30.01.2013 Views

Training course on energy efficiency in SMEs - engine-sme.eu

Training course on energy efficiency in SMEs - engine-sme.eu

Training course on energy efficiency in SMEs - engine-sme.eu

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Example C<strong>on</strong>vert<strong>in</strong>g <strong>in</strong>to <strong>on</strong>e unit<br />

1 litre extra light oil costs 0.5 Euro/litre <strong>in</strong>cl. VAT. To<br />

identify the price for 1 kWh useful <strong>energy</strong> you have to<br />

divide the costs per litre with the calorific value and the<br />

<strong>efficiency</strong> of the heat<strong>in</strong>g system <strong>in</strong> use.<br />

Energy source Oil extra light<br />

Price (€/unit) Euro 0.5/l<br />

Calorific value (kWh/unit) 10.0<br />

Efficiency (%) 90<br />

Heat costs of useful heat (€/k Wh) 0.055 Euro/k Wh<br />

By us<strong>in</strong>g a c<strong>on</strong>dens<strong>in</strong>g boiler with natural gas the<br />

<strong>efficiency</strong> <strong>in</strong>creases by 10 %.<br />

Prices of <strong>energy</strong> sources can sometimes be found <strong>on</strong> the<br />

homepages of <strong>energy</strong> suppliers or can be asked for<br />

directly.<br />

www.eng<strong>in</strong>e-<strong>sme</strong>.<strong>eu</strong>

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!