Kategorie für Blog: Renewable

Fraunhofer ISE short study: Increased construction of large rooftop PV systems with small tilt angles

In a recently written short study, scientists from the Department of Energy System Analysis at the Fraunhofer Institute for Solar Energy Systems ISE prepared an evaluation of the Market Master Data Register (MaStR) and the EEG system master data for photovoltaics (PV). Important findings of the analyses were that with 38 percent of the newly installed capacity, the increase in capacity in Germany is increasingly taking place in the segment of rooftop systems larger than 100 kW, 22 percent of the newly built PV systems are erected in a west, east or east-west direction and 19 percent of these systems have tilt angles smaller than 20 degrees.

BVES industry figures 2021: 300,000 house stores in Germany

The industry figures published annually by BVES show a fundamentally positive development in retrospect for 2020 and in the forecast for 2021. Across all technologies and segments, sales in the energy storage industry grew by over 10 percent to EUR 7.1 billion in 2020.

Arte film clip (26 min., 2017) about Sweden's EcoCity Malmö

26 min, Available from 31/12/2020 to 07/03/2021, Film from 2017.

"New large-scale construction projects and ecological innovations ensured that Malmö today has become a prime example of the direct transition from industrial metropolis to sustainable Eco City. The secret recipe: the city relied not only on innovative technologies, but above all on the active participation of citizens in the change."

Hamburg decides to make photovoltaics compulsory from 2023

On 22.12.2020, the Senate passed the first legal ordinance on the Hamburg Climate Protection Act. This regulates the concrete implementation of the solar roof obligation and the integration of renewable energies when replacing heating systems. With these regulations, Hamburg is one of the pioneers in climate protection in the building sector nationwide.

DGNB study: No additional costs for sustainable construction

A new study from Denmark takes a look at the costs of sustainable building construction and shows that more sustainable does not automatically mean more expensive. On the contrary. The study by Buus Consult on behalf of the DGNB system partner from Denmark, the Green Building Council Denmark, now provides clarity. In the study, it takes a close look at 37 DGNB-certified buildings.

A4F Webinar "Building Evaluation with the Resource Score" (11/2020)

1 h 03 min., published: 18.11.2020

Klaus Dosch (Faktor X Agentur + ResScore GmbH) presents the Resource-Score, a pragmatic and generally understandable label for resource- and climate-friendly building.

Construction projects or more information on the subject:

What does the EU's CO2 reduction target mean for the German energy transition?

In the context of the Green Deal, the EU's tightened targets on the path to climate neutrality envisage a reduction in CO2 emissions of 55% by 2030 and 100% by 2050. Against the background of these tightened parameters, the question arises as to the impact on the energy transition in Germany. Based on its energy system model REMod, Fraunhofer ISE has calculated the consequences of the new EU targets for the expansion of renewable energies in Germany and now presents the results in a short study.

EU climate targets: 55% less greenhouse gases instead of 40% so far

The EU today agreed on stricter climate targets. Accordingly, greenhouse gases are now to be reduced by at least 55 percent below the 1990 level by 2030. Previously, the target was 40% for the same period. For the first time, the EU calculations also include the greenhouse gases stored in forests and other "sinks".

Transfer platform energiewendedörfer.de

With the portal https://energiewendedörfer.de the University of Kassel and the Georg-August-University Göttingen present first results from the joint project "Innovative concepts and business models for sustainable bioenergy villages - climate-friendly, democratic, close to the citizens". In particular, concepts for bioenergy or biogas plants are being developed that can enable continued economic operation following the previous 20-year EEG phase.

Berlin Brandenburg Innovation Award for the Lumenion high-temperature steel storage system for renewable energies

1:47 min, date: 11/27/2020

With the Innovation Award, the economic administrations of the two states of Berlin and Brandenburg annually honor innovative and outstanding work from the region. With the involvement of business enterprises and other institutions as private partners, the prize was and is also a prize of the economy for the economy. Since it was first awarded in 1984 (since 1992 jointly with Brandenburg), there have been more than 160 prize winners and over 4,000 applications. In 2020, the number of applications rose to 221, once again an increase over the previous year, despite more difficult conditions due to the Corona situation - a clear sign of the great innovative potential of the two states.

