To extend the deadline for commencement of construction of a hydroelectric project.

[AI summary unavailable — showing source text] Authorizes the Federal Energy Regulatory Commission (FERC), at the request of the project licensee, and after reasonable notice, in accordance with specified good faith, due diligence, and public interest requirements and FERC procedures, to extend for up to three consecutive two-year periods the time period during which the licensee must commence construction of hydroelectric project numbered 12187 (in Illinois). Authorizes FERC to reinstate the license, effective as of its expiration date, if the existing period required for commencement of construction has expired before enactment of this Act.…