Daryl Hannah is a Keynote Speaker at Fifth Annual Southern California Energy Summit

Actress/activist Daryl Hannah is scheduled to speak at the fifth annual Southern California Energy Summit at 1:30 p.m. today in Palm Springs, and event spokesman said. She's billed as one of five keynote speakers at the event.

Admission to the Summit is $75 and tickets are available at the venue, Palm Springs Convention Center, 277 N. Avenida Caballeros, summit spokesman Josh Zipperman said.

The theme of the conference, which concludes at 3:30 p.m. Oct. 4, is "Powering a Regional Clean Energy Economy." The summit schedule includes ducational sessions, keynote presentations, panel discussions and an exhibit hall for green technologies and vehicles, according to organizers.

Scheduled speaker Rep. Raul Ruiz, D-Palm Desert, was unable to appear, Zipperman said Friday morning. Kevin Kelly, general manager of Imperial Irrigation District, was expected to fill Ruiz' role.

Here's info from a Summit webpage that includes Hannah's bio:

Hannah has starred and acted in over fifty films and has been an effective, passionate activist and advocate for a more ethical sustainable world for decades.

She is the founder of the Sustainable Biodiesel Alliance (SBA), which is a certification program and set of best practices for sustainably produced, harvested  and distributed biofuels.

She sits on the boards of the Environmental Media Association (EMA), Sylvia Earle Alliance, Mission Blue, the Sustainable Biodiesel Alliance, the World Futures Council and the Action Sports Environmental Coalition. She has received numerous awards for her advocacy and activism.

For more info on the Summit visit www.socalenergysummit.org.