Southwest Power Pool set record wind penetration and record renewable penetration levels in the early morning on March 31, SPP said Tuesday.
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The grid operator said the wind was around 14.5 GW, or 62.13%, of the total load at 23.2 GW at 1:54 am CDT on March 31, when combined with hydro, solar and waste heat output, the renewable generation resources contributed to about 64.7% of the total load.
The wind record broke the previous one set on March 17, when wind penetration hit as high as 60.56% in early morning hours, serving about 14 GW of total load at around 23 GW.
Earlier in March, the grid operator set a wind penetration record of 58.1%.
In the real-time market, the five-minute SPP North Hub real-time locational marginal prices fell to about $2.25/MWh at 1:55 am CDT while SPP South Hub LMP dropped to negative $10/MWh.
The current all-time high wind generation was set at 15,690 MW on December 15, serving 51% of total load at that time.
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--Edited by Derek Sands, firstname.lastname@example.org