FOR IMMEDIATE RELEASE
PLEXOS Solutions LLC conducts first North American User Meeting
May 11, 2006
SACRAMENTO, California – PLEXOS Solutions LLC completed its first North American user meeting at the offices of the Roseville Electric Department. In a sign of maturing product acceptance and increased customer support, the company conducts annual user meetings to interact with customers.
The meeting was well attended by customers in the western US. Customer presentations included use of PLEXOS to forecast LMPs, competitive benchmarking to assess market efficiency, and evaluation of combined cycle generation options.

Eric Toolson, CEO of PLEXOS Solutions conducted the meeting and also provided a detailed overview of the use of PLEXOS. DR. Tao Guo, VP of Technical Services, demonstrated PLEXOS for a variety of business uses. Dr. Glen Drayton participated in the conference via video conferencing and web presentation. Customers provided feedback on product features and usage.
Dr. Drayton discussed the significant improvements that have gone into the current V 4.8 release. Key among these features are greatly expanded LMP modeling and significant refinements in the use of Mixed Integer Programming (MIP) to solve the unit commitment problem.
Dr. Drayton also reviewed some of the key features coming up. The next major releases will include an MIP based capacity expansion module and numerous interface improvements designed to keep PLEXOS an leader in “ease-of-use”.
About PLEXOS for Power Systems: PLEXOS can be deployed as either a desktop solution or embedded in enterprise systems. PLEXOS uses an industrial strength LP/QP/MIP solver to deliver solutions to tough utility problems. Together with Dr. Drayton’s proven formulation of the energy/AS co-optimization problem, PLEXOS is the platform at over 30 organizations globally for solving problems in:
• Operations – unit commitment and transactions, bid optimization
• Planning / Risk – emission and fuel allocations, asset evaluation, and budgeting
• Market Analysis – multiple models of competition, realistic operating reserve enforcement, integrated expansion planning
• Transmission Analysis – large networks with complex constraints, integrated unit
• Commitment and network dispatch, LMP price formation, value of CRR’s or FTR’s
About PLEXOS Solutions LLC: The Company is focused on bringing software solutions to utilities, gencos, consultants, and ISOs. The management and technical team understands this market and knows how to assist customers to deploy the next generation solution.
Contact / More Information: For more information on how to improve your operations, planning, market forecasting, and transmission analysis call Eric Toolson at (916) 722-1484 (e-mail etoolson@plexossolutions.com) or visit www.plexossolutions.com.
PLEXOS Solutions LLC
6929 Sunrise Blvd, Suite #101
Citrus Heights, CA 95610
(916) 722 -1484 phone