Storing surplus electricity in the natural gas network

Surplus electricity can be used in power-to-gas facilities in order to produce hydrogen by means of electrolysis. The part of the gas that is not fed directly into the natural gas network or cannot be used can be channelled...[more]

Wind farm optimisation

Front-row turbines in offshore wind farms catch most of the wind. At the same time, they cause slipstreams many kilometres in length, characterised by slower wind and increased turbulence, thereby negatively impacting downstream...[more]

Solarthermal and photovoltaic power plants: a comparison

How will the market for photovoltaic and solar thermal power plants develop in coming decades? A study under the leadership of the German Aerospace Center (DLR) has analysed the development of these power plants up until 2030.In...[more]

Field test: networked micro CHP

Small combined heat power plants and fuel cells can be linked together and operated in an integrated network. A Regional Virtual Power Plant (RVK) along these lines is currently being trialled by researchers at the Technische...[more]

Design of the energy system

The conference "Research for the energy transition - shaping and designing the energy system" took place in Berlin at the beginning of November. The staging organisation was the Renewable Energy Research Foundation...[more]

Beginning of security standby

The Buschhaus lignite-fired power plant was temporarily decommissioned for four years on 1 October 2016. It is the first power plant to be put on security standby. After this, it will be permanently decommissioned. During...[more]

First cross-border photovoltaic auction with Denmark

The Federal Network Agency announced the first auction for ground-mounted photovoltaic facilities in cooperation with neighbouring Denmark in October. This means that for the first time, in addition to photovoltaic installations...[more]

23rd World Energy Congress: need for stronger international cooperation

Rainer Baake, State Secretary in the Federal Ministry for Economic Affairs and Energy, attended the 23rd World Energy Conference, which took place in Istanbul, Turkey, from 9 to 13 October. More than 10,000 decision-makers from...[more]

Energy conference in China

State Secretary Rainer Baake was guest speaker at this year's International Forum on Energy Transition in Suzhou, China. It is the international equivalent of Germany's Berlin Energy Transition Dialogue (BETD) and a major...[more]

UN climate conference in Marrakesh to achieve global energy transition

Rainer Baake, State Secretary in the German Federal Ministry for Economic Affairs and Energy, attended the 22nd UN climate conference in Marrakesh in the middle of November. He met with high-level energy policy-makers there to...[more]

Cooling with solar heat

Cooling or air conditioning for buildings with solar heat is especially attractive, as demand for heat and supply of heat are usually in balance. Cooling systems in southern climate zones and many process cooling devices require...[more]

Better control over deep drilling

With deep geothermal systems, 90 per cent of investment is accounted for by the drilling, depending upon the type of stone and depth. Every reduction in drilling costs contributes to an improvement in the economic balance sheet...[more]

Rotor blades with elastic leading edge

When in operation, the leading edge of rotor blades of wind energy systems are hit by innumerable raindrops. In spite of the paint and foils on the rotors, the material is damaged. Over the course of time, this leads to erosion...[more]

Ground-breaking ceremony for "NordLink" undersea cable

The ground was broken in the northern German federal land of Schleswig-Holstein in the laying of the new "NordLink" undersea cable between Norway and Germany in the middle of September.The 623-kilometre-long direct...[more]

Consensus with EU Commission on energy package

Following intensive discussions, Federal Minister of Economics Gabriel and EU Competition Commissioner Vestager agreed on an energy package at the end of August. It covers key aspects of the German Combined Heat and Power Act,...[more]

Germany and India aiming to deepen cooperation on energy

The seventh session of the Indo-German Energy Forum took place on 29 September 2016. It was co-chaired by Rainer Baake, State Secretary in the Federal Ministry for Economic Affairs and Energy, and Pradeep Kumar Pujari, State...[more]

Support for Jordan's restructuring of its energy sector

Sigmar Gabriel, Federal Minister for Economic Affairs and Energy, and Nasser Judeh, Jordan's Minister of Foreign Affairs, have signed a Joint Declaration of Intent on the Establishment of an Energy Dialogue between Germany and...[more]

International Energy Forum

Parliamentary State Secretary Uwe Beckmeyer attended a meeting of ministers under the auspices of the International Energy Forum (IEF) in Algiers at the end of September. The Energy Forum is the only forum in the world that is...[more]

