ᐅ Photovoltaic

Energy efficiency calculation with photovoltaic system

5 Stern(e)
6 Voting

2025-10-11 20:48:54

Answers: 4

Experience with electricity prices on the stock exchange?

5 Stern(e)
3 Voting

2025-09-27 13:46:00

Answers: 0

Do you have to pay for the installation of a photovoltaic system yourself?

5 Stern(e)
3 Voting

2025-07-31 17:50:52

Answers: 15

Photovoltaic Consultation: 45° Gable Roof North/South

4.5 Stern(e)
6 Voting

2025-04-17 15:06:31

Answers: 34

Photovoltaic plant by Norddeutsche Solar - Experiences?

5 Stern(e)
4 Voting

2025-02-19 20:20:35

Answers: 13

Should the inverter be placed outside?

5 Stern(e)
6 Voting

2025-06-02 20:02:37

Answers: 32

Help with photovoltaic decision

5 Stern(e)
5 Voting

2025-05-17 08:36:22

Answers: 41

Planning for balcony power plant and more

4.5 Stern(e)
4 Voting

2025-03-10 03:01:41

Answers: 4

Entry into force of the Solar Peak Law

5 Stern(e)
8 Voting

2025-02-05 16:13:46

Answers: 47

Photovoltaic sun tariff change, solar battery

4.5 Stern(e)
5 Voting

2024-08-06 20:54:19

Answers: 3

Is the photovoltaic price okay? 10.2 kWp and 5 kWh storage

5 Stern(e)
12 Voting

2024-11-24 01:13:21

Answers: 14

Can Tesla batteries be used as home storage?

4.5 Stern(e)
5 Voting

2024-12-24 15:10:57

Answers: 13

Photovoltaic - Position on the roof and only one meter?

4.5 Stern(e)
7 Voting

2024-09-12 09:59:57

Answers: 10

Single-family house photovoltaic system with 30KW

4.5 Stern(e)
9 Voting

2024-09-16 16:10:15

Answers: 20

Offer for photovoltaic system including storage - Storage yes/no?

4.5 Stern(e)
11 Voting

2024-09-08 16:53:29

Answers: 44

Terraced end house from 1915, photovoltaic system?

4.5 Stern(e)
7 Voting

2024-04-01 19:29:21

Answers: 34

Application KfW 442 Solar Power for Electric Cars

5 Stern(e)
7 Voting

2023-09-26 18:07:15

Answers: 42

Guide for Photovoltaics on Existing Logistics Buildings Published

5 Stern(e)
5 Voting

2024-07-12 15:03:01

Answers: 3

12 kWp photovoltaic system Trina Vertex S and Fronius and BYD storage

4 Stern(e)
6 Voting

2024-04-27 15:38:10

Answers: 5

Obtain a photovoltaic system through prefab house builders?

5 Stern(e)
3 Voting

2024-05-19 22:10:42

Answers: 9

Photovoltaic system - rough cost framework

4.5 Stern(e)
5 Voting

2024-05-12 00:45:26

Answers: 14

PV system for the whole roof or better to undersize?

4.5 Stern(e)
7 Voting

2024-05-02 22:12:14

Answers: 14

Experiences with Strong Energy CRN2ST memory

4.5 Stern(e)
5 Voting

2024-04-18 22:38:07

Answers: 0

Photovoltaic system, house or garage roof?

4.5 Stern(e)
4 Voting

2024-04-05 23:37:27

Answers: 5

Should photovoltaic design be considered with the heat pump or not?

4 Stern(e)
5 Voting

2023-09-28 21:34:25

Answers: 20

Photovoltaic system cable passage house wall

4 Stern(e)
5 Voting

2024-03-04 13:07:38

Answers: 1

Ba-Wü photovoltaic requirement for old buildings - renewing roof tiles

4 Stern(e)
5 Voting

2024-02-11 11:28:13

Answers: 18

Viessmann blackframe photovoltaic system vs. DMEG monotop

4.5 Stern(e)
4 Voting

2024-02-09 12:32:36

Answers: 0

Evaluation of Photovoltaic Offer

5 Stern(e)
4 Voting

2023-12-22 11:38:32

Answers: 14

Electricity costs for a KfW QNG 40 house

5 Stern(e)
4 Voting

2023-12-05 23:14:55

Answers: 19

Evaluation of Photovoltaic System Offer with Storage

5 Stern(e)
4 Voting

2023-09-26 13:02:13

Answers: 78

Fire hazard photovoltaic battery: What are the installation options?

