Oglethorpe Power Corp EVP Heather Teilhet to Resign After CEO Selection

What Happened
Oglethorpe Power Corp filed an 8-K reporting that on August 3, 2026 Georgia Electric Membership Corporation’s board selected Heather H. Teilhet—Oglethorpe’s current Executive Vice President, External Affairs—as its next President/CEO, effective January 4, 2027. Ms. Teilhet informed Oglethorpe she will resign from her current role effective January 1, 2027 and will remain with Oglethorpe through that date to help identify and transition her responsibilities. Oglethorpe intends to begin a search for her replacement.

Key Details

• Selection date: August 3, 2026 (Georgia Electric Membership Corp board decision).
• New role effective: January 4, 2027 (President/CEO of Georgia Electric Membership Corp).
• Resignation effective from Oglethorpe: January 1, 2027.
• Current role: Heather H. Teilhet is Oglethorpe’s Executive Vice President, External Affairs; company will start a search for her successor.
• Filing also included the cover page Inline XBRL interactive data (Item 9.01).

Why It Matters
This 8-K documents a planned senior leadership change that will remove a current executive from Oglethorpe’s leadership team at the start of 2027. For investors, the main implications are operational continuity and external affairs leadership during the transition; Oglethorpe has stated Ms. Teilhet will assist with handover and that the company will search for a replacement. The filing contains no financial terms or other compensatory details related to the change.