What is a 4 kWp PV system?

A 4 kWp PV system is an efficient solution for generating electricity from solar energy. It is particularly suitable for single-family homes and supplies approximately 3,600 to 4,800 kWh of electricity annually. With the appropriate storage technology from DRBO Greenenergy, self-consumption can be maximized, leading to rapid amortization and long-term energy independence.

What exactly is a 4 kWp PV system?

A 4 kWp PV system includes solar modules with a rated power of 4 kilowatt-peak (kWp), an inverter, and a mounting system. These components work together to convert sunlight into electricity and feed surplus energy into the grid. Typically, such a system requires 10 to 12 modules, each with 400 Wp, which necessitates a roof area of approximately 25 to 30 square meters.

For households with an annual consumption of 4,000 to 5,000 kWh, a 4 kWp system is an excellent solution, as it can cover about 40 to 60 percent of the annual electricity demand. DRBO Greenenergy offers tailor-made complete solutions that include high-quality solar modules, micro-inverters, and efficient storage solutions such as the SunLit series to increase energy efficiency.

How does a 4 kWp PV system work?

The solar modules generate direct current (DC), which is converted into alternating current (AC) by an inverter to feed it into the household grid or the public grid. Any surplus electricity generated is either stored in a battery or fed into the grid for remuneration. An intelligent energy management system optimizes self-consumption and ensures that electricity consumption is synchronized with generation as much as possible.

A 4 kWp system can be optimally operated with various roof orientations. With a south-facing installation, an annual electricity production of up to 4,000 kWh can be achieved. With DRBO Greenenergy's Plug & Play systems, which include bidirectional inverters, installation is quick and easy.

What components does a 4 kWp PV system need?

DRBO Greenenergy offers customized complete solutions that include all necessary components to maximize the efficiency and longevity of the system. With Deye inverters and SunLit storage systems, high energy yield is ensured with minimal maintenance.

How much electricity does a 4 kWp PV system generate?

The annual electricity production of a 4 kWp PV system in Germany is between 3,600 and 4,800 kWh, depending on the location and orientation of the roof. In southern regions like Bavaria, the yield can be up to 4,800 kWh, while in northwestern areas it can drop to about 3,600 kWh. With an east-west orientation, a yield of about 3,800 kWh is expected, while facade systems can expect about 2,800 kWh annually.

With DRBO Greenenergy's storage systems, up to 70% of the generated electricity can be used for self-consumption, significantly reducing the need for grid power.

How much does a 4 kWp PV system cost?

The total cost for a 4 kWp PV system is between 8,000 and 12,000 Euros gross, including installation. With government subsidies and tax deductions, the price can drop to 7,000 to 10,000 Euros net. Installation costs an additional approximately 1,500 Euros.

DRBO Greenenergy offers its customers fair prices and flexible financing options to optimize the initial investment. In addition, costs can be further reduced by using refurbished storage units. Amortization typically occurs within 6 to 8 years.

How to install a 4 kWp PV system?

Installing a 4 kWp PV system requires several steps:

1. Checking the roof for load-bearing capacity and orientation.

2. Obtaining permission for installation, especially for larger systems.

3. Commissioning an electrician for correct wiring.

4. Commissioning the system in cooperation with the grid operator.

With DRBO Greenenergy's Plug & Play systems, tenants and owners can install the system themselves without damaging the roof. Certified installers can be called in if necessary to ensure professional installation.

What subsidies are available for 4 kWp PV systems?

Various subsidies are available for a 4 kWp PV system, including KfW loans, feed-in tariffs, and regional grants. The feed-in tariff in Germany is approximately 8 to 12 cents per kWh. DRBO Greenenergy offers support in selecting and applying for the best funding opportunities and provides information on tax benefits such as the tax bonus of up to 20%.

DRBO Greenenergy Expert Opinions

"Our 4 kWp PV solutions with SunLit storage and Deye inverters are ideal for making the energy transition cost-effective and sustainable. Through our high-quality products and simple Plug & Play approach, both tenants and owners can benefit from greater energy independence. We offer comprehensive advice and tailored solutions to provide every customer with the best possible energy efficiency." – DRBO Greenenergy Expert

Why is a 4 kWp PV system worthwhile?

A 4 kWp PV system offers many advantages: it saves approximately 500 to 700 Euros in electricity costs annually, protects against future electricity price increases, and increases property value by about 5%. By using storage systems like those from DRBO Greenenergy, self-consumption can be maximized and the return on investment can be increased to 12 to 15%. Furthermore, you make an important contribution to environmental protection by saving 2 to 3 tons of CO2 annually.

Which storage systems are suitable for a 4 kWp PV system?

For a 4 kWp PV system, DRBO Greenenergy's SunLit storage systems, available in 5 kWh and 10 kWh variants, are suitable. These storage options offer high efficiency of up to 90% and are specifically matched to Deye inverters.

With a SunLit storage system, self-consumption can be increased to up to 75%, which shortens the amortization period to about 5 years.

Conclusion: The 4 kWp PV system as a smart investment

A 4 kWp PV system is an excellent choice for households looking to reduce their energy costs and contribute to environmental protection. In combination with DRBO Greenenergy's storage solutions, you can maximize your energy independence and benefit from rapid amortization. Act now and start your energy transition with DRBO Greenenergy!

Frequently Asked Questions (FAQs)

Can I install a 4 kWp PV system as a tenant?

Yes, with DRBO Greenenergy's balcony models, tenants can also install a PV system without modifying the roof.

How long does a 4 kWp PV system last?

A 4 kWp PV system has a lifespan of 25 to 30 years, with solar modules still yielding 80% of their original performance after about 25 years.

Do I need permission for 4 kWp?

For systems up to 30 kWp, the process is simplified. Registration with the grid operator takes place within four weeks.

Is PV worthwhile without storage?

Yes, a PV system is profitable even without storage. However, with a SunLit storage system from DRBO Greenenergy, profitability can be doubled.

How do I clean the modules?

Rain is usually sufficient to keep the solar modules clean. However, an annual check and gentle brushing are recommended.

Some of the information in this article is sourced from the internet. Product specifications may be updated at any time. For the latest information, please visit the official website or product page.