4.5 Stern(e)
6 Voting

2023-10-03 10:56:21

Answers: 31

Photovoltaic system - Installation in the utility room

4.5 Stern(e)
4 Voting

2023-10-04 21:00:26

Answers: 10

KFW 40 and QNG: Meaning of Photovoltaics and Storage

4.5 Stern(e)
5 Voting

2023-09-23 21:50:21

Answers: 9

Minimum size of photovoltaic system for new construction

5 Stern(e)
3 Voting

2023-09-26 10:32:12

Answers: 4

Convert hot water from solar thermal system to photovoltaic system?

4.5 Stern(e)
3 Voting

2023-05-30 15:35:17

Answers: 12

Evaluate offer, photovoltaic system technology

5 Stern(e)
5 Voting

2023-01-30 12:00:19

Answers: 86

Balcony power plant, costs and benefits, experiences?

4.5 Stern(e)
7 Voting

2022-08-27 06:48:58

Answers: 13

Is it possible to change the electricity provider with a two-way meter?

5 Stern(e)
4 Voting

2023-08-10 11:17:33

Answers: 2

How much does a photovoltaic storage deliver?

4.5 Stern(e)
5 Voting

2023-08-06 17:31:12

Answers: 7

Green flat roof and photovoltaic system

4.5 Stern(e)
4 Voting

2019-04-09 17:08:49

Answers: 14

Photovoltaic system with hybrid inverter without internet connection?

4.5 Stern(e)
3 Voting

2023-06-02 09:03:15

Answers: 13

Evaluation of Photovoltaic Offer and Components

5 Stern(e)
7 Voting

2023-05-02 17:12:10

Answers: 34

Is preparing for photovoltaics in new construction sensible?

5 Stern(e)
12 Voting

2021-03-15 12:39:00

Answers: 81

Photovoltaics at any cost - current situation and offers

5 Stern(e)
10 Voting

2022-07-31 13:22:19

Answers: 169

Planned throttling of wallboxes and heat pumps

4.5 Stern(e)
5 Voting

2023-03-15 10:16:10

Answers: 34

Can someone explain to me the billing of the feed-in tariff?

4 Stern(e)
6 Voting

2023-03-19 17:08:03

Answers: 0

Photovoltaic system, heat pump, household electricity, and three bi-directional meters

4.5 Stern(e)
3 Voting

2023-03-10 17:10:57

Answers: 9

Photovoltaic Battery Storage - Market Check Fire Hazard

5 Stern(e)
8 Voting

2022-10-24 00:21:36

Answers: 52

Photovoltaic system on carport without feed-in

4.5 Stern(e)
3 Voting

2023-03-05 12:58:49

Answers: 15

Recovering value-added tax on photovoltaics through the general contractor

5 Stern(e)
5 Voting

2022-03-23 11:29:56

Answers: 10

Refund of value-added tax on photovoltaic systems

5 Stern(e)
8 Voting

2023-02-24 11:42:30

Answers: 4

Order photovoltaic system with battery online or on-site?

4 Stern(e)
5 Voting

2023-01-16 11:25:03

Answers: 8

KKT-Kolbe complete package - is it any good?

5 Stern(e)
5 Voting

2023-01-22 18:22:38

Answers: 1

PVT system and brine-water heat pump experiences?

4.5 Stern(e)
4 Voting

2023-01-22 18:09:13

Answers: 1

Accept offer for 16kwp photovoltaic at this time?

5 Stern(e)
5 Voting

2022-12-14 20:27:47

Answers: 36

Photovoltaics - leave the roof as is or wait?

5 Stern(e)
5 Voting

2022-12-20 13:03:28

Answers: 7

Photovoltaic offer with storage experiences?

5 Stern(e)
4 Voting

2022-12-11 13:53:52

Answers: 11

Fair offer for photovoltaics and storage?

4.5 Stern(e)
3 Voting

2022-12-07 22:46:31

Answers: 2

Using photovoltaics for home electricity without synchronization requirements of the electric grid

4 Stern(e)
5 Voting

2022-09-28 22:39:57

Answers: 10

Electric meter photovoltaic system air source heat pump

4.5 Stern(e)
3 Voting

2022-09-15 22:05:25

Answers: 7

Photovoltaic system and storage not completed at building handover

5 Stern(e)
5 Voting

2022-09-05 08:47:42

Answers: 18

Photovoltaic system offer for our single-family house

5 Stern(e)
8 Voting

2022-04-21 08:45:29

Answers: 162

Inverter, what should be considered?

4.5 Stern(e)
4 Voting

2022-08-24 13:45:25

Answers: 28

Savings photovoltaic system, storage, power cloud

5 Stern(e)
5 Voting

2022-08-04 10:12:26

Answers: 41

Solar storage for photovoltaic system?

4.5 Stern(e)
3 Voting

2022-05-10 17:08:46

Answers: 7

Waiving feed-in tariff, always feasible? Storage price?

4.5 Stern(e)
5 Voting

2022-07-18 12:52:30

Answers: 25

Upcoming funding for photovoltaic?