Transatlantic Energy Transition Dialogue

Rainer Baake, State Secretary at the Federal Ministry for Economic Affairs and Energy, visited the United States of America within the framework of a bilateral exchange of experience on the energy transitions in Germany and the...[more]

Construction begun on first molten salt thermal storage facility

Researchers at the German Aerospace Centre (DLR) have developed a heat storage facility that stores heat in molten salt. The system can be used for power plants and electricity production. Molten nitrate and nitrite mixtures that...[more]

Hydrogen – storing energy in metals

Metal hydrides store hydrogen and heat. Their use in thermochemical storage systems is hampered, however, by the material's poor heat conductivity. Researchers from the Fraunhofer Institute for Manufacturing Technology and...[more]

A city serves as storage facility

How can urban areas make a better contribution to the energy transition? It was with this question in mind that researchers are studying so-called virtual energy storage systems in the North Rhine-Westphalian city of Herten and...[more]

Solar collectors are heating up the automotive industry

Researchers are planning to use solar process heat in the automotive and automotive supply industry within the framework of the German-Austrian research project SolarAutomotive. They are exploring which processes are best suited...[more]

Electro-mobility: rebate on purchases launched on 2 July

The Promotional Guideline Implementing the Buyer's Rebate for Electro-vehicles (environmental rebate) was published at the beginning of July and applies retroactively since 18 May 2016. The buyer's rebate is being funded in equal...[more]

First cooperation agreement on mutual cross-border pilot auctions for PV installations

The Danish and German governments signed a cooperation agreement on the mutual opening of auctions for PV installations on 20 July. This cooperation agreement is the first of its kind. It sets the framework for two pilot auction...[more]

Incentive Regulation Ordinance

The German Federal Cabinet adopted the Incentive Regulation Ordinance in accordance with the amendments proposed by the Bundesrat at the beginning of August. The Federal Government's revised Incentive Regulation Ordinance...[more]

Reform of the electricity market

At the beginning of July, the German Bundestag and German Bundesrat adopted far-reaching decisions on energy policy. The legislation tabled by Economic Affairs Minister Sigmar Gabriel on the continued development of renewable...[more]

German-Tunisian Energy partnership

Rainer Baake, State Secretary in the Federal Ministry for Economic Affairs and Energy, received Tunisia's Energy Minister Marzoug for the meeting of the steering committee of the German-Tunisian Energy Partnership in the middle...[more]

German delegation visits Greece

Sigmar Gabriel, German Federal Minister for Economic Affairs and Energy, visited Greece at the end of June with a business delegation of around 40 persons made up of representatives from companies, associations, business...[more]

G20 Energy Ministers Meeting in Peking

German State Secretary Rainer Baake attended the G20 Energy Ministers Meeting in Peking at the end of June. The group of the 20 most important industrial and newly industrialising countries is responsible for more than...[more]

Opening of the "Blade Maker" demonstration centre

In the BladeMaker project, scientists at the Fraunhofer Institute for Wind Energy and Energy System Technology (IWES) are working together with 16 industrial and research partners to find ways to manufacture large rotor blades...[more]

Compact design for long-term heat storage

In order to be able to harness summer heat for heating in winter, hot-water storage systems have to be very large, as small storage facilities cool quickly. For this reason, seasonal storage facilities are designed almost...[more]

Campaign to boost energy efficiency

Sigmar Gabriel, German Federal Minister for Economic Affairs and Energy, has launched a broad-based campaign to boost energy efficiency in a further step towards meeting Germany's ambitious climate targets and the decisions taken...[more]

New research initiative "Solar-powered Buildings / Energy-efficient Cities"

The German Federal Ministry for Economic Affairs and Energy (BMWi) as well as Education and Research (BMBF) have started up a joint research initiative called "Solar-powered Buildings/Energy-efficient Cities",...[more]

Financing of the electricity grids and of the nuclear energy phase-out

The German Federal Cabinet adopted key energy policies at the beginning of June: for instance the Incentive Regulation Ordinance (ARegV) and the declaration by the Federal Government on the implementation of the recommendations...[more]

