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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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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

Efficient uninterruptible power supply

An uninterruptible power supply (UPS) is an electrical system containing storage systems (e.g. batteries, flywheels) capable of supplying high-quality electrical power without interruptions. The...
Sector / Industry:
  • All sectors
Resources:
  • Energy
  • Carbon
Costs, savings, and payback time: High cost 30-55% 3.3 Year(s)
Technology

Voltage optimisation

Seriously, voltage optimisation rocks! Voltage management is an umbrella term for various technologies aimed at optimising, stabilising, regulating, or plain reducing the amount of volts needed to...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: High cost 7.6 Year(s)
Technology

High-efficient motors

A high-efficiency motor (HEM) is an electric motor than performs above mandatory minimum. New materials, better design, and better manufacturing have led to major improvements in motor efficiency...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: Medium cost 9.9 Year(s)
Technology

Motor power optimisers

When running at low load, electric motors are less efficient. A motor power optimiser (also known as load sensing optimisers) could save between 5 % and 15 % on electricity. Motor optimisers are...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: Low cost 3.4 Year(s)
Technology

Flat belt drives

Flat belt drives are simple mechanisms that enable power from a rotational power source (e.g. electric motor or combustion engine) to be transferred to rotating machinery. Previously, flat belt...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: High cost 8.6 Year(s)
Technology

Variable speed drives (VSDs)

VSDs prove that speed really is relative after all Variable speed drives (VSDs) – also known as drive frequency converters, adjustable speed drives, or inverters – are an increasingly popular...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: High cost 0.5 Year(s)
Technology

Air source heat pumps

Air source heat pumps… an absorbing proposition Air source heat pumps absorb heat from the outside air. This heat can subsequently be used to warm radiators, air convectors and water, or in other...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: High cost 5.1 Year(s)
Technology

Ground and water source heat pumps

A great introduction to ground and water source heat pumps Ground and water source heat pumps (GSHP) are easy to run once installed and provide low-carbon heating or cooling. Average reduction in CO2...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: High cost 10 Year(s)
Technology

Pipework insulation

Insulating the pipework and valves of a hot-water and heating systems could help cut heat loss or heat gain by up to 90 %. In one or two years, the investment could be recovered, and savings made....
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: Medium cost 0.2 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)
Technology

Flash-steam heat recovery

Flash steam released from hot condensate can be recovered and applied elsewhere in the plant to maximise overall efficiency. Recovery systems reduce steam-raising costs, utility bills and CO2...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: High cost 3.4 Year(s)