Enabling Energy Efficiency in Commercial Buildings

GEORGIOS TAMBOUREAS

Construction and Infrastructure Management Director,

OTE Estate- CREM

FOINIKAS Thessaloniki

Kerameikos Call Center

KERAMEIKOS

OTE ESTATE – CREM premises

OTE HQ

NMC - OTE Headquarters

Annual data for 2015

• Total energy consumption in Greece was approx. 46,5 TWh

• Total energy consumption of ΟΤΕ and COSMOTE was 487 GWh

(almost 1% of the total of Greece)

• Buildings energy consumption of ΟΤΕ and COSMOTE was the

12% of the Group consumption

ENERGY CONSUMPTION 2015

Energy Efficiency

OTE GROUP

ENERGY CONSUMPTION IN NON NETWORK SITES

OFFICE SPACES / CALL

CENTERS / WAREHOUSES:

CORPORATE SHOPS

Cosmote –Corporate Germanos

IT DATA CENTERS

~31 Gwh

20 buildings (80% of total population)

~145.000 m2

~10 Gwh

137 Corporate Shops

68.000 Kwh per year/ shop

~20 Gwh

Energy Efficiency

Shops 10 GWh

Data Centers 20 GWh

Offices Call

Centers Warehouses

31GWh

Non Network Consumption (~ 60GWh)

MAIN OBJECTIVES

Corporate Sustainability / Workplace wellness /

Energy efficiency

Modeling and Optimization in Strategic Space

Management

Sustainable design concepts in new

construction and major renovation projects.

Specific Structure for Energy Management of critical sites

(Call Centers , Data Centers, Large Office Buildings)

Monitor & Control and Problem management

Installation and operation of BMS and BEMS systems .

Certification according to ISO 50001:2011/Energy Audits

Recommissioning of critical infrastructure

Installation of Smart metering devices

Personnel education regarding energy management

issues .

BUILDINGS ENERGY MANAGEMENT

Energy Efficiency

BEMS DATA ANALYSIS

Energy Efficiency

BEMS DATA ANALYSIS

Energy Efficiency

ENERGY CONSERVATION MEASURES FOR BUILDINGS

Rational use of buildings and space consolidation In 2015, the building area used by OTE Group was reduced approx. 9.000 m2 (1%)

compared to 2014

Energy retrofit of buildings (offices & shops)

Sustainable design and materials.

Roof garden in buildings

Solar tubes in buildings (i.e. warehouses)

Remodelling of the OTE retail stores.

Renewables

Roof-top photovoltaic systems

Buildings certification

Certification according to widely recognized environmental assessment like LEED, BREEAM

etc

Energy Efficiency

THANK YOU !