2016 Renewable Energy Sources Act - the next phase of the energy transition

The German Federal Cabinet adopted the reform of the Renewable Energy Sources Act (EEG) on 8 June 2016. This will permit the further expansion of renewables in a controlled manner, synchronise their expansion with upgrading of...[more]

Cooperation by the North Sea States for more wind parks at lower costs

The eight states bordering on the North Sea and Luxembourg will work together intensively to build new offshore wind parks. They hope to save on costs and make an important contribution to achieve the objective of reducing CO2...[more]

PV Training Centre opened in Japan

dena opened an innovative photovoltaic reference project in Yokohama on 30 May 2016 within the framework of its Renewable Energy Solutions Programme. It includes a new grid-connected PV rooftop system with a capacity of 16.2 kWp...[more]

G7 energy ministers' meeting in Japan

Rainer Baake, State Secretary in the German Federal Ministry for Economic Affairs, travelled to Japan at the beginning of May in order to attend the G7 ministers of energy conference under Japanese presidency in Kitakyushu. At...[more]

2nd European Biomethane Conference - Register now

The 2nd European Biomethane Conference taking place on 20th June in Berlin is quickly approaching. The agenda is online, lots of market players have announced their attendance and several companies are supporting the event as...[more]

Gas reforming boosts electrical efficiency

Researchers at Oel-Waerme-Institut (OWI) and ECC Automotive have further developed a reformer for a mobile fuel cell system. The new reformer boosts the system efficiency of combined heat and power (CHP) units with a gas-fired...[more]

Electromobility: A new lease on life for car batteries

Reusing car batteries of electric vehicles can be a win-win situation: owners can refinance replacement of their batteries in part, while grid operators or owners of photovoltaic installations can optimise their installations at...[more]

Electromobility: Charging Station Ordinance enters into force

Following approval of the Charging Station Ordinance (Ladesäulenverordnung) of the German Federal Ministry for Economic Affairs and Energy by the Bundesrat in February, the ordinance went into force in the middle of March. With...[more]

Concept to safeguard diversity of players for the 2016 Renewable Energy Sources Act

A new draft Renewable Energy Sources Act (EEG) is currently being elaborated, which is then to be discussed in the legislative process also involving the German Länder and associations. EEG 2016 inter alia provides for various...[more]

German Federal Ministry for Economic Affairs and Energy presents its key points on opening up pilot auctions for ground-mounted PV installations to bidders from other European Member States

At the end of march, the German Federal Ministry for Economic Affairs and Energy presented its key points on partially opening up pilot auctions for ground-mounted PV installations to bidders from other European Member States in...[more]

China and Germany strengthen cooperation

The German Minister for Economic Affairs and Energy Sigmar Gabriel met the Chinese Minister of Commerce Gao Hucheng in Berlin at the end of February. The talks focused on bilateral and global trade issues as well as ways to boost...[more]

The energy transition in Germany: steps in 2016

The energy transition is one of the key projects for Germany’s future. In future, energy supply is to be based predominantly on renewables, with electricity produced from nuclear energy being phased out by 2022. Almost one-third...[more]

Electric cars stabilise the electricity grid

The public utility company Stadtwerke Hannover ended its field trials on how electric cars can be integrated into the electricity grid to help stabilise the system and what new business models can be developed to this end in...[more]

Process heat for industry: use of renewable technologies depends on temperature requirements

The production of heat for industry, households and businesses, commerce and services accounts for almost half of the entire energy consumption of the European Union. More than one-third is required by industry, a majority of it...[more]

Programme promoting PV battery storage started on 1 March

Under the new programme, investment in battery storage units that are installed in connection with a PV system and hooked up to the electricity grid is to be fostered until the end of 2018. The aim is to facilitate the ease of...[more]

Electricity costs under the Special Equalisation Scheme soon to be calculated based on average electricity costs

The Ordinance on the Average Price of Electricity tabled by the German Federal Ministry of Economic Affairs entered into force in February. The Ordinance brings the method used to calculate the relevant electricity costs under...[more]

Federal Ministry for Economic Affairs and Energy stipulates key principles for regional labelling of green electricity

The Federal Ministry for Economic Affairs and Energy published key principles for regional labelling of green electricity in the middle of March, which are to be part of the 2016 revision of the Renewable Energy Sources Act...[more]

Minister Gabriel and Israel’s Energy Minister Yuval Steinitz agree on closer cooperation

On the occasion of the 6th German-Israeli Intergovernmental Consultations, Energy Minister Yuval Steinitz and Sigmar Gabriel met in the middle of February. They discussed further opportunities for cooperation. Both countries aim...[more]

BETD 2016: energy transition opens up new prospects for international cooperation

The German Federal Government staged the second Berlin Energy Transition Dialogue 2016 on 17 and 18 March 2016, with more than 1,200 delegates from more than 70 countries attending. Foreign Minister Frank-Walter Steinmeier and...[more]

Understanding and controlling power grids securely

With increasing amounts of power electronics on the power grid, what are known as harmonic and interharmonic oscillations also increase. These are alternating currents which pulse at a multiple of the grid frequency. Whilst they...[more]

The German Cabinet sets the course for swifter grid expansion / offshore grid expansion on track

In October, the German Federal Cabinet implemented the "Principles for a successful implementation of the energy transition" of 1 July 2015. In the future, high voltage direct current transmission lines should be built...[more]

First DC link-up in Germany

At the end of October, the transmission system operators Amprion GmbH and TransnetBW GmbH awarded the order for the planning and construction of converters for the ULTRANET direct current project. The link from Osterath in North...[more]

Provisions for the future electricity market in place / understanding on lignite provides important contribution to attaining the climate targets

At the beginning of November, the German Federal Cabinet adopted far-reaching decisions on energy policy – including the Act on the Further Development of the Electricity Market. This aims to strengthen market mechanisms and to...[more]

Draft of Charging Station Ordinance adopted by German Cabinet

Germany is the first European Member State to have binding technical minimum standards for sockets and vehicle couplings for charging electric vehicles in accordance with the EU Directive. This guarantees the compatibility and...[more]

EEG surcharge 2016

In the middle of October, the transmission system operators announced the level of the EEG (Renewable Energy Sources Act) surcharge for next year. The EEG surcharge from 1 January 2016 will amount to 6.35 cents/kWh, rising only...[more]

Indo-German Joint Statement on Climate Change and Energy Technology Cooperation

Germany and India intend to strengthen their environmental cooperation, in particular in the field of climate protection. This is the outcome of the third Indo-German Governmental Consultations headed by Federal Chancellor Dr...[more]

First G20 Energy Ministers Meeting

The first G20 Energy Ministers Meeting took place in Istanbul on 2 October. The ministers focussed on inclusive energy collaboration for addressing the energy challenges of today and those of the future, on the basis of the G20...[more]

Adjusting the size and shape of thermal storage systems flexibly

Cost-efficient thermal storage systems are a key component for better harnessing waste heat and solar heat. Scientists at the Technische Universität Chemnitz and the University of Stuttgart are cooperating with the engineers of...[more]

Expert workshop by the German Federal Ministry for Economic Affairs and Energy – rotor blade, nacelle and foundation put to the test

Whether on land or in the sea, wind turbines are getting bigger and the towers higher. All components undergo various preliminary tests, in order to ensure that they can withstand strains that wind and weather place on them. In...[more]

German Federal Ministry for Economic Affairs and Energy promotes heating checks to boost energy efficiency

On 1 October, the Consumer Advice Centres launched the new heating check, which the German Federal Ministry for Economic Affairs and Energy has pledged a total of 1.5 million euros in funding to in the years 2015 and 2016....[more]

New requirements for heating devices

Two EU regulations, which entered into force at the end of September, mean that the EU energy label will also act as a guide for hot water boilers and heating devices in the future. Consumers are already familiar with the system...[more]

Cabinet decision on the promotion of combined heat and power boosts efficient supply heat and power

At the end of September, the German Federal Cabinet adopted a draft law amending the Combined Heat and Power Act (Kraft-Wärme-Kopplungsgesetz - KWKG). The bill sets forth improved funding for new CHP plants. The level of funding...[more]

More market opportunities for renewables thanks to greater flexibility

In the middle of September, the German Federal Ministry for Economic Affairs and Energy (BMWi) published the study entitled "Analysis of selected factors impacting on the market value of renewable energies“. The experts who...[more]

