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  • Author: Olaf Schulze

METRO's climate saving & energy strategy to achieve next level

Corporate programme to achieve 50% less CO2 until 2030

This article includes several parts:

A few days after COP21 at the end of 2015 METRO GROUP published its new corporate climate saving target as the previous 2020 CO2 reduction target had been already achieved four years earlier than expected.

The second pillar to achieve METRO’s ambitious new climate target 2030 is the F-Gas-exit programme. It is an investment programme having the objective to exchange hydro fluor carbon (HFC) refrigerants in the existing cooling equipment with natural ones according the life cycle. The main focus is to install transcritical systems for the refrigeration. Where this is not technically feasible subcritical systems or other refrigerants with low global warming potential are installed.

In the meantime METRO installed in 750 METRO Cash & Carry stores more than 40 transcritical and more than 65 subcritical systems. The subcritical systems have been installed in Russia and China mostly. All of our storages are operated with ammonia. By proper maintenance and repair as well as the F Gas exit programme METRO could reduce its HFC leakages in the fiscal year 2016 from 11.4% to 9.8%. The target is to reduce the emissions from refrigerants from 2011 until 2030 by approx. 90%.

Renewable Energy Programme

The renewable energy programme sets out METRO’s strategy to either install renewable production plants at the store, foremost photovoltaic (PV) panels, or to buy green energy from renewable production plants in the neighbourhood of our stores, e.g. in Bangalore/India from wind farms or in Germany from a biomass producer in METRO Brunnthal or in the storage Reichenbach.

During the previous fiscal year e.g. we could start with 8 PV systems in China, in the next week we will finish our 2nd project in Turkey, and with the new store opening in Barcelona we will also install a photovoltaic system. If renewables are not technically possible or not effective METRO also makes use of combined heating power plants to produce high efficient and low emission heat and electricity. In September 2016 we started with the operation of a 800 kW small power plant in Nishni Novgorod in Russia.

In Dongguan/China METRO opened its first green store at the beginning of September 2016. We bundled a lot of fundamental technical issues, e.g. LED, daylight usage, high efficient A/C, closed cooling furniture, creation of different temperature zones in store, subcritical cooling systems with heat recovery to avoid any other sources to heat the water to reduce the electricity demand Close to 50% and to produce approx. 50% of such electricity by a 800 kW photovoltaic plant top roof and with a south façade integrated System. Further Features of the green store is a small wind mill park on top of the street lamps, an advanced waste management and rain water usage system, five car e-chargers and a charger carousel for e-scooters. Currently we are in the certification process for a LEED building certificate.

Zero Emission: METRO ZEUS Project

In September 2016 METRO started with its METRO ZEUS project in St. Pölten, Austria. The objective: to build a new store with zero emissions. For the building and the store operations - from lighting to cooling to cashier processes - we use only so much electricity as the store can produce in balance with its top roof photovoltaic system.

It will be a new milestone in a 8,500 m² wholesale store architecture and operations, well connected to logistics, costumer traffic and commuting, building materials and after life cycle recycling processes. With the store METRO seeks to apply the building for a BREEAM certification. Similar projects are in the pipeline – to reduce METRO’s energy demand and carbon foot print.

METRO will consequently execute ist climate saving strategy. In line with it, METRO has now for company cars a solution to select hybrid or e-cars, the expansion with e-chargers started. The usage of office paper we reduced by a new printer and print out policy.

Step by step and month by month METRO does its best – for our customers, for our employees, for our planet, wherever we are operating.

Olaf Schulze

Information about the author

Olaf Schulze is Head of Energy Management at METRO AG.
Olaf.Schulze@Metro.de

This article includes several parts: