UL 1741 Supplement B

Entity

UL 1741 Supplement B standardizes interconnection requirements for distributed energy resources.

Sector: research-academic
HQ: IL, US
Stories: 3 on MGRID.org

Stories about UL 1741 Supplement B (3)

IEEE 1547 Compliance Push Accelerates as 18 States Legislate Grid

September 1, 2025 · Power Quality

4 sources Browser Check In a significant regulatory shift, eighteen U.S. states are now mandating IEEE 1547 compliance for distributed energy resources, marking the most substantial standards push for DER…
DOE Issues 39-Solution Roadmap for DER Interconnection by 2030

May 10, 2025 · Power Quality

4 sources Verified The Department of Energy published its DER Interconnection Roadmap with 39 solutions targeting sub-one-day interconnection for small systems by 2030 and broader IEEE 1547-2018 adoption nationwide.
IEEE 1547-2018 Revision Underway as P1547 and IEEE 2800 Reshape

March 20, 2025 · Power Quality

5 sources Active revision of IEEE 1547-2018 via P1547 and new IEEE 2800 for inverter-based resources are tightening ride-through, communications, and voltage support requirements for DER interconnection nationwide.