The Pariss live in the outer suburbs of Berlin, Germany. Some time ago, the couple spent 36,000 US dollars to buy a home solar system, this system is composed of 26 solar panels, there is also a smart battery in the basement, the size of a small refrigerator. The intelligent software of the system also enables Paris to monitor the production, consumption and storage of electricity, and to track the power supply status of the grid in real time.
On sunny days, the photovoltaic panels on the roof can provide all the electricity needs of Paris`s family and charge their hybrid cars. If these basic applications are met, the remaining electricity will go to the Home Solar Energy Storage Battery to prepare for the energy demand at night and the subsequent cloudy weather. When the energy storage battery is also fully charged, the unit's digital control system will automatically direct the excess energy to the Berlin grid, and the local grid operator will compensate for this.
Paris believes that installing photovoltaic and energy storage batteries can pay off in 10 years. And after 10 years, most of the electricity used by households will not cost extra money, and this investment is also a hedge against rising energy costs.
After lower-cost solar systems appeared on the market 5 years ago, with the reduction of photovoltaic subsidies and the decline in the cost of energy storage batteries, more than 120,000 German households and small businesses have invested in batteries with battery energy storage functions out of their pockets. Solar energy equipment. No one expected the growth to be so fast.
ZTTEK Home Solar Energy Storage
Today, in Germany, one of every two orders for rooftop solar panels has a battery energy storage system. Home furnishing company Ikea even provides solar modules including energy storage capacity. Although 120,000 households and small businesses account for only a small part of Germany's 81 million population. However, relevant sources analyzed that this growth shows the strong appeal of the future green vision to people: solar panels are installed on every roof, electric cars are installed in every garage, and batteries are installed in every basement. The popularization of household energy storage batteries is an important step towards the future. In the future, a low-carbon economy will increasingly rely on decentralized and fluctuating renewable energy supplies.
In recent years, the German solar industry has been faltering, partly because of the lower production costs of solar panels in China, and the gradual decline in feed-in tariffs has also led to a sharp drop in solar deployment. Driven by the falling prices of lithium-ion batteries, solar panels and battery systems have become increasingly popular, providing a lifeline for the dying solar industry in Germany. Although battery energy storage lags far behind the development of solar energy so far, as batteries are cheaper and more powerful, they will be used more and more to store the unbalanced output of wind and solar energy, which is dependent on The energy of the weather provides flexibility.
Renewable Energy
In Germany, many energy companies have regained their feet because of the emergence of home energy storage systems. Germany has installed solar panel arrays on more than 1 million buildings, but most of them have not yet installed energy storage equipment. More and more homeowners are now buying batteries, and German energy storage equipment is also sold in France, the United Kingdom, Italy, the Netherlands, Spain, Australia and South Korea.
The price of a home energy storage system depends on the size of the house or business, the energy needs of the owner, how much sunlight the building can receive, and the quality of the panels, batteries, and management system. It is worth mentioning that the economics of battery energy storage are not the only motivation, or even the main motivation, of most battery system buyers. They want to be independent of power companies and rising electricity prices, and they want to contribute to green energy.
The Energy Storage Association of the United States predicts that from 2015 to 2020, China's energy storage capacity will increase 8 times, becoming a market with 2.5 billion U.S. dollars.
The energy storage market has a bright future
Experts are very divided on the future of battery-based energy storage technology. Some people believe that in the foreseeable future, lithium-ion batteries will still be the main battery type~
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