Tunisia promoting solar energy – with help from Germany

Federal Ministry for the Environment, Nature Conservation, Building and Nuclear Safety (BMUB) is supporting Tunisia in the political and technical implementation of its plans to use solar energy. Tunisia’s "Solar Plan"...[more]

Solar radiation atlas to promote climate protection in India

A new solar radiation atlas is designed to create the basis for broad expansion of solar energy in India. With the "Indian Solar Radiation Atlas", the Federal Ministry for the Environment, Nature Conservation,...[more]

Preparing the electricity grid for electric cars and heat pumps

One million electric motor vehicles are to be travelling on German roads by 2020. But the batteries for these vehicles need to be charged on an ongoing basis. This requires a lot of energy that is to come from a decentralised...[more]

Starting gun sounded for “green” hydrogen from Mainz

The biggest green hydrogen plant in the world was recently commissioned in Mainz with a symbolic throwing of the switch. After more than a year under construction, a model project for the German Energy Transition has now been...[more]

Numerous bids in the second round of tender for ground-mounted photovoltaic installations

The second round of tender for photovoltaic ground-mounted installations was completed on 3th August 2015. A total of 136 bids were received. While the price was still determined using the so-called “pay-as-bid” procedure in the...[more]

Networking mini-combined-heat-and-power plants virtually

Decentralised energy systems will continue to gain in importance in Germany in the future. As a result, the focus is shifting towards mini and micro CHP technology used in private households and small businesses. It was with this...[more]

Electricity Market 2.0 ensures security of supply

The German Federal Ministry for Economic Affairs and Energy published a White Paper entitled “An electricity market for the Energy Transition” in July. In it the Ministry advocates the further development of the electricity...[more]

Minister Gabriel: the Energy Transition has taken a great step forward

The German Federal Government has taken crucial steps to continue with the Energy Transition. Federal Minister for Economic Affairs and Energy Sigmar Gabriel together with State Secretary Rainer Baake jointly presented the...[more]

Minister Gabriel: New era for secure electricity supply – 12 neighbouring states want to start considering energy security as a European issue

German Minister for Economic Affairs and Energy Sigmar Gabriel joined together with a number of European States to sign a range of political declarations aimed at strengthening regional cooperation on ensuring secure electricity...[more]

Energy Union: EU Commission submits energy summer package

The revamping of the European energy system is taking on ever clearer contours. The European Commission presented proposals for the implementation of the planned Energy Union in Brussels in July. The EU’s Emissions Trading System...[more]

Energy research paves the way for the energy transition

The German Federal Cabinet adopted the 2015 Federal Energy Research Report at the beginning of May. It creates transparency in the public funding of energy research provided by the Federal Government, the Länder and at EU level....[more]

Batteries in the low-voltage grid for more PV electricity

In areas where already a large number of photovoltaic systems are installed, impermissibly high voltages can occur in the power grid on sunny days. For this reason researchers at the Centre for Solar Energy and Hydrogen Research...[more]

Basic electricity prices down slightly

For the first time in more than 10 years, the average prices across the country for the basic supply of electricity are falling in 2015. This trend has gained traction since the beginning of the year. According to random samples...[more]

Second round of bidding for ground-mounted PV installations started

The first round of bidding for ground-mounted PV installations ended on 15 April 2015. A total of 170 bids were received, so that the volume of 150 MW up for auction was oversubscribed several times over. The level of financial...[more]

EU Energy Ministers want to strengthen regional cooperation in the energy sector

The informal meeting of Energy Ministers on 15 and 16 April in Riga focused on the issue of “regional cooperation in the energy sector”. In October 2014, EU heads of state and government had reached agreement on a comprehensive...[more]

EU Directive on bio fuels confirmed by Parliament

The European Parliament confirmed the proposal for an amendment of the EU Directive on the quality of petrol and diesel fuels and the promotion of the use of energy from renewables at the end of April. Thus an important milestone...[more]

Indo-German energy cooperation agreed at Hannover Messe

At the Indo-German Energy Forum (IGEF), which was held at the Hannover Messe trade fair in the middle of April, five bilateral declarations of intent on B2B cooperation were signed in the presence of Dr. Upendra Tripathy,...[more]

