To authorize the expansion of an existing hydroelectric project, and for other purposes.

Bill 115 hr 220, also known as the "Hydroelectric Project Expansion Authorization Act," is a piece of legislation that aims to authorize the expansion of an existing hydroelectric project in the United States. The bill also includes provisions for other purposes related to the project.

The main goal of the bill is to allow for the expansion of the hydroelectric project, which would likely involve increasing the capacity of the project to generate electricity through the use of water power. This expansion could potentially lead to an increase in renewable energy production and help to reduce reliance on fossil fuels.

In addition to authorizing the expansion of the project, the bill may also include provisions related to environmental impact assessments, permitting processes, and other regulatory requirements that must be met in order to carry out the expansion. These provisions are intended to ensure that the project is carried out in a responsible and sustainable manner. Overall, Bill 115 hr 220 is focused on promoting the development of renewable energy sources, specifically hydroelectric power, and ensuring that any expansion of existing projects is done in a way that is environmentally sound and in compliance with relevant regulations.