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Renewable energy: denmark as a case study

Renewable energy: Denmark as a case study

Efficiency altercations and power efficiency had been a very crucial part of the policy pertaining to energy since the unfortunate oil crisis in 1973

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Within a period of more than a decade, Denmark has been able to sustain and retain its fuel consumption, whilst radically improving its transportation consumption.

Population

(million)

Prim. energy

(TWh)

Production

(TWh)

Export

(TWh)

Electricity

(TWh)

CO2-emission

(Mt)

2004

5.40

233

361

117

35.8

50.9

2007

5.46

229

314

64

36.4

50.5

2008

5.49

221

309

54

35.5

48.4

2009

5.52

216

278

43

34.5

46.8

2010

5.55

224

271

42

35.1

47.0

2012

5.57

209

244

19

34.1

41.7

2012R

5.59

202

221

8

33.8

37.1

2013

5.61

203

196

-26

33.9

38.8

Change 2004-10

2.8%

-4.1%

-24.8%

-63.6%

0.0%

-7.7%

Mtoe = 11.63 TWh. Primary energy includes energy losses.

Fig.1 : Energy in Denmark

It can be viewed clearly from the above table that the percentage of CO2level had dropped since 2004 with an increasing dependability on renewable energy as a primary source.

Employing the Energy PLAN energy system analysis model

The preliminary point for the study is the crucial assumption that sustainable development encompasses three technological changes, specifically energy savings towards demand, improvements in the competence of energy production, and replacement of fossil fuels by various sources of renewable energy. Thus, three following technological changes have been recognized for the study.

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Cost Saving

The demand of electricity, heating demand and district heating has witnessed a 10% drop

Efficiency

Implementation of the emerging fuel-cell technology or by improving the existing steam operated turbine technology. This is characterized by an electrical and heat output of 50% and 40% respectively.

Renewable energy sources

Introduction and increase of input form biomass fuels, solar thermal and photovoltaic to their respective supply, i.e. solar thermal to district heating and photovoltaic to electricity.

The use of flexible technology should also be considered as there has to be integration between all systems involved.

Transport systems.

The obvious replacement of oil as a source for transportation towards electrical empowerment.

Flexible combined heat and power systems.

Addition of both wind regulations and Electrolyses

The chart below shows the tendency in fuel consumption which tends to rise rather than fall also it could be identified that electricity production substantially increases with greater combined heat and power systems less demands

[image: ]

It could also be seen that deceased fossil fuels brew an increased excess production which suggests a potential advantage of the use of renewable energy in the economy as a replacement for of fossil fuels

TWh/yr

REF

Savings

Efficiency

RES

All

Total fuel consumption

218

205

248

220

238

Electricity excess

8.4

9.6

45.5

11.7

48.2

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