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House of Commons Hansard
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Energy: Conservation
29 March 2010
Volume 508
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To ask the Secretary of State for Energy and Climate Change when energy efficient circulator pumps will be labelled Energy Saving Recommended. [324288]

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The Department does not have information on when circulator pumps will be labelled Energy Saving Recommended. Responsibility for this issue rests with the Energy Saving Trust.

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To ask the Secretary of State for Energy and Climate Change when energy efficient circulator pumps will be included on the Energy Saving Trust website. [324289]

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The Department does not have information on when energy efficient circulator pumps will be included on the website of the Energy Saving Trust. This is a matter for the Energy Saving Trust.

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To ask the Secretary of State for Energy and Climate Change what the average payback period is for each type of energy efficient technology commercially available, with particular reference to circulator pumps and technologies applicable to non-domestic properties, ranked by their payback period; and if he will make a statement. [324290]

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Many of the energy efficiency technologies could be employed in both the domestic and non-domestic arena, so the information on payback periods provided in response to question 1088 may be relevant to some smaller non-domestic applications. However, information on the payback periods in non-domestic properties are much more difficult to determine because of the likely significant variation in scale, cost and use. The Department does not hold this information.

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To ask the Secretary of State for Energy and Climate Change what the (a) average internal rate of return and (b) cost per kilogram of carbon dioxide not emitted was for each type of energy efficient technology commercially available, in the latest period for which figures are available, with particular reference to circulator pumps and those technologies applicable to non-domestic properties, ranked by their payback period; and if he will make a statement. [324291]

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The Department does not hold information on the internal rate of return, as this information would be specific to each company and installed measure.

The private cost per kilogram of carbon dioxide not emitted (avoided) under a CERT regime can be determined for a range of technologies from the information provided in the following tables 1 and 2. The cost can be obtained by dividing the total cost for the measure, shown in table 2, by the relevant carbon dioxide savings shown in table 1 (multiply the figures shown in table 1 by 1,000 to obtain kilograms of carbon dioxide). The Department does not hold this information for circulator pumps.

Table 1: Lifetime CO2 saving score per measure, in the priority and non-priority groups

Lifetime CO2 savings per measure tCO2 (lifetime)

Carbon saving measure

Lifetime (years)

PG

Non-PG

Insulation

Cavity wall insulation

40

23.74

26.34

Loft insulation professional (from < 60mm)

40

14.70

18.10

Loft insulation professional (from > 60mm)

40

4.34

5.34

Loft insulation (DIY)

40

9.40

11.58

SWI external

30

62.02

68.83

SWI internal

30

58.64

65.08

Insulated wallpaper

30

20.17

22.38

Tank insulation—top-up

10

1.98

1.98

Glazing E to C rated

20

1.52

1.72

Draughtproofing

20

2.32

2.86

Heating

A/B rated boilers (exceptions)

12

3.95

4.47

Fuel switching

20

74.97

84.94

Heating controls—upgrade with boiler

12

0.38

0.44

Heating controls—extra

12

3.09

3.57

Wood pellet stoves (secondary)

20

11.10

12.58

Log burning stoves

20

3.99

4.52

Wood pellet boilers (primary)

20

95.84

108.60

Solar water heater (4m2)

25

8.14

8.14

Ground source heat pumps

40

95.97

108.75

Air source heat pumps

15

42.57

48.23

Wood chip CHP

30

96.48

107.07

Community GSHP

40

20.42

22.66

Community heating to wood chip

30

106.41

118.08

Replacement of G rated boilers

6

5.44

6.17

Lighting

CFLs—retail

8

0.05

0.05

Efficient halogens

6.51

0.02

0.02

LEDs

18

0.14

0.14

Appliances

A rated cold appliances

1

A rated wet appliances

1

iDTVs

1

PC mains panels

5

0.15

0.16

Energy saving kettles

5

0.04

0.04

LNBs

7

0.04

0.04

A++ cold appliances

12

0.58

0.58

A++ wet appliances

12

0.11

0.11

Microgen

Photovoltaic panels (2.5 kWp)

