The ultimate representation of system load into the WECC composite load model component categories used rules of association for the proportional breakdown of load by end-use category (e.g. The methodology first derived annual electricity consumption estimates by end-use category within sector and region and then adjusted the annual consumption to the load in the summer peak and light spring load hours using the DNVGL load shape library. The end-use consumption estimates were calibrated to specific population metrics and weather data for the seven New England regions. DNV GL augmented this data with end-use consumption estimates from secondary sources. The estimated load representation produced in this project was developed using a "bottom-up" methodology which leverages the Energy Information Administration's residential, commercial buildings, and manufacturing energy consumption surveys as core data sources. The load representation developed in the project is in the framework of the Western Electricity Coordinating Council (WECC) composite load model which divides system load into fractional components accounting for the constant power loĪds (electronics and various motor applications), constant current loads, and constant impedance loads. The work performed in this project resulted in a representation of electrical system load in New England by 1) summer peak and spring light load hour 1, 2) by seven geographic regions within New England, 3) by customer sector, 4) by electrical end-use categories specific to each customer sector, and 5) by load components identified as being inputs to dynamic stability modelling applications. NERC Reliability Standard TPL-001-4 calls for the study of dynamic load performance per requirement R2.4 and associated sub-requirements. Department of Energy with a goal of providing a representation of electrical loads to facilitate power system dynamic stability modelling.
End-Use Data Development for Power System Load Model in New England is a project sponsored by the U.S.
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