Electrical power supply security and reliability - assessing the viability of hospital expansion

Existing electricity power supplies must serve or, be adapted to serve, the expansion of hospital buildings. With the existing power supply assets of many hospitals being up to twenty years old, assessing the security and reliability of the power system must be given appropriate priority to avoid unplanned outages due to overloads and equipment failures. It is imperative that adequate contingency is planned for essential and non-essential electricity circuits. This paper describes the methodology undertaken, and the subsequent recommendations that were made, when evaluating the security and reliability of electricity power supplies to a number of major London hospitals.