25

22.78

22.78

micro Wind (1 kWp, 10 per cent. LF)

10

3.78

3.78

micro Hydro (0.7 kWp, 50 per cent. LF)

20

26.44

26.44

Mini-wind 5 kW, 20 per cent. LF

22.5

84.98

84.98

mCHP (80 per cent. heat, 15 per cent. elec)

15

2.91

3.30

Other

RTDs

15

0.996

0.996

Advice only

7.5

0.6675

0.6675

1 No longer eligible

Table 2: Assumed costs of measures

£

Basic installation cost

Administration cost

Total cost

Carbon saving measure

All

PG

non-PG

PG

non-PG

PG

non-PG

Insulation

Cavity wall insulation

380

356

395

87

71

443

466

Loft insulation professional (from < 60mm)

286

268

297

70

57

338

355

Loft insulation professional (from > 60mm)

286

268

297

70

57

338

355

Loft insulation (DIY)

120

107

128

32

28

138

157

SWI external

8,500

7,969

8,830

293

225

8,262

9,054

SWI internal

5,100

4,781

5,298

273

210

5,054

5,508

Insulated wallpaper

3,700

3,469

3,843

256

198

3,725

4,042

Tank insulation—top-up

14

14

14

4

3

18

17

Glazing E to C rated

212

199

220

55

45

253

265

Draughtproofing

101

94

105

28

24

123

128

Heating

A/B rated boilers (exceptions)

212

209

214

57

44

266

258

Fuel switching

2,014

1,888

2,092

216

169

2,104

2,261

Heating controls—upgrade with boiler

90

84

94

26

21

110

115

Heating controls—extra

148

139

154

40

33

179

188

Wood pellet stoves (secondary)

1,417

1,399

1,428

192

147

1,592

1,575

Log burning stoves

1,000

988

1,008

164

125

1,151

1,133

Wood pellet boilers (primary)

7,200

7,110

7,256

289

220

7,399

7,476

Solar water heater (4m2)

3,500

3,500

3,500

257

194

3,757

3,694

Ground source heat pumps

11,360

10,295

12,021

301

231

10,596

12,252

Air source heat pumps

5,844

5,771

5,889

281

214

6,052

6,103

Wood chip CHP

9,281

9,165

9,353

298

226

9,463

9,579

Community GSHP

4,250

4,197

4,283

267

203

4,463

4,486

Community heating to wood chip

350

346

353

85

65

430

418

Replacement of G rated boilers

2,500

2,500

2,500

236

179

2,736

2,679

Lighting

CFLs—retail

1.10

1.10

1.10

0.36

0.27

1.46

1.37

Efficient halogens

2.50

2.50

2.50

0.82

0.62

3.32

3.12

LEDs

8.00

7.00

8.62

2.29

2.14

9.29

10.76

Appliances

A rated cold appliances

1

A rated wet appliances

1

iDTVs

1

PC mains panels

25

25

25

8

6

33

31

Energy saving kettles

17

17

17

6

4

23

21

LNBs

10

10

10

3

2

13

12

A++ cold appliances

100

100

100

30

23

130

123

A++ wet appliances

100

100

100

30

23

130

123

Microgen

Photovoltaic panels (2.5 kWp)

6,338

6,338

6,338

285

216

6,623

6,553

Micro wind (1 kWp, 10 per cent. LF)

3,200

3,200

3,200

251

190

3,451

3,390

Micro hydro (0.7 kWp, 50 per cent. LF)

1,890

1,890

1,890

216

163

2,106

2,053

Mini-wind 5 kW, 20 per cent. LF

21,000

21,000

21,000

315

239

21,315

21,239

mCHP (80 per cent. heat, 15 per cent. elec)

600

563

623

119

96

681

719

Other

RTDs

20

20

20

6

5

26

25

Advice only

35

35

35

11

8

46

43

1 No longer eligible

This information was extracted from pages 55 and 56 of the impact assessment for the CERT consultation and can be accessed via the following link:

http://www.decc.gov.uk/en/content/cms/consultations/cert_ext/cert_ext.aspx