5 Stern(e)
5 Voting

2022-07-11 11:38:28

Answers: 12

Intelligent control photovoltaic system

4.5 Stern(e)
4 Voting

2022-07-14 17:43:11

Answers: 12

How do photovoltaic system providers search for a new construction?

4.5 Stern(e)
3 Voting

2022-07-04 13:08:20

Answers: 24

Current prices of photovoltaic systems / experiences with reliability?

5 Stern(e)
7 Voting

2022-05-26 19:27:14

Answers: 31

Assessment of photovoltaic offer including wallbox + storage

4.5 Stern(e)
5 Voting

2022-06-19 19:43:07

Answers: 7

Assessment of Photovoltaic System Offer

4.5 Stern(e)
6 Voting

2022-06-09 13:06:48

Answers: 33

Promotion of photovoltaic systems Easter package

5 Stern(e)
12 Voting

2022-02-18 14:57:53

Answers: 108

What is the feed-in tariff?

4.5 Stern(e)
4 Voting

2022-05-29 13:48:28

Answers: 4

Is bird protection in photovoltaic systems useful?

4.5 Stern(e)
5 Voting

2022-05-09 21:33:16

Answers: 5

Photovoltaic system 46562, 8.88 kWp, €13,414.98 Solarwatt

4 Stern(e)
5 Voting

2022-05-03 13:50:45

Answers: 10

Restrictions on photovoltaic systems in the development plan

5 Stern(e)
3 Voting

2022-04-13 01:21:19

Answers: 9

SmartGrid configuration, using photovoltaic surplus for heat pump

4.5 Stern(e)
5 Voting

2022-03-31 15:31:51

Answers: 4

Install photovoltaic system with air-to-water heat pump?

5 Stern(e)
4 Voting

2022-04-02 14:05:35

Answers: 27

9.2 kWP system - size of the battery storage?

4.5 Stern(e)
3 Voting

2022-03-30 09:37:31

Answers: 11

Expansion of a 3kWp system in Denmark

4.5 Stern(e)
4 Voting

2022-02-16 21:53:39

Answers: 10

Photovoltaics are coming up - Options: 19 kWp, 25 kWp, 30 kWp, Storage?

4.5 Stern(e)
7 Voting

2022-03-27 09:28:39

Answers: 30

What is the meaning of output power in the inverter?

4 Stern(e)
4 Voting

2022-03-24 12:57:06

Answers: 3

Switching from gas to solar / photovoltaic with / without heat pump

5 Stern(e)
8 Voting

2022-03-10 09:20:31

Answers: 31

Photovoltaic system air-water heat pump - profitability single-family house KFW55EE

5 Stern(e)
5 Voting

2022-01-11 23:19:49

Answers: 95

Photovoltaics on the terrace roof - sensible?

4.5 Stern(e)
4 Voting

2022-02-14 20:54:34

Answers: 5

Economic Efficiency of Photovoltaic System and Storage

4.5 Stern(e)
3 Voting

2022-02-07 19:49:05

Answers: 7

Newly built photovoltaic semi-detached house - offer comparison

5 Stern(e)
4 Voting

2022-01-30 12:18:35

Answers: 24

How large does the photovoltaic system need to be?

4.5 Stern(e)
5 Voting

2022-01-31 19:50:18

Answers: 36

Consultation for photovoltaic system

5 Stern(e)
8 Voting

2021-09-13 14:52:07

Answers: 227

Inverter and power storage under the roof?

4.5 Stern(e)
4 Voting

2022-01-11 09:38:27

Answers: 4

Electricity meter for heat pump in combination with BAFA and photovoltaic

4.5 Stern(e)
4 Voting

2021-08-20 07:08:30

Answers: 22

E-car - Bidirectional Charging: Battery Storage 2.0

5 Stern(e)
5 Voting

2021-12-19 23:09:14

Answers: 37

Photovoltaic system: Costs, saving potential? - Experiences?

4 Stern(e)
48 Voting

2020-01-16 10:50:38

Answers: 240

Lead photovoltaic conduit from the utility room to the roof

5 Stern(e)
5 Voting

2021-11-01 16:06:04

Answers: 4

Which wallbox for electric car

5 Stern(e)
5 Voting

2021-10-26 08:08:05

Answers: 18

Photovoltaic system 120 sqm living area - cover the entire roof?

5 Stern(e)
8 Voting

2021-10-25 23:00:11

Answers: 45

Photovoltaic system / heat pump, do you have 2 meters?

4.5 Stern(e)
10 Voting

2021-01-02 07:15:55

Answers: 55

Photovoltaics with later battery retrofit, what do I need?

4.5 Stern(e)
5 Voting

2021-09-28 20:12:48

Answers: 8