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EREK database of resource efficiency

Measures, Technologies and Good Practices

Do you want to know how much different measures and technological solutions would cost and how much money and resources they can save for your business? This database offers such data in a concise and comprehensive format.

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Good practice

French primary school opts for geothermal heating

Reversable system for all seasons Installed annual capacity of 130 kW produces 70 MWh of renewable energy Total energy cost savings of around 10 % Reduced annual CO2 emission of 24 tonnes Chemaudin...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: High cost 1 - 5 Year(s)
Good practice

French architectural firm designs sleek energy positive...

Marriage of design and environmental ambition! Strong energy management measures and renewable energy installations (PV and Canadian well)  Net-positive energy building, selling € 12 000 in surplus...
Sector / Industry:
  • All sectors
  • Office and administration
Resources:
  • Energy
  • Materials
Costs, savings, and payback time: High cost 20-50% 1 - 5 Year(s)
Good practice

Ecocert in France creates its own energy positive building

Leading by example...​ Geothermal energy, PV solar panels, insulating materials Building produces 1.4 kWh energy per 1 kWh consumed Quantity of bio-sourced materials: 143 kg/m2 Ecocert, a French...
Sector / Industry:
  • All sectors
  • Office and administration
Resources:
  • Energy
Costs, savings, and payback time: High cost 100%
Technology

Micro-hydro installation

Micro-hydro (or hydropower installation) is a good example of small-scale renewable energy that can help to save energy. It exploits water flows through a turbine to drive a generator and produce...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: High cost 40-80% 5 - 7 Year(s)
Technology

Solar thermal

The solar thermal identity… or should that be supremacy? Solar thermal (also called solar heating collector) is a mature renewable energy technology. Solar collectors have recently been used not only...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: High cost 25 Year(s)
Technology

Small-scale wind energy

Wind energy is a good example of how small-scale renewables can work. The electricity generated can cover part of the electricity needs of building(s). This potential varies depending on several...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: High cost 10.4 Year(s)
Technology

Photovoltaic cells

Photovoltaic (PV) cells are a good example of small-scale renewables. PV modules are panels that convert sunlight into DC electricity, and then into AC electricity. PV modules are reliable and...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: High cost 8.9 Year(s)
Technology

Biomass heating

Biomass heating is a proven technology which most commonly uses virgin wood, certain energy crops, industrial wood residues and certain agricultural residues to produce heat. Biomass is considered a...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: High cost 2.5 Year(s)
Measure

Geothermal energy for heat generation

Renewable resources for heat generation are cheaper, more secure and better for the environment. The costs associated with the technology depend on the size and type of the installation. Harvesting...
Sector / Industry:
  • All sectors
  • Construction
Resources:
  • Energy
  • Carbon
Measure

Integration of solar energy in the company heat generation

Most industry-grade process heating systems are based on steam or hot water from boilers that today mainly burn fossil fuels like oil, gas and coal, or electricity generated by different sources....
Sector / Industry:
  • All sectors
  • Construction
Resources:
  • Energy
  • Materials
  • Carbon
Costs, savings, and payback time: High cost 15-30 % 1.5 - 5 Year(s)
Good practice

Solar panel funding for British beauty salon

The beauty of solar power is... All kinds of businesses, large and small, can make the transition to renewable energy Financing schemes, such as EEF, can help with sustainability projects like this...
Sector / Industry:
  • All sectors
Resources:
  • Energy
  • Carbon
Costs, savings, and payback time: High cost 4 - 7 Year(s)
Measure

Integrate renewable energies in the company heat generation

Using renewable resources for heat generation is good for your organisation’s balance sheet and for the environment. Tapping into renewable sources to heat your buildings means a lifetime of lower...
Sector / Industry:
  • All sectors
  • Construction
Resources:
  • Energy
  • Materials
  • Water
  • Waste
  • Carbon
Costs, savings, and payback time: High cost 20-80 % 2 - 12 Year(s)