Lumenion GmbH: In order to generate sustainable renewable energy, the company developed the Lumenion storage system. It stores electricity as heat at 650°C. The stored thermal energy can then be used in a time-delayed and cost-effective manner as process heat for industry or as district heating.

More info

Advice on plug-in solar devices from the consumer advice centre and DGS

The German Solar Energy Society e.V. (DGS) and the energy advice service of the consumer advice centre have been cooperating with each other since 1 December 2020. Consumer enquiries from both institutions are answered by the energy advisors of the consumer advice centre. In return, the DGS trains the advisors of the consumer advice centre in the subject area of plug-in solar devices.

State of Lower Saxony launches funding programme for battery storage systems

The state of Lower Saxony has launched a new funding program for battery storage. The funding guidelines were published in the Lower Saxony Ministerial Gazette on 21 October. Applications can be submitted to the NBank with immediate effect.

The grant funding of up to 40 percent of the net investment costs of a battery storage system applies in connection with the new construction or expansion of PV systems (at least 4 kWp). In addition to natural persons, grant recipients can also be companies, legal entities, municipalities and many others.

Höfken: "Withdraw capital from fossil sectors - invest in green technologies of the future".

Months of a solar system

"To be climate neutral by 2050, we not only need to make additional investments in green and innovative technologies of the future. Above all, we also need a shift from existing investments in 'brown' raw materials such as coal, oil and gas to 'green' climate-friendly technologies. The phase-out of fossil fuels must be global and rapid, in line with the goals of the World Climate Conference. Only in this way can we realistically achieve the climate protection goals. Churches, municipalities and also companies are setting new standards here and demonstrating the feasibility of the changeover in both ecological and economic terms," said Environment Minister Ulrike Höfken today at the event "Divestment and Sustainable Finance", which took place during the Climate Protection Weeks in Rhineland-Palatinate.

TRASIQ 2: Transformative strategies for integrated neighbourhood development

Since April 2020, the Öko-Institut has been conducting research into how urban neighbourhoods can be sustainably transformed, using two neighbourhoods in the swarming city of Darmstadt as examples, in the project Transformative Strategies for Integrated Neighbourhood Development (TRASIQ 2). The Federal Ministry of Education and Research is funding the project, which is led by the Öko-Institut and involves the City of Darmstadt, the Institute for Regional and Urban Development Research (ILS) and the "Team Ewen" agency.

Mobility, heat and living space

The project focuses on the research topics of mobility, heat supply and efficient use of living space. Heat supply is an important key to climate-friendly living. How and where, for example, can district heating be expanded in existing properties? How can we increase the share of renewable energies in the heat supply? The size of the living space also contributes to how environmentally friendly a person lives. What needs to be done to ensure that people have the living space they need in their particular phase of life through intelligent apartment swaps? How can neighbourhoods be redesigned so that residents can organise their mobility ecologically?

Berlin tenant power project with 500 kWp

Wohnungsbaugenossenschaft Neues Berlin and Berliner Stadtwerke have agreed on another joint tenant power project. Six solar power systems with an output of around 500 kilowatts are being built in the Mühlengrund housing estate in Hohenschönhausen. Tenants of more than 1,100 apartments will soon be able to benefit from green electricity from their own roofs.

Higher CO2 price for heat and transport from January 2021

From 1 January 2021, climate-damaging fossil fuels will be subject to a price of 25 euros per tonne of CO2 is proven. This means that oil and diesel will become more expensive by 7.9 cents per litre, petrol by 7 cents per litre and natural gas by 0.6 cents per kilowatt hour. Citizens will be relieved of the additional costs, among other things, by a reduction in the price of electricity. The amendment, which had already been passed by the Bundestag on Thursday, also passed the Bundesrat today. The Fuel Emission Trading Act (BEHG) is designed to reduce CO2-price in the form of national certificate trading for the heating and transport sectors.

