The Illinois Supreme Court will review a lower court decision blocking construction of a 120-mile (193km) portion of Clean Line Energy Partners’ proposed Rock Island wind-energy transmission line in the state.

It did not immediately set a date to hear the case.

State regulators in 2014 greenlighted the project, which would transport 3.5GW of energy from wind projects in western Iowa and neighboring states to Illinois and regions to the east – enough to power about 1.4