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HV & MV Load Flow Studies FAQs

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May 9, 2025 | Blog

HV & MV Load Flow Studies FAQs

Welcome to Keentel Engineering. Here, we answer your most pressing questions about power flow analysis—what it is, why it matters, which software we use (ETAP, PSS®E, PowerWorld), data requirements, deliverables, and how often studies should be refreshed. Dive in to get expert guidance for optimizing your high- and medium-voltage networks.


Frequently Asked Questions (FAQ)

  • Q1: What is a Load Flow Study?

    A Load Flow Study (or power flow analysis) evaluates the steady-state operation of an electrical network, calculating voltages, active/reactive power flows, and system losses to ensure voltage stability and efficient power delivery.

  • Q2: Why are Load Flow Studies essential for HV/MV systems?

    They help you:


    • Verify voltage compliance with ANSI/IEC standards
    • Optimize conductor sizing and transformer tap settings
    • Prevent overloads and voltage drops
    • Support protection coordination, arc-flash, and short-circuit studies
    • Plan for future DER or renewable integrations
  • Q3: Which software platforms do you use?

    We leverage ETAP, Siemens PSS®E, and PowerWorld for scalable, high-fidelity simulations across HV and MV networks.

  • Q4: What data does Keentel need to begin?

    • Single-Line Diagrams (SLDs)
    • Bus & line impedance, length, ampacity
    • Transformer and generator specs
    • Load profiles (kW/kVAR)
    • Renewable resource data (PV, wind, BESS)
    • Contingency and switching scenarios
  • Q5: What are the typical deliverables?

    Our detailed report includes:


    • Bus voltage profiles
    • Branch power flows & losses
    • Transformer loading & recommended tap settings
    • Color-coded one-line diagrams
    • System efficiency metrics
    • Actionable improvement recommendations
  • Q6: How often should studies be refreshed?

    Update whenever you add major loads/generation or reconfigure the network—and at least every 3–5 years for critical or NERC-jurisdictional facilities.


  • Q7: Do you handle renewable interconnection studies?

    Yes. We perform load flow analysis for solar, wind, and utility-scale BESS interconnections, ensuring compliance with ISO and utility requirements.

  • Q8: Are load flow studies required for permitting?

    Often—utilities, ISOs, and permitting bodies typically mandate power flow analysis for grid impact assessments and interconnection approvals.

  • Q9: Can load flow be integrated with other studies?

    Absolutely. We bundle Load Flow with Short-Circuit, Protection Coordination, Arc-Flash, Harmonics, and Stability analyses for turnkey project support.



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About the Author:

Sonny Patel P.E. EC

IEEE Senior Member

In 1995, Sandip (Sonny) R. Patel earned his Electrical Engineering degree from the University of Illinois, specializing in Electrical Engineering . But degrees don’t build legacies—action does. For three decades, he’s been shaping the future of engineering, not just as a licensed Professional Engineer across multiple states (Florida, California, New York, West Virginia, and Minnesota), but as a doer. A builder. A leader. Not just an engineer. A Licensed Electrical Contractor in Florida with an Unlimited EC license. Not just an executive. The founder and CEO of KEENTEL LLC—where expertise meets execution. Three decades. Multiple states. Endless impact.

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A bald man with a beard is wearing a suit and a white shirt.

About the Author:

Sonny Patel P.E. EC

IEEE Senior Member

In 1995, Sandip (Sonny) R. Patel earned his Electrical Engineering degree from the University of Illinois, specializing in Electrical Engineering . But degrees don’t build legacies—action does. For three decades, he’s been shaping the future of engineering, not just as a licensed Professional Engineer across multiple states (Florida, California, New York, West Virginia, and Minnesota), but as a doer. A builder. A leader. Not just an engineer. A Licensed Electrical Contractor in Florida with an Unlimited EC license. Not just an executive. The founder and CEO of KEENTEL LLC—where expertise meets execution. Three decades. Multiple states. Endless impact.

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