Engineering & Interconnection Services


We help our clients from the early development stages to initial grid sync
to commercial operation and market bidding.

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Grid Subject Matter Experts’ Power Systems Engineering and Interconnection Services practice is staffed with registered professional electrical engineers with experience in transmission planning, operations engineering, and power/control systems design. Services offered include: studies in transmission ratings; transmission and generation interconnection system impact studies; under-voltage load shedding assessment; voltage stability assessments; resource adequacy assessments; CIP criteria evaluations; operating studies; loss factor and economic power-flow studies. We have expertise in General Electric’s PSLF power system modeling software, as well as PTI’s PSS/E and PSCAD modeling and power flow analysis tools. We are adept in performing power flow, post-transient governor-power flow, voltage stability (QV/PV), and transient stability studies.

Engineering & Interconnection Consulting Services

Our consulting teams assist clients by leveraging their diverse skill-sets, always striving to help facilitate change in this ever-evolving industry. Through industry expertise and careful collaboration, we pride ourselves on helping clients facilitate change, grow their business, meet compliance obligations, and reduce business risk.

Our dedicated team of power engineers have extensive experience in transmission planning, operations planning, and system modeling to meet clients’ needs in the following areas:



  • Transmission Capacity Assessments
  • Economic and Alternative Assessments
  • Under-Voltage Load Shedding Assessments
  • Utility or RTO/ISO Interconnection Requests
  • Preliminary Facility and Interconnection System Design
  • Power Flow Analysis and Impact Studies
  • Generator Power Flow and Dynamic Modeling
  • Independent Engineering Analysis
  • Due-Diligence Support
  • Preliminary & Detail Design
  • Site Plans & Elevation Layouts
  • Interconnection Facility Designs & Cost Estimates
  • Equipment Specifications
  • Studies in Transmission Ratings
  • Operating Studies
  • NERC Standards Compliance
  • Resource Adequacy Assessments