I have the smart meter data @15mins interval of many consumers. Many literature are suggesting some formulas but it seems to be not generalized. Specifically for smart meter data, base load calculation is not clearly defined.
Load demand or energy use can be divided into base load, intermediate load and peak load. Base load is the load that exists on the grid 24 hours a day. Typically nuclear, hydro and steam thermal, these power plants operate 24 hours a day. The base load represents the first 30% of load curve followed by the intermediate load which represents the 45% after the base load. While the peak load demand represents the last 25% of the load duration curve. The analysis of load duration curve can be explained in this article:
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