User 410 gone

32 votes

3 answers

3k views

Which solar power technology has the highest energy return on investment (EROI aka EROEI)?

asked Jun 8, 2013 at 19:27

15 votes

4 answers

248 views

How can I decarbonise my domestic heating, given severe physical constraints?

building-physics heating water-heating decarbonisation

asked Feb 5, 2013 at 21:43

15 votes

3 answers

4k views

What's the average efficiency of pumped hydroelectric energy storage facilities?

electricity renewables electricity-generation hydroelectricity energy-storage

asked Sep 17, 2016 at 8:35

14 votes

6 answers

5k views

What is the relationship between energy efficiency and sustainability?

defining-sustainability energy-efficiency

asked Feb 13, 2013 at 9:14

13 votes

3 answers

14k views

What is the relationship between recycling and sustainability?

recycling defining-sustainability

asked Feb 12, 2013 at 20:47

12 votes

2 answers

338 views

How do I keep my solar panels clean?

solar-power cleaning photovoltaics solar-thermal

asked Jun 9, 2013 at 20:07

10 votes

1 answer

118 views

How do the criteria for 'best' building insulation change depending on context?

building-materials building-physics insulation

asked Jun 3, 2013 at 10:56

9 votes

2 answers

150 views

How can electricity grids successfully incorporate high (50%+) penetrations of PV and wind?

electricity photovoltaics wind-power

asked Nov 3, 2013 at 10:25

8 votes

2 answers

10k views

What is the relationship between biodiversity and sustainability?

defining-sustainability

asked Feb 15, 2013 at 9:59

8 votes

2 answers

260 views

What have been the economic factors behind the build of tracking PV systems?

solar-power photovoltaics economics

asked Jul 12, 2014 at 9:58

8 votes

5 answers

471 views

Best options for decarbonising steel production?

decarbonisation industrial-production metal

asked Jan 18, 2015 at 15:20

8 votes

3 answers

456 views

Optimising crop yields without using fossil-fuel-manufactured fertiliser

food decarbonisation industrial-production

asked Jan 18, 2015 at 15:25

7 votes

1 answer

4k views

What is the IPAT identity, and does it still matter?

environmental-impact population

asked Nov 18, 2014 at 11:11

7 votes

2 answers

1k views

What are the physical limits on wind turbine size?

electricity wind-power renewables electricity-generation

asked Dec 18, 2014 at 20:21

7 votes

1 answer

98 views

What scope is there for price reductions in photovoltaic inverter costs?

electricity photovoltaics renewables electricity-generation

asked Dec 19, 2014 at 10:28

7 votes

2 answers

113 views

Curbing non-exhaust (non-tailpipe) transport emissions of particulates

cars transport pollution

asked Jan 27, 2015 at 9:08

7 votes

1 answer

71 views

How are readings from the wind sensors mounted on wind turbines influenced by the blades' wakes?

renewables wind-power

asked Sep 30, 2016 at 8:48

7 votes

3 answers

14k views

How can I monitor a PV system's performance?

solar-power photovoltaics

asked Jun 21, 2013 at 20:15

7 votes

1 answer

143 views

Most promising decarbonisation routes for clinker, cement and concrete?

decarbonisation industrial-production cement

asked Jan 18, 2015 at 15:16

6 votes

1 answer

1k views

How long does it take to construct a new port suitable for offshore wind construction?

wind-power renewables

asked Dec 28, 2013 at 7:42

6 votes

1 answer

78 views

How quickly can the offshore-turbine supply chain expand?

wind-power renewables

asked Dec 28, 2013 at 9:04

6 votes

1 answer

87 views

How far had Iceland gone by 2012 in decarbonising its energy system?

decarbonisation

asked Feb 10, 2013 at 15:19

6 votes

1 answer

197 views

Where are the world's wave resources, beyond the UK and Portugal?

electricity renewables electricity-generation

asked Dec 22, 2014 at 21:34

6 votes

1 answer

153 views

documented research on best practice for encouraging behaviour change towards more sustainable transport?

cars transport city-living

asked Jan 22, 2015 at 5:16

6 votes

2 answers

292 views

Is it possible to carry out large-scale seaweed cultivation for biomass / biofuel production?

seawater biomass biogas biodiesel

asked Jun 12, 2013 at 10:19

6 votes

1 answer

188 views

MVHR no longer the ventilation of choice in some Nordic countries?

energy-efficiency building-physics insulation ventilation

asked May 3, 2014 at 10:52

5 votes

1 answer

35 views

How accurate are consultant pre-construction energy assessments?

renewables electricity-generation

asked Oct 10, 2016 at 8:21

5 votes

1 answer

90 views

What metrics are usually used to quantify forecasted power error for weather-dependent renewables?

renewables electricity-generation

asked Oct 24, 2016 at 12:04

5 votes

0 answers

187 views

What are the advantages and disadvantages of using lidars over sodars for wind resource assessment?

renewables wind-power

asked Sep 15, 2016 at 7:56

5 votes

1 answer

105 views

Is there a recent study that shows how accurate wind turbine wake models are?

renewables wind-power electricity-generation

asked Sep 20, 2016 at 8:00

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40 Questions

Which solar power technology has the highest energy return on investment (EROI aka EROEI)?

How can I decarbonise my domestic heating, given severe physical constraints?

What's the average efficiency of pumped hydroelectric energy storage facilities?

What is the relationship between energy efficiency and sustainability?

What is the relationship between recycling and sustainability?

How do I keep my solar panels clean?

How do the criteria for 'best' building insulation change depending on context?

How can electricity grids successfully incorporate high (50%+) penetrations of PV and wind?

What is the relationship between biodiversity and sustainability?

What have been the economic factors behind the build of tracking PV systems?

Best options for decarbonising steel production?

Optimising crop yields without using fossil-fuel-manufactured fertiliser

What is the IPAT identity, and does it still matter?

What are the physical limits on wind turbine size?

What scope is there for price reductions in photovoltaic inverter costs?

Curbing non-exhaust (non-tailpipe) transport emissions of particulates

How are readings from the wind sensors mounted on wind turbines influenced by the blades' wakes?

How can I monitor a PV system's performance?

Most promising decarbonisation routes for clinker, cement and concrete?

How long does it take to construct a new port suitable for offshore wind construction?

How quickly can the offshore-turbine supply chain expand?

How far had Iceland gone by 2012 in decarbonising its energy system?

Where are the world's wave resources, beyond the UK and Portugal?

documented research on best practice for encouraging behaviour change towards more sustainable transport?

Is it possible to carry out large-scale seaweed cultivation for biomass / biofuel production?

MVHR no longer the ventilation of choice in some Nordic countries?

How accurate are consultant pre-construction energy assessments?

What metrics are usually used to quantify forecasted power error for weather-dependent renewables?

What are the advantages and disadvantages of using lidars over sodars for wind resource assessment?

Is there a recent study that shows how accurate wind turbine wake models are?