The Illinois Commerce Commission is examining whether utility executives hid information about the rising cost of a Chicago-area gas main replacement program to win approval of Wisconsin Energy Corp.'s $5.7 billion buyout of Integrys Energy Group Inc. earlier this year.
Illinois is among the most improved states in energy efficiency, according to the American Council for an Energy-Efficient Economy (ACEEE)’s ninth annual State Scorecard released today.
A group of Illinois nonprofits seeks to bundle together enough clean demand response, renewable resources and energy storage to bid it into the PJM Interconnection's capacity auction.
Over the past few weeks, Exelon has secured promises for an additional $1.6 billion or more in revenue from capacity auctions, calling into question the need for the Illinois legislature to step in to keep some power plants running.
An experiment by Argonne National Laboratory in Central Illinois explores the potential of formerly overlooked plants such as willow and switchgrass for bioenergy feedstock, offering farmers a possibly lucrative use for difficult land and preventing nitrogen pollution to boot.
As Illinois officials seek to cut sulfur dioxide levels in two cities, a utility that touts itself as a clean-energy leader is ironically using the process to seek an exemption for installing pollution controls at one of its coal plants.
Former Exelon CEO thinks wind, solar and natural gas are the future of the grid, but says his former company's nuclear plants need to be supported and kept online.
Some of Illinois’ prime farmland is torn up for surface mines. However, even when the topsoil remains untouched, mining under the surface can have serious and lasting effects on farmland.
Municipalities saddled with debt from deals with the Prairie State Energy Campus in Illinois may have some options for financial relief, but it won't be easy.