Feedback on New Hampshire Line X-178 Rebuild
To: Eversource (Attn: Robin Lafayette)
From: NESCOE Staff (Contact: Sheila Keane)
Date: March 14, 2024
Subject: New Hampshire Line X-178 Rebuild
CC: ISO-NE; Planning Advisory Committee (PAC)
NESCOE writes regarding Eversource’s New Hampshire Line X-178 Rebuild asset condition project, which Eversource presented at the February 28, 2024, Planning Advisory Committee (PAC) meeting.[1] As part of the project, Eversource proposes to fully rebuild this line and replace 580 of the 594 existing structures for an estimated cost of $384.61 million (-50%/+200%).
As discussed below, NESCOE is troubled by the lack of compelling evidence to justify a project of this scale as well any consideration or discussion of lower cost, targeted intervention alternatives.