic that only the Northwest breaks a trend that sees higher curtailment equate to lower market valuation of the output of the zone’s IWTs, with a doubling of curtailment in the Bruce region matched by a halving of market value of production.

The increase in curtailment in 2015 is particularly relevant because the Large Renewable Procurement which the IESO (operator of the system) intends to proceed with in 2016 used about 6% as the level of curtailment it anticipated.

If more IWTs are added, they’ll be increasingly wrong.

In 2015 potential output from IWT’s could have increased by about 2,500 gigawatt-hours (GWh), while I estimate curtailment increased by about 575 GWh – which indicates 22% of new supply ended in curtailment of wind.

There are other reasons curtailment would change, particularly in 2016. Up until January 1, 2016 flexible nuclear at Bruce Power was dispatched previous to IWTs, but the rules have now been rationalized.

We may look back at 1 million MWh of wind curtailment as the good ol’ days. …

Read more HERE.

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