Renegy to Announce First Quarter Financial Results On May 14

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TEMPE, Ariz., April 30, 2008 (PRIME NEWSWIRE) -- Renegy Holdings, Inc. (Renegy) (Nasdaq:RNGY), a renewable energy company focused on acquiring, developing and operating a growing portfolio of biomass power generation facilities, announced today that it will release first quarter 2008 financial results after the market closes on Wednesday, May 14.

In connection with this announcement, Renegy will host a live conference call and webcast to discuss its results and an update on the business at 1:45 p.m. Pacific Time (4:45 p.m. Eastern Time) the same day. Interested parties are invited to listen to the call over the Internet by accessing the Company's website at Webcast participants should allot extra time before the webcast begins to register and, if necessary, download and install audio software.

 Date:	May 14, 2008
 Time:	1:45 PM PT

Listen via Internet:

Schedule this webcast into MS-Outlook calendar (click open when prompted):

 Toll-free:     1-866-543-6215
 International: 1-706-679-1559
 Password:      44915661

An archived version of the webcast will be available for replay on the Company's website beginning approximately two hours following the conclusion of the live call and continuing for a period of 30 days. A replay of the call will also be available via telephone through May 21, 2008. To access the replay, dial 1-800-642-1687 (1-706-645-9291 for international callers), using passcode 44915661.

Renegy, based in Tempe, Arizona, is a renewable energy company focused on acquiring, developing and operating a growing portfolio of biomass power generation facilities. Renegy seeks to rapidly grow its renewable energy assets with the goal of becoming the leading independent power producer (IPP) of biomass electricity in North America utilizing wood waste as a primary fuel source. Renegy's current biomass power generating assets include a 24 MW facility near Snowflake, Arizona that is scheduled to begin commercial operations this quarter, and an idle 13 MW biomass plant in Susanville, California that has the potential to be restarted by the end of 2008. Renegy also recently signed Letters of Intent for the acquisition of two additional biomass facilities -- an operating 20 MW facility in Loyalton, California and an idle 18 MW facility in Ione, California. Renegy's other business activities include an established fuel aggregation and wood products division, which collects and transports forest thinnings and woody waste biomass fuel to its power plants, and which sells logs, lumber, shaved wood products and other high value wood by-products to reduce the cost of fuel for its primary business operations. Find Renegy on the Worldwide Web at

Renegy Holdings, Inc.
Megan Meloni, Director, Investor Relations
(650) 631-2847