German-Algerian energy partnership launched

The first session of the steering committee of the German-Algerian Energy Partnership was held in Berlin at the end of May. Diversification of the energy mix, increased use of renewables and improving energy efficiency are key...[more]

G7 Energy Ministerial in Hamburg

The G7 ministers of energy are seeking to further strengthen the security of the energy supply. They reaffirmed their objectives at a meeting in Hamburg that took place in the middle of May. Thus some countries with less stable...[more]

The local heating network links up new building construction with neighbourhoods in which there is an existing stock of buildings

Researchers at Stuttgart University of Applied Science for Technology, planners at the Ludwisburg-Kornwestheim Municipal Utility (SWLB) and the city of Ludwigsburg are combining the advantages offered by ambitious building...[more]

Amendment of the Market Incentive Programme creates new impetus for the energy transition in the heating market

The German Federal Ministry for Economic Affairs and Energy submitted the amendment of guidelines for the promotion of measures for the use of renewable energy sources in the heating market (the Market Incentive Programme, MAP)...[more]

Green Paper consultation on the electricity market

The Federal Ministry for Economic Affairs and Energy makes possible a broad discussion and well-founded political decision on the future design of the electricity market with the Green Paper “An Electricity Market for Germany’s...[more]

“Offshore Wind Industry“ sector forum at the 9th National Maritime Conference

The “Offshore Wind Industry” sector forum was opened in Bremerhaven at the beginning of March. This forum at the same time sounds the starting gun for the dialogue stage for the 9th National Maritime Conference, which will be...[more]

Energy Transition Dialogue in Berlin

The Federal German Government as well as the German Renewable Energy Federation (BEE) together with its member associations has staged the energy transition conference “Berlin Energy Transition Dialogue 2015 – towards a global...[more]

Share of renewable energies in electricity consumption at 27.8 per cent

The share of renewable energies in energy consumption in Germany reached its highest level thus far in 2014, setting a new record of 27.8 per cent. This is indicated by current figures from the Working Group on Renewable Energy...[more]

Indo-German Energy Forum and Renewable Energy Sources Investors Conference in New Delhi

The Indo-German Energy Forum (DIEF) took place for the sixth time now in New Delhi in February of this year, also attended by Parliamentary State Secretary at the Federal Ministry for Economic Affairs and Energy Uwe Beckmeyer and...[more]

Commission of experts at the International Energy Agency issues recommendations for energy storage research in Berlin

An expert commission of the Technology Network of the International Energy Agency met in March to discuss energy storage. It issued recommendations for future research on storage: the continuation of research and further...[more]

European Energy Union – a major opportunity

The EU ministers of Energy met together in Brussels at the beginning of March to address the design for the European Energy Union. In this context they also discussed how cross-border expansion of the electricity and gas...[more]

The German Federal Minister for Economic Affairs and Energy visits the Gulf Region and Egypt

The German Federal Minister for Economic Affairs and Energy, Sigmar Gabriel, travelled to the Gulf Region and Egypt for several days at the beginning of March. In political talks held in Saudi Arabia the focus was on...[more]

Heating system keeps rotary blades free of ice

The wind is particularly strong in cold climate zones - the best precondition for a wind-energy system. But at low temperatures there is a danger that a layer of ice will form on the rotary blades. This can lead to imbalances...[more]

Quadruple solar cell sets efficiency record

Researchers from the Fraunhofer Institute for Solar Energy Systems (ISE) have developed a quadruple solar cell which converts 46 per cent of solar energy into electrical power. Different semi-conductor materials are combined in...[more]

More support for small-scale CHP systems

The revised Mini CHP Directive entered into force at the beginning of this year, implementing a measure in the Climate Protection Action Programme. This is intended to improve basic promotion in the lower output area, launch a...[more]




Profile: project engineer, project developer, investor

Technology: wind energy

Stay up to date

To get our newsletter every two months, just sign in.

Opinion panel

“Experiences from due diligence processes with a total volume of more than 20 GW of wind power onshore and offshore testify to our unique expertise in reviewing and negotiating technical project contracts. Our customers profit from the fact that we can bring the practical experience and current findings from our wind potential evaluation and engineering departments to bear on the project assessments.” 

Joachim Binotsch, Managing Director, Head of the “Technical Due Diligence” Department, BBB Umwelttechnik GmbH