Resource Documents: Idaho (2 items)
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Real-time wind production — various regions
Author: National Wind Watch
Europe: Quarter-hour load, generation, exchange – click on sample graph for other countries
Nordpool: Current power flow in the Nordic power system
West Denmark: Electricity prices, consumption, and production today, every 5 minutes
France: Quarter-hour consumption and production
France: Current, weekly, monthly, yearly demand and production
Germany: Quarter-hour net electricity generation
Germany: Quarter-hour wind production in EnBW control area (Baden-Württemberg)
Great Britain: Last 24 hours of generation by fuel type, every 5 minutes
Great Britain: Current, weekly, monthly, yearly demand and production
Ireland: Daily quarter-hour wind generation and system demand
Ireland: Quarter-hour system demand and fuel mix
Spain: 10-minute demand and generation share
Alberta: Monthly wind power forecast vs. actual comparison reports
Ontario: Latest hour of generation
Ontario: Daily hourly generation (scroll to bottom of table for wind plant)
Ontario: Hourly generation and other power data
Northwestern USA: Previous week, real-time 5-minute wind generation, Bonneville Power Administration
California: Daily hourly production, CAISO [click here to download complete report (PDF) from previous day.]
Barnstable, Massachusetts: hourly, daily, weekly, monthly, yearly production and consumption of a 100-kW turbine since June 1, 2011 (100% daily generation would be 2,400 kWh)
Scituate, Massachusetts: hourly, daily, weekly, monthly, yearly production and consumption of a 1.5-MW turbine since March 30, 2012 (100% daily generation would be 36,000 kWh)
Mark Richey Woodworking, Newburyport, Massachusetts: hourly, daily, monthly production of a 600-kW turbine since June 2009 (100% daily generation would be 14,400 kWh)
University of Delaware, Newark: current power output (kW) of 2,000-kW turbine
Very Low Wind Generation Period of Jan-09, and a 1-Year Lookback at Frequency of Very Low Wind Gen Periods
Author: Bonneville Power Authority
The very low wind generation period of Jan-09 has ended, after:
• more than 11-1/2 continuous days with total wind gen <50 MW: 14-Jan-09 02:43:00 thru 25-Jan-09 17:13:00 (11 days, 14.5 hours);
and
• more than 8-1/2 continuous days <10 MW: 14-Jan-09 16:59:00 thru 23-Jan-09 07:37:00 (8 days, 14.6 hours)
How often in the past year have we seen others periods of “very low” wind generation?
The next plot shows the Percent of Time by Week Where Total Wind Gen Was <50 MW over the last 56 weeks. The installed wind capacity during this time was ~1,500 MW, so the 50 MW threshold represents ~3% of capacity. The full 56-week average was ~23%, that is, nearly a quarter of the time the total wind gen was less than 3% of total wind capacity.
Other than the very low wind gen period this month, the weeks of 1/21/08 (55.0%) and 10/27/08 (53%) had the next greatest frequency of low wind gen periods. There was a slight seasonality, with the fall months having somewhat more “very low wind gen” periods.
These very low wind gen periods highlight the high correlation (i.e., low diversity) among wind gen plants within the balancing authority area. [Twelve facilities totaling 1,301 MW were on line at the beginning of 2008; during the data period, five more facilities came on line, adding 470 MW; BPA’s grid covers Washington, Oregon, Idaho, and western Montana.]
[The accompanying data file includes average wind generation for every hour in these 56 weeks. The average hourly average was 361.1 MW (24% of 1,500 MW). The aggregate of the BPA wind plant generated at or above that rate 3,623 out of 8,779 hours, or 41.3% of the time. This accords with Rosenbloom’s law of wind turbine output: Whatever the capacity factor, any turbine or aggregate of turbines generates at or above its average rate only 40% of the time.]
Download original document: “Very Low Wind Generation Period of Jan-09, and 1-Year Lookback at Frequency of Very Low Wind Gen Periods”
