Opera House of Barcelona, Spain

EXAMPLES OF ENERGY

SERVICE MODELS

Opera house building in old center of Barcelona

• Surface: 35.000 m²

• Opera room: 9.000 m³ (2.292 seats)

Initial Situation

The opera house of Barcelona (Gran Teatre del Liceu) resides in the old city center. It has a total surface of 35.000 square meters. The main opera room has a surface area of 9.000 square meters and can hold 2.292 seats. The building initially consumed 9 GWh of electricity and 1.3 GWh of heat annually. There was a need to implement energy efficiency improvements, but no funds were available.

Goals of building owner

      ─ Action Plan 2009 – 2015: to improve energy efficiency to achieve savings

      ─ Reducing the energy consumption of the whole building

      ─ This action plan was structured in 2 phases: First: one year of Good Practises and Measure; Second: Investments and management (5y)

IMPLEMENTED VIA AND

MEASURES IMPLEMENTED BY EPC

          ─ Chillers retrofit: Implementation of oil free magnetic chillers (high technology and efficiency)

─ New control system for the whole facility (BMS)

6 YEARS

INVESTMENT

ENERGY COSTS 2010 (BASELINE)

GUARANTEED SAVINGS IN EURO

GUARANTEED SAVINGS IN %

43.8 % (ELECTRIC)

35.8 % (THERMAL)

      ─ The possibility for financing energy saving measures

      ─ Reducing costs and demonstrating savings

      ─ The project was financed within a framework of PPP contracts (public private partnership)

      ─ A continuous improvement cycle was implemented and the building obtained the ISO 50001 certificate for its EMS in 2011

      ─ Additional reduction of noise pollution and water consumption