Pskov GRES, Serov GRES, Stavropol GRES, Surgut-1 Power Station, Adler hydroelectric power station and Troitskaya GRES are a part of JSC OGK-2. The total installed capacity of OGK-2 is 8,707 MW. The controlling shareholder of the company – Gazprom Energoholding LLC (100% subsidiary of JSC Gazprom).