MPU Assessment Tool

Productivity

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

MPU Assessment Tool The MPU Assessment Tool helps solar installers and electricians determine whether a Main Panel Upgrade MPU may be required before a solar installation. It is designed to provide quick consistent evaluations so teams can plan projects more efficiently and reduce unexpected issues during installation. WHAT IT DOES Enter key details about a customers electrical panel including panel manufacturer main breaker rating panel amperage and proposed solar system size. The app calculates whether an MPU may be required and provides a clear explanation of the result. KEY FEATURES MPU Determination Provides a yes or no result based on the 120 percent rule and known panel types such as Federal Pacific Zinsco and Pushmatic. Location Based Flags Highlights potential compliance concerns such as panels near sinks in wet areas over steps or in restricted locations. Backfeed Amps Calculation Calculates required backfeed amperage to help determine appropriate breaker sizing. Assessment History Save and review previous assessments for future reference. Search and Filter Quickly find saved assessments by customer name or address. iPhone and iPad Support Optimized for use in the field. WHO IT IS FOR Solar installers Electricians Project managers Site surveyors Solar sales consultants WHY IT MATTERS Accurate MPU assessment helps reduce project delays unexpected costs and rework. The app provides consistent calculations to support better planning and communication. SUBSCRIPTION Full access is available for 19.99 per month. Payment is charged to your Apple ID at confirmation of purchase Subscription automatically renews unless cancelled at least 24 hours before the end of the current period Your account will be charged for renewal within 24 hours prior to the end of the current period You can manage or cancel your subscription in your Apple ID account settings LEGAL Privacy Policy https://mpuassessment.com/Privacy Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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The developer, Lee Hatley, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

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    Accessibility

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    Information

    Seller
    Lee Hatley
    Size
    4.9 MB
    Category
    Productivity
    Compatibility
    Requires iOS 15.0 or later.
    • iPhone
      Requires iOS 15.0 or later.
    • iPad
      Requires iPadOS 15.0 or later.
    • iPod touch
      Requires iOS 15.0 or later.
    • Mac
      Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    © 2026 MPU Assessment Tool. All rights reserved
  • Privacy Policy

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