SMA Collaborates With TenneT for Better Solar Power Feed-In Predictions


SMA Solar Technology AG (SMA) and the transmission grid operator TenneT have recently signed a contract for the provision of current performance data from PV systems. The goal is to better integrate solar energy into the utility grid. Using data supplied by SMA, TenneT can make more realistic, real-time projections of the level of fed-in solar energy in the TenneT control area and, in combination with meteorological data for the coming hours and days, make more accurate predictions. This means that the growing proportion of electric current from PV systems can be planned much more effectively and integrated into the utility grid. This partnership is a significant milestone in the digitalization of the electricity supply.

“Following the pioneering technological work involved in generating sufficient volumes of renewable energy cost-efficiently, the next step is the digitalization of the energy industry,” said SMA Chief Executive Officer Pierre-Pascal Urbon. “The ability to provide accurate production and consumption data is a key element of the decentralized and renewable energy supply of the future. In this system, the data ensures that a safe, reliable and cost-effective electricity supply is available at all times. The partnership between SMA and TenneT is therefore an important step on the road toward a new energy world.”

“With the rapidly growing share of renewable energies in power generation, decentralized and real-time data about the generation of green energy is becoming increasingly important,” said Urban Keussen, Chairman of the Managing Board at TenneT TSO GmbH. “We can use this data to make much more reliable predictions about the feed-in of renewable energies. This helps us operate the utility grid reliably and economically, even with an increasing proportion of fluctuating green energy. The partnership between TenneT and SMA is the first of its kind in Germany. For the first time ever, a transmission grid operator can now receive solar power generation data directly. This partnership is therefore an important milestone in the digitalization of the energy industry.”

With over 220,000 PV systems registered on the online Sunny Portal worldwide, SMA has a unique basis for reliably predicting photovoltaic power generation. More than 40,000 PV systems equipped with SMA inverters are installed in the TenneT control area alone. Of course, SMA always takes care to protect its customers when supplying data. For example, the aggregation of current measurement data for PV power generation is based on postal code areas, which is an effective means of preventing the identification of individual systems.

The increasingly decentralized and volatile power generated at voltage levels below extra-high voltage poses new challenges for those responsible for safe grid operations–particularly in regions with a high PV penetration level, such as TenneT’s control area. Around 40% of the solar energy supply in Germany falls within the control area of the transmission grid operator, which includes Bavaria–one of Germany's largest producer states. TenneT therefore uses the data from SMA Energy Services to prepare region-specific projections and predictions for solar power, to market renewable energy, to reduce the normal energy demand and to improve bottleneck management. These measures not only increase system safety but, due to the grid charges, they also ultimately have a positive impact on electricity prices.


About SMA 
The SMA Group with anticipated sales of about €1 billion in 2015 is the global market leader for solar inverters, a key component of all PV plants, and offers innovative key technologies for future power supply structures. It is headquartered in Niestetal, near Kassel, Germany, and is represented in 20 countries. The Group employs more than 3,500 people worldwide. SMA has an extensive range of products, which offers the right inverters for all module types and plant sizes; for small residential systems as well as large-scale plants, grid-connected photovoltaic systems as well as off-grid and hybrid systems. Moreover, SMA offers system technology for various battery technologies and system sizes and collaborates with renowned battery manufacturers and companies from the automotive industry. The SMA technology is protected by about 700 patents and utility models worldwide. The range of services is supplemented by comprehensive services and operational management of large-scale PV power plants. Since 2008, the Group’s parent company, SMA Solar Technology AG, has been listed on the Prime Standard of the Frankfurt Stock Exchange (S92) and is currently the only company in the solar industry that is listed in the TecDAX index.

About TenneT
TenneT is one of Europe's leading transmission grid operators. With around 21,000 km of high- and extra-high voltage lines throughout the Netherlands and Germany, we provide a safe and reliable electricity supply to 41 million end users, 24 hours a day. With about 3,000 employees, TenneT is becoming a responsible market fore-runner in northwest Europe and integrating an increasing proportion of renewable energies as part of its sustainable energy supply. Taking power further

SMA Solar Technology AG
Sonnenallee 1
34266 Niestetal

Head of Corporate Communications:
Anja Jasper
Tel.: +49 561 9522-2805

Press contact:
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Tel.: +49 561 9522-1124
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SMA Solar Technology AG
Sonnenallee 1
34266 Niestetal - Germany

Telephone: +49 561 9522-1124
Fax: +49 561 9522-421400



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