Energy Resources Integration Services


Energy Resource Integration and Interconnection

In recent decades, the electrical power industry has seen a significant increase in remote generation installations consisting primarily of wind, solar, geothermal, and biomass renewable sources. The geographic location of these new generation technologies, located at or near the point of interconnection, provide the opportunity for increased grid efficiencies, availability, and reliability. However, to fully realize the benefits, remote resources must be designed and integrated into the overall bulk power grid in a way that minimizes generator contribution to undesirable effects on existing grid assets and operation. This requires generators to design, test, and commission systems in accordance with uniform regulatory criteria. Our extensive experience lies in the ERCOT, SPP, WECC, MISO, CAISO, PJM, ISO-NE, NYISO and Southeast markets.

The true value of working with EPE is that we keep our clients ahead. Our goal is to consistently exceed expectations by ensuring our clients maintain a competitive advantage in their respective market pursuits. Trust Electric Power Engineers with Interconnection support, testing & commissioning.


We tailor our services to ensure your project’s success and we consider ourselves an extension of your team.


  • PSCAD Model Development and SSR Support​​​
  • PSCAD Model Tuning​​​
  • PSSE Model Development​​​
  • Dynamic Model Tuning and Testing​​​
  • PPC Model Development and Tuning​​​
  • TSAT Model​​​
  • PSLF Model Development​​​
  • Aspen Model Development​​​
  • Interconnection Application​​​
  • Preliminary Technical and Financial Feasibility Study​​​
  • ERCOT Interconnection RARF (SS & FIS)
  • Full Registration RARF and ERCOT Registration Support​​​ 
  • Planning Model RARF and QSA Requirement Support​​​
  • Interconnection Application Scoping Meeting​​​
  • General Interconnection Support​​
  • ISO-NE IA support and PSCAD/PSSE Benchmarking Study

    Design/System Studies

    • Reactive Power Compensation Study​​​

    • Site Conceptual Layout​​

    • Collection System Design​​​

    • Substation Protection Single Line Diagram​​​

    • Substation Location Optimization Study​​​ 

    • Insulation Coordination Study​​, Lightning, TOV, and TRV​ 

    • Flicker Study​​​​ and Harmonics Analysis​​​

    • Effectively Grounded Analysis​​​

    • Capacitor Bank Size Optimization​​​

    • Capacitor Bank Step Sizing​​​

    • Capacitor Switching Study​​​

    • Cable Thermal Ampacity Analysis​​​

    • Arc Flash Hazard Analysis​​​

    • Load Flow and Loss Analysis​​​

    • Short Circuit Study​​​

    • Protection Relay Coordination Study​​​ 

    • Inductive Coordination Study
    • Pre-energization Harmonic Study

    • Relay Coordination Study, Setting & Philosophies

    • Lightning Protection Study

    • P50 PVSyst Production Estimate Report

    • Ground Study

    • Post-Energization Harmonic Study

    • AC & DC Cable Ampacity Study

    Other Services

    • Grid Code and Smart Grid Development
    • Demand (Load) Forecasting
    • Insulation Coordination
    • ISO Integration Analysis and Support
    • Distribution and Transmission System Mapping
    • Expert Witness Support
    • Utility Coordination
    • Training, Seminars, and Support | ISO Support and Representation

    Case Study

    Horse Creek Wind IT & C

    • Updated and assisted in the submission of the Resource Asset Registration Forms (RARF) of the Horse Creek Wind through the ERCOT Market Information System (MIS) site
    • Completed the commissioning plan narrative for the project in accordance with ERCOT’s latest Interconnection Handbook
    • Completed and provided technical support during the Lagging/Leading reactive power tests, Primary Frequency Response (PFR), and Automatic Voltage Regulator (AVR) tests
    • Performed a generator/grid frequency scan to determine any potential resonant points that may coincide with the grid side frequency scan
    • As a second step, EPE completed a detailed SSO study using a PSCAD™ model made up of the equivalent project model and the equivalent AEP system model representing the area of concern for SSO

    How can we help you?

    Discuss your project with our power and energy experts.