Finland has the World’s Most Energy-Saving Supermarket – Half of the Energy it Consumes is Solar in Origin

The world's most energy-efficient supermarket, which consumes only 40 percent of the energy of a normal grocery store, is located in Finland. A new solution helps the retailer save around 180,000 euros in energy costs. The technology is now ready for use on commercial premises in general.

energysave

”On a sunny day, half of all electricity consumed by the low-energy supermarket is coming from the solar panels installed on the roof,” says Project Manager and solar power plant designer Klaus Känsälä of VTT Technical Research Centre of Finland.

 In addition, energy use can be managed by levelling out consumption peaks on the power grid. Renewable solar energy even enables the occasional disconnection of the shop’s cold chain from grid electricity. For example, the mornings, when energy prices are low, are the best time to store kilowatts for later use.  

”In this energy-saving pilot supermarket, annual electricity consumption totals 240 kWh per square metre, which is close to the consumption of a normal residence, whereas a normal grocery store consumes 600 kWh a year,” says Seppo Jakola, Premises Manager of the regional retail firm, Osuuskauppa Arina.
”If all grocery stores in the S Group chain consumed 240 kilowatt hours, their electricity consumption would halve,” says Känsälä. 

 The pilot supermarket in Oulu is part of S Group, whose stores use a total of around 1.1 terawatt-hours (TWh) of electricity per year, whereas the state railway company, VR, uses around 0.76 TWh on its trains. Total electricity consumption throughout Finland is around 85 TWh, of which S Group uses around 2%. If the same concept were introduced in all S Group grocery stores, this would have a major effect on Finland's energy balance.

The project is part of the larger VIRPA project and will end in April next year. In addition to VTT, the University of Oulu and, from the private sector, Fingrid, S Group, Rejlers, Jalecon, Jetitek, Green Energy Finland, Fidelix and Emtele are involved. The overall size of the project amounts to around a million euros.

 The next step will involve bringing more commercial premises into the project. 

 Click here to see the energy consumption, in real time, of the supermarket S-market Tuira: smartgrid.vtt.fi/s-market/tuira/  

HSE | 13.6.2017

Latest articles

How ultrasonic sensors and artificial intelligence improve condition monitoring

In an industrial setting, assets are everything. A breakdown can cause hours  of downtime, and thus hours of lost productivity and lower financial gains. Preventative maintenance is one way facility managers counteract system entropy, but it is not perfect strategy. In some cases, a preventive approach to maintenance can actually lower the overall effectiveness of an asset. In the case of a valve for example, constant tightening can cause premature wear and tear.

Applications | 23.10.2018

To analyze or not to analyze, that is the question

Can we successfully improve reliability without analyzing reliability data?

Asset Management | 23.10.2018

Sustainability transformation: Are you ready for the change?

Companies which create truly sustainable businesses will remain competitive in the future.

HSE | 27.9.2018

Evaluating IT asset management software: Who do you trust?

Nowadays, more or less all companies have to deal with diverse kinds of IT assets. Using IT assets (software, hardware, digital media and networking) is no longer specific to the technology giants. 

Cmms | 7.9.2018

New methanol engine ready for the marine market

Within the frame of the GreenPilot project, Gothenburg-based ScandiNAOS AB has developed methanol engine concepts for the marine industry. A spark ignited methanol engine that wasn installed and tested in the Swedish Pilot boat “GreenPilot” has now been followed by a compression ignited methanol engine. The GreenPilot project is lead and initiated by Swedish Maritime Technology Forum, part of RISE Research Institutes of Sweden.

R&D | 4.9.2018

How to Safely Align Wind Turbines

Safety engineers around the world can breathe easy. The PRUFTECHNIK ROTALIGN® and OPTALIGN® technology has made aligning machine shafts, especially gear shafts, much safer.

Partner Articles | 6.6.2018

Maintenance: A Necessary and Important Function in the Future

Euromaintenance 2016 will take place in Athens at the end of May. It is the ideal moment to reflect on maintenance in a European context. Euromaintenance is known as the summit for all involved in maintenance across Europe, it’s the place to be. The conference, with the support of the EFNMS, is the only commercially independent conference covering the topics we deal with in the maintenance world.

EFNMS | 20.5.2016