Federal Reliability Requirements 
Ameren’s Approach to the New Federal Reliability Requirements
In 2007 the Federal Energy Regulatory Commission (FERC) began mandating legally enforceable reliability requirements necessary to protect the transmission grid from disturbances. In response to these requirements, Ameren has adopted a proactive approach to right-of-way management. 
This involves:
  • Establishing greater clearances between trees and transmission lines.
  • Cutting incompatible trees down where the same trees had been trimmed in the past.
  • Asking landowners to move newly planted trees inappropriate for the location.
For an inspection of your tree and line situation, call:

Illinois:     800.755.5000
Missouri: 800.552.7583
Reference Code TMT - Contact Us
Any permission for plantings (including, but not limited to, maximum heights, clearances, and buffer zones) on this website are subject to change without notice and from time to time by Ameren Corporation or any of its subsidiaries. Current and future rules, regulations and orders of federal and state authorities may restrict or prohibit plantings, or may require changes to plantings, without notice and from time to time. Ameren reserves the right to require trimming or removal, at Ameren’s sole discretion, of any plantings previously permitted, whether under this brochure or otherwise. No rights to maintain any planting will result from reliance on this brochure or any other authorization of Ameren Corporation or its subsidiaries.
Federal Reliability Requirements, tree, trimming, FERC, legally, lines, prune, vegetation, management, grass, brush
Follow Us