Generation of electricity from moving water (tidal currents and other instream, unimpounded flows) is known as hydrokinetic generation.  This emerging form of generation offers a potentially significant contribution to renewable energy portfolios.  Because hydrokinetic electricity generation does not require impoundment of the waterbody, it presents a new set of potential environmental impacts (including impacts on fish) that differs from that of conventional hydropower.  Hydrokinetic generation may have some impacts in common with conventional hydropower, but most impacts may differ in magnitude or kind.  The objective of this symposium is to bring together people involved in this emerging form of electricity generation to share existing information and identify critically important information needs.  This symposium will address the following general questions:

• What are the key uncertainties regarding impacts of hydrokinetic generation on fish?
• What do we already know?
• What information is transferable from conventional hydropower and what is not?
• What information is of generic (non-site specific) value to stakeholders?
• What are the important classes of equipment and what are their relative merits regarding fish protection?
• What are the issues involved with assessing cumulative effects of multiple machines and multiple projects?
• What and how can information be collected to maximize site-specific utility to stakeholders?