EPIS Releases New Version of AURORAxmp

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Version 12.3 introduces significant enhancements

Las Vegas, Nevada – April 25, 2017 — EPIS (www.epis.com), the market leader in power market
simulation, forecasting and analysis, announced the release of version 12.3 of its AURORAxmp
software at the Platts Global Power Markets™ Conference. The latest version boasts a number
of enhancements to storage logic, ancillary services, long-term logic, improved RPS modeling
and nodal capabilities.

AURORAxmp 12.3 further solidifies its position as the most valuable power market forecasting
and analysis software on the market today. It is fast, easy to use, and transparent. Upgrades in
the new version include:

  • Enhanced Storage Logic—improved ability to model the intricacies of renewable and
    storage integration, electric vehicles, and other technologies.
  • Ancillary Services Enhancements—significant enhancements, including sub-hourly
    dispatch and use in nodal studies, and improved MW reporting for simultaneous
    contributions to multiple products
  • Improved RPS Modeling—offers new option to identify resources not eligible to set
    capacity prices– especially useful when modeling RPS policies where renewable
    resources must be built but cannot participate in capacity markets. Also, RPS constraints
    can now be input as a percentage of demand or MWh value, giving more flexibility to
    specifying RPS targets over time.
  • Long-Term (LT) Capacity Expansion Logic Enhancements—now have the option to
    change dispatch-hour sampling dynamically—accelerating studies, but still providing
    detail on final production run.
  • New LT Constraint Types—including capacity and energy max limits, which provide
    more flexibility for build decisions to targets in LT studies.
  • New LT Reporting Option—new build report output table making it helpful to quickly
    see which constraints were binding (min, max by technology/fuel/area).
  • Nodal SCUC—version 12.3 also includes an exciting new option to run a full security
    constrained unit commitment (SCUC). The mixed-integer program that performs the
    commitment decisions, now accounts for nodal constraints, including branch, corridor,
    and contingency constraints. The new SCUC ability is in addition to a new, proprietary
    solving method that significantly speeds nodal analysis.

AURORAxmp v.12.3 is further enhanced by the proven and calibrated databases that either
come with the license or as an add-on, including: U.S.-Canada, Europe or Mexico. The calibrated
datasets simplify meaningful forecasting. All AURORAxmp databases include a base-case 25-year
power price forecast and generator capacity expansion and retirement plan. The sources and
procedures used to update the data are thoroughly documented. Updates to the databases are
provided under the annual AURORAxmp license.

For the past 20 years, AURORAxmp has had a reputation for being best-in-class, with unmatched
support. Version 12.3 further establishes its position as the leader in power market forecasting
and analysis.

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