ᐅ Solar power systems

Discover how to generate environmentally friendly electricity with solar panels – learn what to consider during planning, installation, and use!

Photovoltaic System Costs in 2026 in Austria – Realistic Prices and Your Experiences?

Edi•20 Apr 2026 14:52

Answers: 0

Edi • 20 Apr 2026 14:52

Cable routing and protection for wall penetrations

matix_xitam•16 Apr 2026 14:25

Answers: 5

nordanney • 20 Apr 2026 12:04

Controlled shading of solar thermal collector panels using blinds or similar devices

Thorsten63•3 Jul 2025 13:49

Answers: 6

Thorsten63 • 19 Dec 2025 08:08

Experiences with online solar equipment retailers?

Semi1979•22 Oct 2025 11:18

Answers: 2

Semi1979 • 13 Nov 2025 09:45

Structural considerations for a balcony solar power system (BKW) on a prefabricated garage – any experiences?

Corini1985•27 Oct 2025 15:04

Answers: 1

wiltshire • 27 Oct 2025 16:38

Balcony Solar System – With or Without Battery Storage? Orientation?

HubiTrubi40•10 Jul 2025 10:01

Answers: 31

derdietmar • 22 Jul 2025 07:01

Solar Systems on Older Buildings: Opportunities and Challenges of Retrofitting

DerTheiss•19 Jul 2025 20:25

Answers: 3

Knöpfchen • 20 Jul 2025 12:37

Impact of Solar Power Systems with Storage on the Electrical Grid

Bauherr86•18 Aug 2024 14:30

Answers: 7

Buchsbaum066 • 19 Aug 2024 20:55

Clicking noises in the circulation system during thermal stagnation

Thorsten63•31 Oct 2023 13:18

Answers: 6

Thorsten63 • 3 Nov 2023 10:20

Warning and Information Notice for In-Roof Thermal Collectors

Pinkiponk•29 Aug 2023 15:27

Answers: 5

11ant • 2 Sep 2023 12:58

Roof Covering and Choosing a Solar Installer – Making the Decision?

Elias_dee•10 Aug 2022 18:21

Answers: 98

Araknis • 27 Mar 2023 22:36

Combine a 20 kWp system with a 10 kW hybrid inverter and a 10 kW standard inverter?

Elias_dee•25 Aug 2022 17:46

Answers: 0

Elias_dee • 25 Aug 2022 17:46

Consultation for Installing Solar Panels on a Pitched Roof

marienschatten•14 Aug 2022 07:28

Answers: 5

marienschatten • 17 Aug 2022 20:37

Solar power system for rent – is this offer worthwhile?

MaxMustaman92•28 Sep 2021 08:12

Answers: 10

MaxMustaman92 • 28 Sep 2021 12:57

What level of frost protection is required for a solar thermal system?

HabneFrage•20 Sep 2021 18:09

Answers: 2

HabneFrage • 20 Sep 2021 20:03

Is a solar power system cost-effective for us?

Hausbautraum20•14 May 2021 22:00

Answers: 19

dhd82 • 16 May 2021 20:00

Improving the Efficiency of Solar Thermal Systems

BenutzerPC•11 Sep 2020 07:37

Answers: 19

BenutzerPC • 9 May 2021 18:24

Solar Pump Wilostar Single-Family Home Settings – 3 Levels?!

HabneFrage•7 Apr 2021 11:10

Answers: 1

Mycraft • 8 Apr 2021 09:11

Solar installer needed from the Münsterland region / available for work nationwide

dhd82•3 Oct 2020 21:55

Answers: 12

dhd82 • 3 Feb 2021 14:32

Upcoming Roof Replacement: What Are the Options for Solar Panel Installation?

Theoooo•15 Dec 2020 18:39

Answers: 6

Grundaus • 11 Jan 2021 16:10

Are the solar panels and wiring installed according to the relevant standards and regulations?

marco2403•9 Nov 2020 05:02

Answers: 6

seat88 • 10 Nov 2020 17:09

Solar system with storage unit in the garage, is it possible?

