Heimdall AAR

Our future-ready Ambient Adjusted Ratings-product, ensuring compliance with FERC Order 881 in a fast, safe and cost-effective way.

Compliance in an instant

Stop worrying about compliance with FERC Order 881. With Heimdall AAR, everything is taken care of, so you can get compliant in no-time.

Add our Facility Ratings module for quick and easy compliance with NERC FAC-008. 

Tailored to Your Needs

Whether you just want a baseline solution that helps you meet the regulatory requirements, or a more advanced solution that can increase your operational safety and transmission capacity further, Heimdall AAR will be delivered to meet your exact needs.


While Dynamic Line Rating is not a regulatory requirement as of yet, many industry experts predict that it will be in the not so distant future. With Heimdall AAR implemented, you get a fully future-proof solution, that can be upgraded to DLR totally hassel-free, at any time. 

Key features

Heimdall AAR makes you FERC Order 881 compliant in an instant, while also increasing your transmission capacity in a fast, safe and cost-effective way.

  • FERC Order 881 compliant
  • Emergency ratings
  • 10 days forecasting with hourly resolution 
  • Easy integration with SCADA / EMS
  • Building on best-in-class weather data with 300x300ft resolution
  • Add our Facility Ratings module for compliance with NERC FAC-008, to get all your ratings in one system 
  • Seamless upgrade to DLR in the future
  • Calculated based on industry standards (IEEE 738-2012 or CIGRE TB-601)

Our other grid enhancing products

Heimdall DLR

Our world-leading Dynamic Line Rating solution. Choose your mix of virtual and physical Neurons to achieve the perfect balance of precision and low cost for your system-wide projects.

Physical sensors installed by our patented autonomous drone. 

Heimdall HEALTH

Whether you want to do fault detection & localization, monitor icing or just the general line health, Heimdall HEALTH is safeguarding your assets 24/7/365.

Can be added on select lines in system-wide capacity monitoring projects. 

Interested in more information?

Please fill out the form and we will provide you with more information shortly.


Engaging with our Vendor Partners and Suppliers

We expect our vendor partners to maintain the highest standards of business ethics, integrity and respect for human rights and to become familiar with and comply with our policies as outlined in our Partner Guide. We also expect vendor partners to operate their businesses in compliance with all applicable laws and to maintain lawful environmental, health and safety practices that meet or exceed all applicable laws and standards, as outlined in our Position on Human Trafficking and Slavery.

Heimdall Code of Conduct

The Supplier is to hold and maintain at all times the Heimdall Code of Conduct addressing human rights, worker rights, the environment and corruption.

The Supplier must acknowledge HP’s Code of Conduct in all new contractual arrangements. The Supplier must do this by signing the HP Compliance Letter (exhibit).

The Supplier is obligated to communicate the contents of Compliance Letter (Exhibit) to related entities and subcontractors who support the Supplier in supplying goods, works or services on behalf of HP. This will ensure that subcontractors conduct their business in accordance with the Code of Conduct.

If requested by HP, the Supplier must provide evidence and confirmation of its compliance with the Compliance Letter (Exhibit), including by providing documents and records in support of its compliance.