Solar-Log® Commercial Revenue Grade Metering

The Solar-Log® Revenue Grade Metering with inverter direct solar PV monitoring provides the ultimate solution for measuring solar PV plant performance.

- Delivers high accuracy metering required by many plant owners, PPAs, and financing agreements for reporting, accounting, or billing purposes.

- Customizable solutions to achieve the needs of fleet managers, solar PV installers, reporting agencies and end users. 

Advantages of the Solar-Log® Revenue Grade Meter

  • Easy to install, maintain, and operate at a cost effective price-point for commercial and small-utility projects
  • Meter solar PV Yield, building load, and sub-consumption
  • Monitor net energy exporting in real time
  • Collect inverter data including alarms and codes
  • Power management to control inverter production, power factor, and grid export
  • Revenue grade accuracy for financial contracts (PPAs, etc.), incentive reporting, and Renewable Energy
  • Credit (REC) monetization
  • Export data over 3G cellular, or LAN connections

Monitoring Features

  • Inverter direct monitoring compatible with 100 inverter brands
  • Solar-Log® WEB “Commercial Edition” Fleet Management Tools - error codes, virtual irradiance, clustering, alerts and logbook for monitoring and end user dashboard
  • Solar-Log® Insight APP for iOS (iPhone, iPad an Apple Watch

Enclosure Features

  • Prewired Solar-Log®, energy meter, power supply, fusing blocks, RS485 ports and CTs as needed for fast installation
  • Indoor/Outdoor, IP-67 (Environmental type 4X) rated when used with proper cable screws and when cable conduits are properly sealed
  • Non-Fading enclosure made of polycarbonate and ABS plastic


  • ANSI C12.20 Class 0.2
  • Better than +/- 0.2% accuracy with appropriate CTs
  • Digital communications via RS485 (Modbus RTU)
  • 5 Amp version compatible with any standard 5A CT
  • mA version available for highest accuracy and safety
  • Leverages the power of the Elkor WattsOn Meter
  • Up to 32 units can be daisy chained to one Solar-Log®
  • Supports single (split) phase and three phase service
  • Cellular versions available
  • Optional interface for SCADA control integration including DNP3 or Modbus Protocol