Duke Energy and AEP are asking federal regulators to settle a dispute with Northern Indiana Public Service Company (NIPSCO) surrounding investment and ownership rights of a proposed 240-mile transmission project in Northern Indiana. Acting on behalf of their joint venture, Pioneer Energy, Duke and AEP filed a petition with FERC on Friday to help bridge a regulatory gap in proposed transmission, which would connect Duke's Greentown Substation with the proposed New Reynolds substation. Pioneer believes that since the project was approved by the Midwest Independent System Operator (MISO), it s...