New HESS (beta)     Watch New HESS Tutortial

Modern layout, improved navigation, mobile-friendly, and more consistent.

Recommended
Screenshot of New HESS interface
  • A Modern, Clean Look (Lato font, professional blues/greys, optional Dark Theme, Comfortable/Compact spacing)
  • Improved Navigation (fixed sidebar, clearer icons, smart section highlighting, summarized alerts with severity colors)
  • Better for Mobile & Tablets (responsive layout, hamburger menu, collapsible filters)
  • Consistent Tables & Lists (alternating row colors, sticky headers, unified filters, improved map controls)
  • Under-the-Hood Performance (faster initial load, smarter redirects, fewer login/session loops)
Please provide feedback with the Support button or email us at hessfeedback@grid2020.com
Launch New HESS https://hess.grid2020.com/hess2/index.jsp

Classic HESS

The original HESS interface (legacy look & navigation).


Classic
Screenshot of Classic HESS interface
  • Use this version if you prefer the familiar layout or if you are following older documentation.
  • If you run into issues in the new interface, you can always switch back here.
  • There will be very limited future upgrades, only addressing serious issues.
Launch Classic HESS https://hess.grid2020.com/HESS/index.jsp