Electric substation
An electrical substation (PS) or transformer substation (TP) is an electrical installation designed for transforming and distributing electric energy, consisting of transformers and other energy converters, distribution equipment (RU), control devices, technological buildings and auxiliary structures
Source: ORDER OF STATE UNITARY ENTERPRISE OF MOSCOW OBLAST "MOBТИ" dated September 5, 2001 No. 12-p
"ON APPROVING TEMPORARY METHODOLOGICAL GUIDELINES FOR COMPOSING TECHNICAL PASPORTS OF ELECTRIC NETWORK COMPLEXES FOR THE PURPOSES OF STATE REGISTRATION OF RIGHTS TO REAL ESTATE"