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PV System Design and Production Estimates

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  • How to Consider PV Production Losses from Snow Coverage?

    When installing PV systems in areas that get snowfall, you should consider snow as a source of PV production losses. These losses can be significant during the winter months.…
    • updated 10 mths ago
    • 27
    • PV System Design and Production Estimates
  • How do I model the boost from bifacial modules?

    SolarNexus doesn't currently offer an automated way to calculate the boost from bifacial panels; this is something you'll need to estimate using a formula or tool provided by the manufacturer,…
    • 1 yr ago
    • 6
    • PV System Design and Production Estimates
  • Why are SolarNexus PV estimates different from PVWatts / CSI EPBB calculator?

    2016-05 Update: SolarNexus no longer uses Clean Power Estimator's "PV Simulator." All PV simulations are run using PVWatts. There are no longer differences between SolarNexus and PVWatts simulations.…
    • updated 10 mths ago
    • 9
    • PV System Design and Production Estimates
  • Why does the PV Output graph show odd data for certain months?

    Occasionally, customers run across anomalous PV production patterns in an analysis, where one or two months show significantly lower production than expected.…
    • updated 10 mths ago
    • 7
    • PV System Design and Production Estimates
  • How does SolarNexus estimate PV production?

    SolarNexus integrates NREL's PVWatts (pvwatts.nrel.gov) for PV system production estimates. You can verify SolarNexus production estimates with PVWatts output,…
    • updated 10 mths ago
    • 12
    • PV System Design and Production Estimates
  • What is the proper format for entering latitude/longitude when the site address can't be found?

    When the site address can't be found in the SolarNexus address database and you check the "Manually enter latitude/longitude" checkbox, you should enter the latitude/longitude like this: Latitude: 38.…
    • updated 10 mths ago
    • 11
    • PV System Design and Production Estimates
  • Can I import PV production estimates from external tools like PV Syst?

    Presently, no. However, you can make SolarNexus reflect nearly the same production values by adjusting the SolarNexus' production estimate using the following process...…
    • updated 10 mths ago
    • 9
    • PV System Design and Production Estimates
  • My arrays appear to have shifted in the image, how to fix?

    The good news is that your arrays have not actually shifted. The bad news is that sometimes aerial image providers find errors in their imagery coordinates and when they fix it,…
    • updated 10 mths ago
    • 10
    • PV System Design and Production Estimates
  • Roof Anatomy

    Solar professionals really need to know the anatomy of a roof. Here is a pictorial glossary:
    • updated 10 mths ago
    • 12
    • PV System Design and Production Estimates
  • What Array Design Options Do I Have?

    Can I use "Bing" or another map image provider in the SolarNexus array layout tool? No. The SolarNexus auto-layout tool is currently limited to Google Maps and Nearmap imagery.…
    • updated 10 mths ago
    • 22
    • PV System Design and Production Estimates
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  • Integrations & Partnerships
    • Partnerships
      • Align Solar Protection
  • SolarNexus
    • Contact Support
    • About SolarNexus
      • Update Notes
      • Application Overview
      • Tips and Tricks
    • Administration
      • Integrating SolarNexus with Other Applications
      • Incentives and Finance Programs
      • Documents: Templates and DocuSign
      • Shared Company Resources
      • Reporting
      • Project Data
      • Resources: Service Offerings, Pricing, & Solution
      • Resources: Products and Catalogs
      • Project Milestones and Workflow Management
      • Account and User Management
    • Working with Jobs (Projects) and Solutions
      • Managing Sold Projects
      • Energy and Financial Analysis
      • PV Systems, Energy Storage, and Efficiency Measure
      • Manage Sales Opportunities
      • Create and Manage Jobs (Projects and Work Orders)
    • SolarNexus FAQ
      • Misc
      • User Account Maintenance
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      • Managing Company Catalog
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      • Financial Analysis
      • PV System Design and Production Estimates
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