After players enter the Power Substation during the Heart of the Iron Forest main quest in the Stalker 2: Cost of Freedom DLC, they'll find the doors to the generator room locked and will need to find a key. The key is nearby, but players will need to take a detour through the derelict building to fetch it. Here's a quick guide on how players can find the key to the generator room in Stalker 2: Cost of Hope during the Heart of the Iron Forest quest.