Bookstar•9 Oct 2020 18:59

Answers: 28

truce • 4 Nov 2020 00:07

Which energy storage system is best suited for use with a solar power system?

Träumerle•21 Sep 2020 11:07

Answers: 11

untergasse43 • 23 Sep 2020 08:22

Solar system for a duplex: splitting the energy consumption

HilfeHilfe•14 Aug 2020 09:41

Answers: 5

nordanney • 17 Aug 2020 09:33

Solar panels unavailable – Additional charges or cancellation possible?

kati1337•17 Jul 2020 12:49

Answers: 20

Andre77 • 22 Jul 2020 23:17

Colored solar panels – Has anyone installed these?

Pinkiponk•17 Jul 2020 16:09

Answers: 10

knalltüte • 18 Jul 2020 17:02

Is solar power feasible, and how do I proceed? Help, tips, and advice

HilfeHilfe•12 May 2020 09:49

Answers: 26

pagoni2020 • 18 Jul 2020 10:40

Recommendations and Experiences with Solar Power Systems

rastlos•13 Dec 2019 15:46

Answers: 6

Mycraft • 15 Dec 2019 22:05

Drain solar fluid for winter? Risk of frost damage?

fraubauer•21 Nov 2019 13:13

Answers: 2

Domski • 22 Nov 2019 10:03

Keeping the Solar Thermal System?

Fuego91•19 Aug 2019 14:47

Answers: 1

Grundaus • 20 Aug 2019 08:31

Flat Plate Collector vs. Tube Collector

Höhlenmensch•14 Feb 2019 13:52

Answers: 23

Grundbuch • 10 Apr 2019 08:40

Are solar panels and heat pumps cost-effective?

-•26 Jan 2012 09:08

Answers: 7

Sevours-1 • 18 Feb 2019 12:53

Orientation of the solar panels

pffreestyler•15 Nov 2018 13:57

Answers: 4

pffreestyler • 18 Nov 2018 09:50

Solar Thermal Systems: Storage Tank Size / Legionella Prevention

BenutzerPC•14 Sep 2018 07:34

Answers: 3

wrobel • 15 Sep 2018 10:33

Experiences with Caterva Solar Battery Storage Systems

Dennis86•28 Jun 2017 21:41

Answers: 31

Ronald Voigt • 12 Aug 2018 22:34

Storage heats collector

Alecks•26 Jul 2018 11:16

Answers: 10

Alecks • 31 Jul 2018 14:59

Solar thermal system and pellet heating, heating support/hot water

Ade123•26 Jul 2018 06:53

Answers: 16

wrobel • 28 Jul 2018 11:35

How do I choose the most efficient solar panels?

hindi63•24 Jul 2018 17:19

Answers: 3

niri09 • 25 Jul 2018 22:22

Solar energy output is not measurable

Steffi33•24 May 2018 23:11

Answers: 28

Mycraft • 2 Jun 2018 12:22

Issues with the installation alignment of our planned solar power system

Lobster•1 Feb 2018 21:10

Answers: 26

R.Hotzenplotz • 11 Mar 2018 11:52

Solar System: Integrated Roof or Roof-Mounted?

Maria16•14 Jan 2017 18:13

Answers: 5

Baumfachmann • 21 Jan 2018 23:41

Is it possible to have a gas boiler without a solar system?

futtinger•11 Jan 2016 15:24

Answers: 42

NeuDLi • 11 Nov 2017 23:18

Underfloor Heating and Solar Thermal Systems

Neubau_2016•18 Sep 2017 11:48

Answers: 7

Musketier • 19 Sep 2017 11:10

Is installing solar panels on the roof worthwhile?

