Eversource late change on grounding transformer risks delay, $3 million tax credit for Rockingham County solar project

Revision Energy told the Rockingham County Board of Commissioners on May 22 that Eversource has unexpectedly reversed earlier interconnection findings and now requires a grounding transformer for the county’s new solar array — a change Revision said could add “low 6 figures” in rework costs and delay energizing the system by six to 12 months.