Wuppertal Institute study presents key points for 1.5 degree target

Glaciers are melting, sea levels are rising, heat waves and heavy rainfall are increasing: The consequences of climate change are visible and tangible worldwide, and the window of opportunity to act is shrinking. In order to significantly limit the global effects of climate change, the emission of greenhouse gases on earth must be drastically reduced. The agreement reached by the international community in Paris in 2015 sets the goal of limiting global warming to well below 2 degrees Celsius, but preferably to 1.5 degrees Celsius. Now, the Wuppertal Institute presented a study with possible cornerstones that can help to achieve the 1.5 degree target by 2035. The study shows that a climate-neutral energy system by 2035 is very ambitious, but in principle feasible, provided that all possible strategies from today's perspective are bundled. This requires, above all, bringing forward and intensifying measures that are described in many studies as necessary to achieve greenhouse gas neutrality by 2050.

World's largest solar heating plant in China

Solarserver reports on the world's largest solar heating plant, which has been in operation in China since 2016. It consists of parabolic trough collectors.

On the roof of a XuChen factory hall next to the company headquarters, there are 22,000 m2 collector area, a further 71,000 m2 collector area are implemented as ground-mounted systems. Together they deliver an output of 65 MWth. With concentrating collectors, it would thus be the largest solar heating plant of its kind. An even larger one is the Danish Silkeborg plant (110 MWth)which, however, is equipped with a different collector technology.

By way of comparison, the largest German solar thermal plant supplying a housing estate, neighbourhood or district currently has just 14,800 m².

Hydrogen strategy: EU must end subsidies for fossil fuels

Hydrogen is an important alternative for sectors stuck in the fossil fuel economy. As national governments and European parliamentarians negotiate the EU's hydrogen strategy, EASAC issues a new commentary. "Hydrogen can help reduce our dependence on fossil fuels," says William Gillett, director of EASAC's energy programme. "But the climate benefits are limited if we use fossil fuels to produce it - even with carbon capture and storage. The EU must put an end to fossil fuel subsidies. The fast-growing demand for hydrogen must be met by a massive increase in renewable electricity generation, along with certified imports from third countries."

RLP: 14 million additional euros for solar energy

"Solar energy is a fundamental pillar of the energy transition. In order to further support this and to achieve our goal - a complete power supply from renewable energies by 2030 - we are further expanding our successful solar offensive: In addition to expanding the solar storage programme, which is in high demand, we are currently developing a solar register for Rhineland-Palatinate. In addition, we will also promote solar carports, balcony plug-in modules, wall boxes or agro-PV projects in the future," announced Environment and Energy Minister Ulrike Höfken during the event under the motto "Solar Offensive Rhineland-Palatinate: Investments for Climate and Economy" as part of the series "Wednesdays in the MUEEF" in Mainz today.

1,000 PV systems on Deutsche Wohnen propertiesDeutsche Wohnen

Offensive for green electricity: Installation of 1,000 new photovoltaic systems and 2,000 charging points in Deutsche Wohnen neighbourhoods

"The building sector is responsible for around one third of all CO2-emissions in Germany. To achieve a climate-neutral building stock by 2050, the energy refurbishment of existing buildings alone is not enough," explains Michael Zahn, CEO of Deutsche Wohnen SE. "We also need to exploit the technological possibilities for CO2-Reduction to the fullest and open up the opportunity for our tenants to live sustainably."

New climate target: EU Commission proposes 55 percent reduction in emissions by 2030

As stated by EU Commission President Ursula von der Leyen in her State of the Union address announced, the European Commission today (Thursday) proposed that EU greenhouse gas emissions should fall by at least 55 percent by 2030 compared to 1990 levels. The previous target was 40 percent. The new target is based on a comprehensive impact assessment of the social, economic and environmental consequences. This shows that 55 percent less emissions is realistic and feasible. The new climate target will help support Europe's economic recovery from the coronavirus pandemic. It also demonstrates the EU's global leadership in the run-up to the next UN climate conference (COP26).

European Green Deal and German Council Presidency: Climate neutrality can only be achieved with ambitious climate targets

CO2-Emissions should be reduced by 65 percent over the next ten years compared to 1990 in order to achieve climate neutrality - Energy system must be converted to 100 percent renewable energies by 2040 - Investment of 3,000 billion euros required to meet European Green Deal and Paris climate targets - German EU Council Presidency can ensure that Corona aid packages link economic stimulus with climate protection

PV additions: Nuremberg and Hanover are ahead!