Hausbauer1•10 Jul 2017 18:07

Answers: 30

miho • 14 Jul 2017 09:30

Solar panels on the garage roof

hg6806•17 May 2017 09:50

Answers: 3

Alex85 • 17 May 2017 13:51

Upgrading a solar thermal system

handyaner•9 Oct 2016 17:30

Answers: 1

Mycraft • 9 Oct 2016 17:40

Is it possible to power my shed with solar energy for lighting and electricity?

sauerpeter•27 Sep 2016 16:35

Answers: 7

Musketier • 28 Sep 2016 15:22

BAFA Subsidy / Solar Thermal Systems for New Construction

marpre•14 Sep 2016 09:31

Answers: 0

marpre • 14 Sep 2016 09:31

Placement of Solar Panels on a Southeast or Southwest Roof?

Steffi33•15 Aug 2016 09:55

Answers: 5

f-pNo • 16 Aug 2016 09:28

Solar Thermal Systems – What Are the Practical Distance Limits to the Storage Tank?

PhiTh•10 Apr 2016 13:24

Answers: 2

PhiTh • 11 Apr 2016 09:45

Experiences with Reinhard Solar Technology

molchi•23 Mar 2016 09:28

Answers: 4

molchi • 27 Mar 2016 20:40

Experience with Solar Roof Tiles / Solar Shingles

-•4 Mar 2012 11:04

Answers: 6

- • 12 Mar 2016 09:40

Clearing snow from solar thermal systems. What solutions do you use?

-•4 Nov 2012 19:27

Answers: 9

- • 1 Mar 2016 04:41

Annual Simulator Output for Domestic Hot Water

hallowach2002•27 Apr 2015 17:00

Answers: 5

Legurit • 9 Jan 2016 09:55

Cardinal Direction Solar

Rihiki•8 Oct 2015 09:51

Answers: 8

Legurit • 22 Dec 2015 10:40

Are Solar Power Systems a Fire Risk?

-•13 Jun 2012 19:42

Answers: 9

- • 30 Nov 2015 10:22

What type of solar energy?

-•1 May 2010 10:04

Answers: 6

- • 27 Oct 2015 12:24

Wide solar collectors

hallowach2002•25 Apr 2015 17:03

Answers: 1

AlexR20 • 25 Apr 2015 17:58

Outdoor lighting powered by solar energy

-•9 Jul 2009 10:58

Answers: 12

- • 18 Apr 2015 12:01

Solar System for Garage or Main House Connection?

mbrandhu•17 Feb 2015 14:44

Answers: 8

BauPaar • 8 Mar 2015 07:35

2 Power Modules – Solar Electricity and Heating Combined

Jacob•16 Dec 2014 14:34

Answers: 1

f-pNo • 26 Dec 2014 00:42

Solar system for carport

-•28 Oct 2011 13:43

Answers: 7

- • 18 Dec 2014 11:44

Is a solar panel system still worth it? How many years does it typically take to start seeing benefits?

-•28 Jan 2014 14:59

Answers: 15

- • 23 Oct 2014 15:59

Renewable Energy Act surcharge also applies to solar systems in single-family homes

Exilhamburger•13 Jun 2014 09:19

Answers: 8

f-pNo • 19 Jun 2014 11:36

What will happen to the solar feed-in tariff incentives?

-•14 Jun 2012 23:01

Answers: 8

- • 27 May 2014 11:37

Solar collector – Does it support the heating system or not?

baweng•19 Feb 2014 16:36

Answers: 10

Kurt1985 • 9 Mar 2014 07:19

Do solar thermal panels effectively support heating systems?

-•21 Feb 2014 08:08

Answers: 7

- • 26 Feb 2014 08:16

Energy Performance Certificate, Coverage Ratio/Solar System: What Values Should Be Used?

Bauprojekt2010•24 Jul 2013 08:18

Answers: 5

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€uro • 12 Aug 2013 12:12

Roof-mounted or integrated solar panels: which is better?

andre02•20 May 2013 20:31

Answers: 8

Explosiv • 31 Jul 2013 10:41

KfW70 Photovoltaics Instead of Solar Thermal: How Much Collector Area Is Needed?

