EnergySource
Feb 25, 2021
In Texas and California, blackouts highlight the challenge of balancing reliability with cost
By
Jonathan Gillis
Over the past year, the United States has endured two major “load shedding” events, first in California and now in Texas, in which electric system operators instructed transmission owners to reduce demand by rotating blackouts across service areas. In both cases, customers were left wondering how an entire region could run out of electricity. The answer lies in the complex and contentious world of “resource adequacy,” one of the most challenging issues in electric system planning and market design.