Winfried Hoffmann I cordially welcome you to my webpage. Beside looking to my Curriculum Vitae you can download papers, presentations and summary of books and book chapters to the three topics:
Comments are greatly appreciated to my email here - thank you and have fun reading! SUNNY GREETINGS *** Winfried My current activities as of December 2023:
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last activities
Necessary Contributions to reach 100% Renewable Energy and Energy Justice 2nd International Conference on Renewable and Non-Renewable Energy (ICRNRE) This paper refers to my two presentations, given last year at the 1st ICRNRE in Valencia [1, 2] and describes the most important contributions necessary to reach the goals discussed:
As a conclusion it can be stated that we have the cost-effective technologies available to reach the goals - however, the reluctance from many old industries and political institutions and the challenges to mobilize trillion $s from the private sector secured by the public institutions are the biggest hurdles which have to be overcome! References: [1] 60% solar, 20% wind and 20% all others (hydro, bioenergy, nuclear, fossil et al.) to power the future global energy needs [2] Global energy justice and the Paris climate goal - what must be done? Download: 240422_24_2nd_ICRNRE.pdf
Globale Energiegerechtigkeit und das Pariser Klimaziel Renewable Energies
Notwendigkeit für neue Finanzierungsmodelle Die heutige Welt ist geprägt von einer großen Ungerechtigkeit der Energieverteilung in den reichen und armen Ländern, aber für alle ist die Notwendigkeit einer schnellen Umsetzung für eine CO2 - freie Welt bis 2050 gemäß dem Pariser Klimaziel überlebenswichtig. Beide Herausforderungen lassen sich meistern, wenn die reichen Länder ihre moralische Verpflichtung erfüllen, den armen Ländern mit geeigneten Finanzierungsinstrumenten die Möglichkeit zu erlauben, statt in fossile in erneuerbare Technologien zu investieren. Ein mögliches Finanzierungsmodell mit den notwendigen Änderungen der heutigen Kreditvergabe wird dargestellt. Die heute um einen Faktor 5 höheren Investitionskosten für Batterie und Stromspeicherung im Vergleich zu Kohlekraftwerken führen ohne Unterstützung zur Installation von fossilen Kraftwerken, mit unvorhersehbaren Folgen für uns alle. Download: 221130_Energiegerechtigkeit und Parisziel_HWB_WH.pdf
MOBILISATION OF FINANCING RESOURCES FOR RENEWABLE INVESTMENTS Renewable Energies
INVESTMENTS IN AFRICA, INDIA AND SOUTH AMERICA TO REACH THE 1.5°C GOAL This paper highlights that without appropriate long-term financing schemes most investments for energy supply in countries like Africa, India and South America unfortunately will be undertaken in fossil technologies. The simple reason is the fact that the investment necessary for a given quantity of energy per year is by a factor of ~5 less for fossil compared to renewable technologies. In an "ideal" world - zero Carbon emissions and equal energy per capita globally in the 2050s - the needed investments are 1,700 bn € annually starting in 2025 with a peak of 2,500 bn € in the mid-2030s and going to zero in the 2060s. Two additional scenarios... Download: 220926_WCPEC 8_Milano_Africa_India_SA_RE investment.pdf | ||||
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