Nico2xl•27 Mar 2013 03:14

Answers: 4

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€uro • 30 Apr 2013 15:45

Solar panels despite winter shadows?

Hügel•16 Jan 2013 19:27

Answers: 2

Der Da • 17 Jan 2013 08:27

Insufficient solar output; how to set up three flat-plate collectors

Capone2000•28 Oct 2012 14:25

Answers: 32

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€uro • 14 Dec 2012 14:55

Question about solar panels?

-•8 Sep 2012 19:45

Answers: 3

- • 27 Sep 2012 01:51

Should you regularly clean your solar panels yourself?

Nordlicht•2 Jul 2012 10:17

Answers: 20

Micha&Dany • 5 Sep 2012 12:54

Which solar system is the best?

Mariella•17 Jul 2012 18:24

Answers: 0

Mariella • 17 Jul 2012 18:24

The Makers of the Day After Tomorrow – Baden-Württemberg State Anniversary 2012

Bauexperte•26 Mar 2012 11:18

Answers: 9

Micha&Dany • 20 Jun 2012 21:44

Solar system for carport—does anyone have experience with this?

Vcorde•28 Oct 2011 19:26

Answers: 6

Schaller1 • 26 May 2012 14:00

Is it practical to retrofit a solar system onto an existing roof?

JennyS•22 Dec 2011 12:24

Answers: 4

Schaller1 • 21 May 2012 19:32

Solar Power System: Yes or No?

Exilhamburger•10 Jul 2011 18:59

Answers: 33

Gefion • 18 Oct 2011 16:11

Affordable Solar Power System – Experiences

winterlich554•10 Aug 2011 22:02

Answers: 5

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€uro • 12 Aug 2011 16:01

Is a solar power system worthwhile? Experiences?

Lily•1 Dec 2008 09:01

Answers: 14

ollyeden • 5 Jul 2011 14:42

New Construction Without Solar Panels

Markus2011•28 Mar 2011 22:20

Answers: 10

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€uro • 9 Apr 2011 13:22

different tilt angles of solar collectors

solarus23•17 Mar 2011 12:09

Answers: 7

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€uro • 4 Apr 2011 00:29

Heat Pump and Solar Thermal Systems?

solartherm69•9 Mar 2011 14:46

Answers: 1

blurboy • 9 Mar 2011 16:33

Achieving KfW 70 standard without solar panels? Alternative ways to meet KfW 70 requirements?

Diin•24 Feb 2011 10:01

Answers: 4

Diin • 25 Feb 2011 19:13

Solar Energy Systems in Winter

Spinatra•3 Dec 2010 01:03

Answers: 9

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€uro • 4 Jan 2011 16:48

Is investing in a solar power system worth it? Any experiences?

Lily•20 Feb 2009 08:07

Answers: 14

bangolo • 22 Nov 2010 09:10

Which types of solar energy systems are the most cost-effective?

cunny•15 Jun 2008 14:37

Answers: 1

dellino • 14 Sep 2010 16:51

Solar thermal system for domestic hot water: 5 sqm or 10 sqm?

No Fear•25 Jul 2010 14:50

Answers: 5

perlenmann • 2 Aug 2010 13:41

Renting out solar panels on the roof?

bernd•8 Dec 2007 18:51

Answers: 8

lirtan • 4 Jun 2010 21:41

Subsidy Programs for Solar Panels on Residential Roofs

Jack•29 Jul 2008 23:48

Answers: 4

Jack • 1 Aug 2008 23:02

Domestic hot water with solar heating?

-•14 Jan 2008 23:27

Answers: 3

- • 12 May 2008 13:17

Advantages and Disadvantages of Solar Power Systems

Jimmy•5 Dec 2007 19:33

Answers: 7

Jimmy • 5 Dec 2007 19:51

ᐅ Solar power systems

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