Hanwha Q CELLS and Solare Datensysteme collaborate on Q.HOME+ energy storage solutions

  • Now, the Q CELLS brand energy storage systems can be operated via the Solar-Log™ energy management system from Solare Datensysteme
  • Solar-Log™ provides energy storage customers with solar monitoring, feed-in management and smart energy solutions 
  • Solar-Log™-compatible storage solution Q.HOME+ ESS-G1 is available in Europe in 3 sizes


[Thalheim, 14 June 2018] Solare Datensysteme GmbH and Hanwha Q CELLS GmbH, the German subsidiary of the world's largest manufacturer of solar cells, Hanwha Q CELLS Co., Ltd. (NASDAQ: HQCL), collaborate on the Q CELLS brand energy storage solution Q.HOME+ ESS-G1. Now, users can control and monitor their Q.HOME+ ESS-G1 energy storage unit using the energy management system Solar-Log™ from Solare Datensysteme GmbH. PV monitoring, intelligent feed-in management and smart energy solutions allow customers to optimise their power consumption through effective energy management.


Solutions for every home – and every business


The Q.HOME+ ESS-G1 energy storage series is available in three versions with capacities of 3.6 kWh, 6 kWh or 8 kWh. Customers can choose the best version for their household or business, depending on individual average energy consumption. All three versions feature a high-quality lithium-ion battery, combined with an integrated inverter and battery charger. The units offer a 10-year product warranty and a performance warranty of at least 80% after 10 years.

Even though general mobile monitoring has always been possible for these systems, the integration with the Solar-Log™ solution now makes possible more extensive monitoring and analysis functions. 


The Solar-Log WEB Enerest™ online portal displays all the relevant information on the PV system as well as the Q.HOME+ ESS-G1 energy storage series. This includes measurements, such as the current charge state, and the charging and discharging capacity. As a useful analysis option, the charge history can be displayed for one day or seven days. With Solar-Log™, users can also determine how much stored energy they have consumed and how much spending they saved on electricity as a result.


Specially designed for the needs of small PV units in the residential segment, the Gateway Solar-Log 50 and Solar-Log 300 models can also be combined with the Solar-Log WEB Enerest™. These and other Solar-Log™ models are compatible with the Q.HOME+ ESS-G1 energy storage series and offer feed-in management (x % control), either included in the package or via an additional license. With “x % control”, the inverter production is limited to x % of the module output. When the battery is already 100 % charged and there is no other equipment active, this control feature caps power surges in accordance with the Renewable Energy Law.


Quote from Hanwha Q CELLS:

“We are pleased to now be able to offer our energy storage customers even more options and maximum freedom of control over their storage devices,” announced Maengyoon Kim, Head of European Sales at Hanwha Q CELLS. “Solare Datensysteme GmbH has long been known for their top-of-the-line energy management system. We are extremely excited about this new development because our customers stand to gain a lot from this collaboration.”


About Hanwha Q CELLS

Hanwha Q CELLS Co., Ltd. (NASDAQ:HQCL) is one of the world´s largest and most recognized photovoltaic manufacturers for its high-performance, high-quality solar cells and modules. It is headquartered in Seoul, South Korea (Global Executive HQ) and Thalheim, Germany (Technology & Innovation HQ) with its diverse international manufacturing facilities in Malaysia and China. Hanwha Q CELLS offers the full spectrum of photovoltaic products, applications and solutions, from modules to kits to systems to large-scale solar power plants. Through its growing global business network spanning Europe, North America, Asia, South America, Africa and the Middle East, the company provides excellent services and long-term partnerships to its customers in the utility, commercial, governmental and residential markets. Hanwha Q CELLS is a flagship company of Hanwha Group, a FORTUNE Global 500 firm and a Top 10 business enterprise in South Korea. For more information, visit:

Contact: Hanwha Q CELLS GmbH

Corporate Communications

Jochen Endle, Ian Clover

Tel: +49 (0)3494 6699 1012



Solare Datensysteme GmbH (SDS)

Solare Datensysteme GmbH (SDS), based in the German city of Geislingen -Binsdorf, is one of the leading companies in the areas of solar monitoring, smart energy and feed-in management with global service for operators and installers. Since August 2015, SDS is a subsidiary of BKW AG (Bern, Switzerland) – an international company for energy and infrastructure with more than 6000 employees. SDS specializes in developing and distributing monitoring systems for photovoltaic plants, with core competences that

include innovative products with short development cycles and the best price-performance ratio.


SDS is the manufacturer of the Energy Management System Solar-Log™, which consists of the Solar-Log™ device family and the Solar-Log WEB Enerest™ Portal. The system is currently installed in more than 110 countries – monitoring 279,073 plants with a total output of 12.35 GWp. Solar-Log’s easy installation function means a new plant can be added to the portal in just a few quick steps. Solar-Log™ is compatible with over 2,300 inverter models and with more than 130 different component manufacturers. SDS solutions make an important contribution to the successful integration of renewable energy into an intelligent power grid and help to make the successful transition to clean energy a reality. More information about SDS can be found at


Press Contact Solare Datensysteme GmbH

 Vivian Bullinger

PR & Marketing

Tel.: +49 (7428) 9418 223



Marco Weinmann

PR & Marketing

Tel.: +49 (7428) 9418 221


Safe-Harbor Statement

This press release contains forward-looking statements. These statements constitute "forward-looking" statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, and as defined in the U.S. Private Securities Litigation Reform Act of 1995. These forward-looking statements can be identified by terminology such as "will," "expects," "anticipates," "future," "intends," "plans," "believes," "estimates" and similar statements. Among other things, the quotations from management in this press release and the Hanwha Q CELLS’ operations and business outlook, contain forward-looking statements. Such statements involve certain risks and uncertainties that could cause actual results to differ materially from those expressed in or suggested by the forward-looking statements. Further information regarding these and other risks is included in Hanwha Q CELLS filings with the U.S. Securities and Exchange Commission, including its annual report on Form 20-F. Except as required by law, Hanwha Q CELLS does not undertake any obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.