MCF Energy lets Erlenwiese concession expire, seeks smaller licence area in Germany Rhine Graben
MCF Energy let its Erlenwiese concession in Germany’s Rhine Graben expire on Sept. 13, 2026. A one-year extension had run to Sept. 13, 2026, following a Sept. 12, 2025 notice from Hesse’s mining authority. The company plans to apply for a smaller concession area covering identified targets; approval remains pending. Di