Growing amounts of intermittent renewable generation capacity substantially increases the complexity of determining whether sufficient energy will be available to meet hourly demands throughout the year. As the events of August 2020 in California and February 2021 in Texas demonstrate, supply...

The variability of solar and wind generation increases transmission network operating costs associated with maintaining system stability. These ancillary services costs are likely to increase as a share of total energy costs in regions with ambitious renewable energy targets. We examine how...

"The author first describes those features of the electricity supply industry that make a prospective market monitoring process essential to a well-functioning wholesale market. Some of these features are shared with the securities industry, although the technology of electricity production and...