You can install this self-generation station where you live, even if you're a renter. Traditional PV systems require equipment to be installed on rooftops, which require enough available area and adequate support.

Balcony PV system avoid these restrictions, and make better utilization of space. Especially for tenants, its rapid installation and disassembly are more convenient.

By using a small plug-in solar power plant, you can produce your own solar power and be a model towards climate protection and energy transition!

With your small solar system, you can collect solar energy in minimal areas. Even if you move, just unplug the power plug and bring the mini solar system to your new apartment. It's so easy for you to move it .

A perfect balcony solar plant built-in Batterlution micro battery

The past, present and future of balcony PV industry

Background of the balcony PV industry

The concept of energy self-sufficiency is gradually penetrating into people's minds, and the demand for energy by urban residents is continuously increasing. However, roof space available for photovoltaic installation is scarce. Thus, traditional balcony solar have become very prevalent and have seen extensive construction. Therefore, the balcony solar system was born.

The present of the Balcony PV Industry

In recent years, Balcony PV Industry has been widely promoted and applied. For example, new legislation in Germany has spurred the development of balcony PV  systems, and this figure is expected to continue to rise. All over the world, more and more countries and regions are incorporating balcony photovoltaic into their energy policy and have increased support for such projects.

At present, balcony PV system has becoming an effective way for families and businesses to save energy and reduce carbon emissions. However, at the same time, how to improve its power generation efficiency and reduce installation and maintenance costs have remained important issues that need to be resolved.

The future trend of the Balcony PV Industry

Balcony PV system is an innovative solution to address the limited rooftop resources in cities. Its main feature is that it can be installed in limited balcony space, making it suitable for residential buildings or high-rises. This form of PV power generation doesn't need separate rooftop resources, significantly improving the spatial utilization efficiency of solar  power and also noticeably enhancing the popularity of solar power.

The installation subsidies of balcony PV system

Policies and subsidies for balcony PV vary in different countries and regions.

Germany's Balcony Solar Subsidy Policy: The German government offers a series of subsidies for balcony PV, including financial subsidies for the energy storage part.

As of January 1, 2021, a new solar cell subsidy policy, the so-called "Green Deduction," has been implemented. This subsidy is given in the form of a 20% tax deduction and is likely to remain valid until 2024.

In addition, there are special time windows each year that provide additional subsidies. You need to check the eligibility conditions and application procedures on local websites, to make sure you are certain qualifications to receive the subsidies.

In Spain, commercial or industrial solar installations can enjoy a subsidy of 15%. If it's a small or medium enterprise and its in-house power is equal to or less than 15 kilowatts, then the subsidy can reach up to 45%. There are also corresponding subsidy policies for individuals.

However, due to subsidy limitations, there are quotas. Not all users installing balcony photovoltaic systems can benefit from this subsidy. Starting early with balcony solar plant increases your chances of securing a quota.

Analysis and calculation of balcony PV power plants and income

Capacity experiment of the balcony solar power station

According to the Stecker Solar Simulator, a solar simulator for calculating investment returns, we can draw two conclusions. 

Using the same data set — for a household of two people with an average annual electricity consumption of 2500 kWh, calculated at a rate of 33 euros/kWh, and with the solar power station installed at a 45-degree angle on the balcony railing — we conducted two comparative experiments.

1.The larger the micro-inverter outputs, the shorter the investment payback period.

The larger output the more income

2. The larger of battery capacity, the shorter of the investment payback period

the larger of battery the more income

Analysis and calculation of balcony PV power generation and income

From the analysis of the article, we can find that the optimal configuration of a balcony solar storage system is as follows:

 

  •        With 3 PV modules of 410W each, a balcony battery storage of 2.5kWh, and an 800W micro inverter, the system can produce about 4kWh of electricity per day, achieving demand shift.
  •       With 8 PV modules of 410W each, a balcony battery storage of 5kWh, and an 800W micro inverter, the system can produce about 8kWh of electricity per day, achieving both demand shift and self-use of solar power.

In conclusion, for balcony PV systems with power output greater than 800W, 100% self-use can be achieved through battery storage and programmable output. However, the actual self-consumption rate will vary according to the electricity usage habits of the residents. Micro-pollution control of present or future holographic micro batteries is also considered.

600W Balcony Solar Storage System:

  • Solar Panels: You will need 2*400W Solar panels. These panels are about 2 meters long and about 1 meter wide.
  • Mounting brackets: The PV panels will need suitable mounting brackets to fix them. Choose an installation kit suitable for the size and structure of your balcony.
  • Micro Inverter: You will need a micro inverter to convert DC power into AC power that can be used at home. This type of inverter is designed to cater to a 600W output and is typically plugged into the ports on the back of the PV panels.
  • Energy Storage Battery: The battery needs to be perfectly compatible with the inverter, generally, a capacity of 1-2kWh is chosen.
  • Cables: You will also need cables to connect the micro inverter to your power system, the length depends on the specific condition.
  • Electrical Interface: The interface connected to the home power system needs to meet local electrical standards and regulations.
  • Average Daily Power Generation: 1.6-2.4kWh.

800W Balcony Solar Storage System:

  • Solar Panels: You will need 4*400W Solar panels. These panels are about 2 meters long and about 1 meter wide.
  • Mounting brackets: The photovoltaic panels will need suitable mounting brackets to fix them. Choose an installation kit suitable for the size and structure of your balcony and ensure they can accommodate 400W panels.
  • Micro Inverter: You will need a micro inverter to convert DC power into AC power that can be used at home. This inverter is designed for an 800W output and is typically plugged into ports on the back of the photovoltaic panels.
  • Energy Storage Battery: The battery needs to be perfectly compatible with the inverter, generally, a capacity of 2.5-10kWh is chosen.
  • Cables: You will also need cables to connect the micro inverter to your power system, the length depends on the specific conditions.
  • Electrical Interface: The interface connected to the home power system needs to meet local electrical standards and regulations.
  • Average Daily Power Generation: 3.6-4.8kWh.

Component

600W Balcony Solar Storage System

800W Balcony Solar Storage System

PV Panels

2*400W Panels

4* 400W Panels

Mounting Brackets

Suitable for 400W Panels

Suitable for 400W Panels

Micro Inverter

Designed for 600W Output

Designed for 800W Output

Energy Storage Battery

1-2kWh, Compatible with Inverter

2.5-10kWh, Compatible with Inverter

Cables

Connect Micro Inverter to Power System

Connect Micro Inverter to Power System

Electrical Interface

Must Meet Local Electrical Standards and Regulations

Must Meet Local Electrical Standards and Regulations

Average Daily Power Generation

1.6-2.4kWh

3.6-4.8kWh

If you want to own your own balcony PV plant, then you can click here or picture to find the most suitable balcony PV system and micro battery for you.

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