FERC on Thursday accepted PJM tariff changes covering non-rate provisions for black start service, including commitment and termination periods, as well as outage and substitution restrictions (ER21-1635-002).

The letter order directed a further compliance filing within 30 days to make agreed-upon revisions to an initial compliance filing that set forth details concerning the formulaic capital recovery factor (CRF) that the commission found essential to the rates, terms and conditions of black start service.

PJM Market Monitor Joe Bowring in April said the CRF table was originally created in 2007 and included incorrect assumptions. Black start unit owners and other stakeholders asserted that any changes to the CRF table should only be applied prospectively, and any rates currently in place should remain changed. (See PJM to File Black Start Proposal Without Members’ Endorsement.)

In October, PJM filed reply comments agreeing with the Market Monitor, explaining that the CRF formula used prior to June 6, assumed a 100-MW combustion turbine plant with a $1,000,000 capital investment. The RTO agreed that the formula no longer uses those assumptions and asked to remove the references to the assumed type of unit.