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A tipping point happens when a small push can create a large outcome. Energy experts say we are at tipping points for renewable energy because cost of renewables solar and wind plants is now lower than fossil fuel new plants. Another tipping point is when new renewable energy plants have less cost than old fossil fuel plants. Another tipping point is when storage and production of renewables cost less than new fossil fuel plants. The first is already here and the second and third points are being reached in 2023 and 2024. Another tipping point is the confidence point and this is when it is no longer necessary to use fossil fuels because the costs are just too high. Once this is reached renewables are the first choice around the world. The world is now reaching this confidence point. Germany's Energy and Economy Minister Habeck says Germany will be 80% on renewable energy by 2030.

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Work done by the Swiss Federal Institute of Technology in Lausanne using short burst of photothermal energy on biomass to produce hydrogen yet keeping the carbon intact, is shown in this Science article in The Hindu. These experiments and others are looking at the use of hydrogen as a form of renewable energy. Hydrogen has an impressive energy storage capacity which makes it an attractive source for renewable energy.

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Why for some countries base load coal based energy capacity becomes essential with lack of energy storage options. India has realized that without storage simply adding more renewable capacity will pose problems for grid managers. India will add 60 gigawatts of fresh coal powered base load capacity in addition to 21 gigawatts under construction to tackle the problem of intermittency. India now has 40% of installed energy capacity from non fossil sources, rising from 25% in 2013, with solar and wind making up 30%.

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DW.com looks at the challenges India faces in meeting its target of generating 500 gigawatts from renewable energy by 2030. Meeting Glasgow COP26 conference targets requires India to increase installation of solar energy at three times the rate in the past, as well as make massive investments in storage and grid infrastructure, says one expert. Right now India is on track to meet target of 175 gigawatts for 2022-2023.

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Economy Minister Habeck says- "Our energy system will be structured differently: we will have 80% renewable energies by 2030."  Germany will close its last 3 nuclear plants this week. Germany is shutting down all nuclear energy when other countries are increasing reliance on nuclear energy. Westinghouse is building Poland's first nuclear plant. Britain, France and Finland are increasing nuclear energy with its very low carbon emissions. Biden administration in the US is backing the building of a new generation of smaller nuclear reactors. Mr. Habeck the Economy minister says for the short term Germany has its natural gas storage tanks half full with the winter heating season over. New LNG terminals and imports help replace Russian supplies. In the long term Germany is way ahead in renewable energy than other countries and will craft its own solution in its own way.

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These are key provisions in the biggest climate change bill in history- Tax credits that last for over a decade for zero carbon plants- these tax credits go to companies that build new sources of emissions free electricity, for wind turbines, solar panels, battery storage, geo thermal plants. Tax credits also for new technologies that capture and bury carbon dioxide from natural gas plants and industrial facilities before it escapes into the atmosphere and heats the planet. This technology is rarely used because of high costs. Incentives for electric vehicles- It extends a tax credit of $7500 for new electric vehicles. It adds a $4000 tax credit for used electric vehicles. Tax credit goes only to people earning $150,000 a year (300,000 for joint filers) for new EV's and $75,000 (150,000 for joint filers) for used EV's. Help for people to lower energy costs - $9 billion in rebates for Americans installing energy efficient electrical appliances. And a decade of tax credits for Americans installing rooftop solar, heat pumps, water heaters and electric HVAC, or electric heating, air conditioning and ventilation technologies. Investments in Domestic Manufacturing- $60 billion for investments in clean energy manufacturing in the US. This includes $30 billion for production tax credits for solar panels, wind turbines, batteries and critical minerals processing. $10 billion in investment tax credits to build manufacturing facilities for electric cars and renewable energy technologies. This action is to halt the shifting of clean energy manufacturing overseas to China. $27 billion towards a green bank that would finance clean energy projects in disadvantaged communities. