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©Massimo Cavallo, image #107625377, 2017, source: Fotolia.com

Upgrade boilers to use self-produced energy

Resources:
Energy, Carbon
Sector:
All sectors
Cost:
High cost
Annual saving:
20 - 30 %
Payback time:
3 - 8 Year(s)
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Resource savings: Energy:
Typical savings of energy after implementation of the measure are 25 %. For one cogeneration unit, savings can be as high as 1300-2500 MWh per year
Associated cost savings: Energy:
20 - 30%
Total cost savings:
Typical savings of energy after implementation of the measure are 25 %. Regarding initial investment, capital cost varies with the many factors (type of boilers, size, environmental issues, etc.). Typical investment costs on energy saving is 120 € / GJ.
Co2 emission reduction:
Depends on type of energy resource which is saved, can be as as high as 1300 t/CO2 per one cogeneration unit.
Premises and operation areas:
Production building, Production processes
Size of company:
Micro (less than 10), Small (less than 50), Medium (less than 250), Large (more than 250)
Advancement in applying resource efficiency measures:
Intermediate
One off investment:
10000 - 300000€
What is in it for you:
Modernised boilers and heaters, energy and cost savings, less emissions, join the co-generation community
Descriptive information:

Companies can generate energy for their own use and improve their overall energy efficiency by modernising existing equipment.

Simple measures like replacing old boilers with new ones can increase their efficiency by up to 15 %. The highest energy savings can be achieved in cases when companies retrofit old boilers (e.g. coal or oil-fired units) to run on more efficient natural gas or other alternative fuels.

Examples here include high-performance hybrid boilers burning a liquid coal and biomass combination, or fully replacing gas-fired boilers with biomass boilers. There is scope, especially in industrial and chemical plants, to tweak or upgrade equipment generating waste gases to produce heat.

Gas co-generation units which combine heat and electricity generation (CHP – combined heat and power) is a good alternative, too. CHP installations are mostly used to preheat the auxiliary feed-water for steam boilers, or closed hot-water systems for industrial or social purposes. To minimise energy waste, it is important to match the CHP’s capacity to the heat produced and downstream needs.

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