Tag: renewable energy
Uskladňovanie energie ako účinná zbraň v boji s emisiami
Publikované 22. 01. 2020 | Autor Radoslav Stompf
S rastúcou priemernou teplotou a počtom prírodných katastrof spôsobených extrémnym počasím sa zintenzívňuje debata o znižovaní, ba až eliminácii, emisií skleníkových plynov. Nie všetky sektory a odvetvia však bude ľahké dekarbonizovať.
Pripravte sa na dobu modernej energetiky: Distribuované zdroje energie a microgridy
Publikované 29. 11. 2019 | Autor Eva Almasiova
Budúcnosť patrí obnoviteľným a distribuovaným zdrojom energie, vzájomne prepojených do tzv. microgridov. Je však potrebné vysvetliť, čo to tie distribuované zdroje a microgridy vlastne sú. A predovšetkým - ako fungujú.
The Effective Fuels of the Future: Biomass and Biogas
Publikované 22. 08. 2019 | Autor Radoslav Stompf
Remember the stories of people burning wood in the fireplace to heat up their homes? They cut the trees to get building material for their houses. The branch leftovers which were not going to be used were burnt in the fire to create energy, in this c…
Geothermal Energy: the Clean Renewable Energy Hidden Inside Our Planet
Publikované 15. 08. 2019 | Autor Radoslav Stompf
Imagine heating up your household in the cold winter months only using the resources offered by Mother Earth without causing any harm to it. This is the everyday reality of the countries enjoying geothermal energy as the renewable energy source to ge…
Opportunities for the Hydroelectricity of the Future
Publikované 08. 08. 2019 | Autor Tibor Tarabek
Hydropower produces ¾ of the world’s renewable energy. As we’ve entered the 21st century and the need for renewable energy grows as we realize the limits of fossil fuels, hydro will take center stage once again. On a larger scale, hydropower generate…
Hydroelectricity: Major Challenges and Issues
Publikované 01. 08. 2019 | Autor Branislav Safarik
Hydroelectric energy is generated through the natural cycle of water flow. On our planet’s surface, evaporation sends water upwards into the Earth’s atmosphere, only to be later pulled down by our planet’s gravity. As it subsequently falls down, Eart…
Hydroelectricity of the 20th Century
Publikované 25. 07. 2019 | Autor Radoslav Stompf
As the 19th century ended and the 20th century began, hydroelectricity entered its prime in terms of popularity. All across the developed world, governments invested into hydroelectric power as it was a very cheap source of renewable energy that was …
The Early History of Water Power
Publikované 18. 07. 2019 | Autor Branislav Safarik
Hydroelectric power is a relatively new invention, but the mechanical power of water has been in use for over two millennia. The invention of the wheel was soon followed by the invention of the water wheel, a device that uses the downward motion of s…
A Guide to Hydropower: What is it and How Does it Work?
Publikované 11. 07. 2019 | Autor Tibor Tarabek
Did you know that hydropower accounts for more than 18% of all renewable energy employment worldwide? While solar and wind energy often enjoy the spotlight, hydropower and other forms of energy also hold great potential...
European Countries Smashing Records for Wind Power Generation – Wind Power V.
Publikované 04. 07. 2019 | Autor Radoslav Stompf
Renewable energy sources are predicted to become the world’s main source of power within two decades. Countries across Europe are increasingly welcoming this trend – and wind power is one of the driving forces. In fact, in March, various European cou…
The Future - Wind Power IV
Publikované 27. 06. 2019 | Autor Tibor Tarabek
Wind energy generation has made significant strides since the first windmills were built some 5000 years ago. Humankind keeps discovering new and exciting ways of converting the wind’s kinetic energy into usable energy for our tasks. The 20th century…
The Modern Wind Turbine - Wind Power III.
Publikované 20. 06. 2019 | Autor Branislav Safarik
You’ve already seen it, probably not too long ago. If you live in the countryside, you might live near one. The three-bladed, horizontal-axis wind turbine, a distinct, modern symbol of renewable energy and the most common method of wind energy genera…
First Blows of Energy Independence - Wind Power II.
Publikované 13. 06. 2019 | Autor Tibor Tarabek
Wind power has been used to generate energy for over 5000 years, the 20th century marked a new and distinct era as the wind was being increasingly used to produce electricity, a much-needed resource in an industrializing world. This period was define…
Which Way the Wind is Blowing - Wind Power I.
Publikované 06. 06. 2019 | Autor Radoslav Stompf
Wind occurs during the natural motion of air within Earth’s atmosphere. Similar to solar power, it is a form of renewable energy that has been known since prehistoric times and it can be found in almost every region across the world. Arguably the old…
The Challenges of Solar Energy
Publikované 16. 05. 2019 | Autor Radoslav Stompf
Solar energy is a relatively new technology, still very much in development, yet we’ve seen a marked increase in efficiency while costs have been dropping (Swanson’s Law). Coupled with battery storage it has the potential to be a ‘magic bullet’ with…
Renewables in U.S. III - Green Energy Just Round the Corner
Publikované 02. 05. 2019 | Autor Zuzana Puchy
In our previous article, we were talking about barriers on the path towards sustainable and green energy which are imposed by the country itself. But the U.S. truly has the potential to disrupt the energy industry. It has a number of advantages that …
Renewables in U.S. I - Country Full of Opposites and Contrasts
Publikované 17. 04. 2019 | Autor Tibor Tarabek
The U.S. is without any doubt one of the world's most powerful countries. So why not use the country’s dominance for a good cause? Global warming is causing increasing damage and the biggest players can and should intervene.
Harnessing the Energy of Sea Waves
Publikované 24. 01. 2019 | Autor Radoslav Stompf
Everybody is familiar with solar energy. Wind power is also very common throughout the world. These sources of green energy are widely known because the forces behind them — sunshine and wind — are found all across the world. Yet people rarely think …
California Dreaming of a Sustainable Energy Future
Publikované 11. 12. 2018 | Autor Zuzana Puchy
California is a state that is constantly threatened by natural disasters, some of which are either caused or exacerbated by the effects of global climate change.
John B. Goodenough - The Inventor of the Li-ion Battery
Publikované 04. 12. 2018 | Autor Tibor Tarabek
John B. Goodenough is a world-class physicist and chemist who is credited for the identification and initial development of the first lithium-ion (Li-ion) batteries. He is considered to be a world-class solid-state physicist and one of the first to …
Energy in India: Current Challenges
Publikované 30. 10. 2018 | Autor FUERGY
The Sun sets over New Delhi, the capital of India and the seat of its government. Welcome to our 3-piece article on India, a nation of 1.34 billion people that is increasingly looking towards renewables, and especially solar power, as a means of achi…
Energy of the Past I: Non-renewable Sources
Publikované 18. 10. 2018 | Autor Zuzana Puchy
Energy generation sources can be divided into many different categories, but probably the most common division is into renewable and non-renewable energy sources. Perhaps you are more familiar with the pair of terms renewable and fossil fuel but not …
Trends in Climate Change I: Is the Sky Falling?
Publikované 25. 09. 2018 | Autor FUERGY
Anxiety about the future sells better than anything, and the climate change debate is becoming increasingly shrouded in fear. Sure, the nature of the greenhouse effect coupled with the exponential growth of our energy demands makes it necessary to ta…
The Duck Curve: Why Renewables Still Rely on Fossil Fuel Backups
Publikované 13. 09. 2018 | Autor FUERGY
Non-renewable backups, such as this thermal power station in Bulgaria, must cover the decrease in production and the rise in demand that simultaneously occur each evening.
One of the biggest challenges solar energy faces comes in the shape of a duck.…