Good news for the PV industry: The solar cap will be abolished and solar expansion will be further promoted. The photovoltaic potential in Germany is enormous - especially when it comes to using roof space on new buildings. The new LichtBlick SolarCheck now shows in detail how well the 14 largest German cities are currently exploiting this potential. Enormous differences are revealed: While Nuremberg (49.1%) and Hanover (46.8%) exploit almost half of their potential, Munich and Düsseldorf do not even reach the 10 percent hurdle. The absolute taillight: the Hanseatic city of Hamburg with only 7.2 percent - one more reason for the solar obligation for new buildings planned by the mayor's office.

State parliament wants compulsory solar energy in Bremen

The parliament of Bremen wants to oblige the use of solar energy on all new and existing buildings in Bremen and Bremerhaven. Whenever the roof surface is completely renewed, they are to be equipped with a solar system in the future. This is photovoltaics and, if necessary, also solar thermal energy. The Senate is currently examining the latter.

1.6 million euros for private eco-investments in Schleswig-Holstein

State government launches climate protection support programme for citizens

Environment Minister Jan Philipp Albrecht today presented the state's new funding programme for private investment in climate protection. It starts on Tuesday, 9 June, and includes a bundle of support measures.

The purchase of cargo bicycles, e-charging stations, electricity storage systems, photovoltaic balcony systems, solar thermal systems, non-fossil heating systems and rainwater cisterns is subsidised. The installation of a district heating connection and a green roof are also subsidised.

With building culture through the Corona crisis: planning and building industry proposes four-point plan

The Federal Chamber of Architects (BAK) and the Federal Foundation for Building Culture, on behalf of the planning and building industry, today presented their proposal for an "Innovation Programme for Building Culture" to politicians in Berlin.

Anne Katrin Bohle, State Secretary in the Federal Ministry of the Interior, for Construction and Home Affairs, accepted the four-point plan. In it, the authors suggest measures to overcome the Corona crisis that will have a sustainable economic and social impact.

PV obligation on non-residential buildings in Baden-Württemberg

Environment Minister Franz Untersteller reacted with relief to the agreement reached yesterday by the coalition on the amendment of the Climate Protection Act. The law is to be passed by the state parliament before the summer break and will then replace the previous climate protection law from 2013.

Difu city survey "Climate protection most important task

Berlin/Cologne. Climate protection and adaptation to the consequences of climate change will become increasingly important for cities. This is one of the findings of the survey of (Lord) Mayors of large German cities* conducted by the German Institute of Urban Affairs in January and February 2020. Almost two-thirds of the respondents named climate protection as an important municipal issue for the future. This means that the number of mayors who attribute an increase in importance to this field of municipal policy action has more than tripled compared to the previous year. Future surveys will show how strongly this result was influenced by the protests of the 'Fridays for Future' movement.

280,000 photovoltaic systems turn the sun into electricity in NRW

The use of solar energy is an important pillar in the energy mix of the future and for the concrete implementation of the energy transition. At the end of 2019, around 1.8 million solar power systems with an output of 49,873 megawatt peak (MWp) were installed across Germany. With around 45 billion kWh of climate-friendly electricity, these accounted for a share of just under eight percent of German electricity generation. This amount is mathematically sufficient to supply 12.8 million households with electrical energy for a year. The approximately 280,000 turbines installed in NRW had an output of around 5,300 megawatt peak.

European solar research and industry calls for "Solar Europe Now

Brussels/Fribourg, 5 May 2020 - A new alliance, "Solar Europe Now", officially launched on 5 May, calls for the recognition of solar energy as a key technology for the objectives of the European Green Deal. The new alliance, which currently includes more than 90 stakeholders from across the European solar value chain, is concerned that the current presentation of the Green Deal does not take enough account of the photovoltaic sector.

Plus-energy and zero-emission house "ZebLab" in Trondheim

Length 1 min.
Time-lapse of the construction of the ZEB Lab in Trondheim (Norway) until April 2020

Completion: May 2020

ZEB laboratory
Address: Att. SINTEF Community
Høyskoleringen 7B, 7034 Trondheim, NORWAY

Project: https://zeblab.no/
Photos: https://zeblab.no/photos