Data center energy consumption raises concerns about long-term costs and reliability
Illinois is facing growing concerns over the increasing energy demand from a boom in hyperscale data center development, driven by AI. This surge threatens the state's energy grid reliability, increases utility costs for consumers, and raises environmental concerns about greenhouse gas emissions. Advocacy groups are pushing for state legislation, the Power Act, to ensure data center operators bear infrastructure upgrade costs and use renewable energy.
Illinois, a state that has historically attracted data center operators with its stable energy grid, cheaper electricity, and financial incentives, is now confronting the ramifications of rapid hyperscale data center growth, particularly due to the rise of artificial intelligence. With over 240 data centers, mostly in the Chicago area, the state faces an unprecedented surge in energy demand that could strain its grid and significantly increase costs for residents.
Energy policy specialists like Scott Allen of the Citizens Utility Board (CUB) and Michael Brown of the Ecology Action Center in Normal note that this growth has already contributed to a nearly 50% increase in power prices over two years. The Midcontinent Independent System Operator (MISO), which manages the grid across Illinois and 14 other states, predicts that data centers will consume one-fifth of all electricity by 2030 and one-fourth by 2040, leading to load growth rates "not seen in decades." Nathan Miller, senior director of E3, Energy and Environmental Economics, warned that Illinois faces "resource adequacy challenges" that could result in energy shortages.
In response to these concerns, Ameren Illinois is undertaking a 380-mile transmission project in McLean County and building new substations, but is also seeking a $65 million rate increase from state regulators, which CUB is challenging. Environmental advocates, including Juliana Vidal and Michael Brown of the Ecology Action Center, express worry that rising energy demand will lead to increased reliance on fossil fuels, exacerbating climate change and health disparities in environmental justice communities. The Illinois Environmental Council (IEC) is championing the Power Act, state legislation that would mandate data center operators pay for all necessary grid upgrades and source all energy from new clean capacity, a provision dubbed BEYONCCE.
Despite Governor JB Pritzker's Climate and Equitable Jobs Act aiming for carbon neutrality by 2045 and the recent lifting of a moratorium on new nuclear construction, challenges persist in expanding clean energy infrastructure. Natural gas, a reliable source, faces a long development timeline that clashes with the 2045 deadline. Bloomington and Normal officials are hosting a community forum to address these issues, reflecting growing public and governmental scrutiny of data center development in the state.