The Federal Energy Regulatory Commission has accepted tariff modifications filed by the FERC-jurisdictional members of NorthernGrid — Avista Corporation, Idaho Power Company, MATL, NorthWestern Energy, PacifiCorp, Portland General Electric Company, and Puget Sound Energy. The filings asked FERC to accept modifications to each filing party’s Open Access Transmission Tariff transmission planning section to reflect the new NorthernGrid regional transmission planning process.