The second order (1,600 MW) primary fuel is natural gas. The plant uses fuel oil as its reserve fuel and gas and fuel oil as its starting fuel.
For Unit No. 7 (GRES-24 – 420 MW), the primary fuel is gas; no reserve fuel is stipulated.
Among the main competitors of Ryazanskaya GRES are the plants owned by JSC Mosenergo and JSC Quadra Generating Company, Kashirskaya GRES (JSC “INTER RAO – Electric Power Plants”), Kostromskaya and Cherepetskaya GRES (JSC “INTER RAO – Electric Power Plants”), GRES-5 Shaturskaya and Smolenskaya GRES (JSC E.ON Russia) and Konakovskaya GRES (JSC Enel OGK-5). Besides, the 500 kV grid is also fed from Novovoronezhskaya, Kalininskaya and Smolenskaya NPPs (JSC Concern Rosenergoatom) and Volzhskaya HPP (JSC RusHydro), as well as by the electricity flow from the Mid-Volga and Ural UPSs.
The plant has no seasonal nature of power limitation.