Page 40

40 Finnair Group EN5 Energ y saved due to conservation and efficiency improvements Direct energy consumption of primary energy sources is reduced in a number of ways, such as through physical modifications to aircraft and fuel-efficient ways of flying. A separate Fuel Saving Taskforce has been established to consider measures to moderate fuel consumption. Fuel savings were achieved in the following ways: · fleet modernisation · landings made according to the CDA principle · fitting of winglets to Boeing 757 aircraft · more frequent engine washing · measures planned by the Weightwatchers Working Group · renewing engines through the repair cycle Fleet modernisation is one of the most significant fuel-saving measures. The Airbus A330-300 aircraft, which will replace the Boeing MD-11 aircraft being withdrawn from Finnair's fleet, uses 14 per cent less fuel per seat than its predecessor. Moreover, the Airbus A350 aircraft, which will join the fleet in future, is expected to consume 36 per cent less fuel per seat compared with the MD11 aircraft. In 2008 the Finnair MD-11 fleet consumed 292,534 tonnes of jet fuel and the replacement of these aircraft with A330s will save around 41,000 tonnes, i.e. an energy saving of around 493 GWh. Landings made applying the CDA (Continuous Descent Approach) principle reduce the fuel consumed during the flight. The flight path is programmed into the Flight Management System and an approach from cruising altitude can be done in a continuous glide with the engines idling. The theoretical savings potential for Finnair flights obtained in landings made applying the CDA principle at Helsinki-Vantaa is around five million kilos of fuel per year. Currently Finnair is able to make 20-30 per cent of landings at Helsinki-Vantaa applying the CDA principle. At other Finnish airports the figure is around 80 per cent. An effort is being made to increase the number of CDA landings in cooperation with Finavia and the airlines. Energy saving achieved with CDA landings · Theoretical saving: 60 GWh · Annual saving: 48 GWh In annual performance monitoring, the winglet modifications initiated in October 2006 to Boeing 757 aircraft have been found to save around 4-5 per cent jet fuel compared with aircraft which have no winglets. The B757 aircraft consumed 102,458 tonnes of fuel in 2008, so the saving achieved with the winglets is notionally around 4 610 tonnes, representArean sähkönkulutus ing an energy saving of 55.5 GWh. In terms of engine water washings, the washing cycle has been made more frequent and as a result an estimated saving of 1-2 per cent has been achieved, depending on the type of engine. Engine washings and the renewal of engines in the repair cycle annually save 1,721 tonnes of fuel, which means an energy saving per year of around 20.7 GWh. The Weightwatchers Working Group has estimated that in 2009 around 1,037.2 tonnes of fuel can be saved, which means an energy saving of around 12.5 GWh. The weightwatchers are surveying lighter alternatives to aircraft interiors, movable effects and working tools with the aim of reducing the overall weight of the aircraft. The annual saving in jet fuel consumption from other evaluated fuel-saving measures would be around 5,662 tonnes, i.e. around 68.11 GWh of energy. The value for energy saving in 2009 and 2010 is 642 GWh. Finnair has signed with YIT an energy management agreement running from the beginning of 2008 to the end of 2011. Energy was saved with the aid of an autumn 2008 Energy-Saving Week, in which personnel were informed of ways they could save energy and encouraged to find new means to cut energy consumption. Through technical solutions applied with YIT in 2008, the total energy saving achieved compared with 2007 was as follows: Saving as a percentage 5.0 3.6 4.4 Saving Electricity Heat Water 2,980 MWh 1,839 MWh 3,555 m3 The travel agency company Area, which belongs to the Finnair Group, has been awarded the WWF Green Office label. Area's electricity consumption , , Area's electricity consumption declined by 10.2 per cent from 2006 to 2008.

Section 1

Page 1
Page 2
Page 3
Page 4
Page 5
Page 6
Page 7
Page 8
Page 9
Page 10
Page 11
Page 12
Page 13
Page 14
Page 15
Page 16
Page 17
Page 18
Page 19
Page 20
Page 21
Page 22
Page 23
Page 24
Page 25
Page 26
Page 27
Page 28
Page 29
Page 30
Page 31
Page 32
Page 33
Page 34
Page 35
Page 36
Page 37
Page 38
Page 39
Page 40
Page 41
Page 42
Page 43
Page 44
Page 45
Page 46
Page 47
Page 48
Page 49
Page 50
Page 51
Page 52
Page 53
Page 54
Page 55
Page 56
Page 57
Page 58
Page 59
Page 60
Page 61
Page 62
Page 63
Page 64

Why do I see this page ?

Your Flash Player is older than version 7 or Javascript is not enabled. What you see is the raw text of the publication.

To read this Digipaper-publication install/update your Flash Player from this link or enable Javascript.

For proper operation Digipaper-publication needs Flash Player version 7 or newer.

Install the latest version of Flash Player from this link.
© Copyright 2004-2006 Mederra Oy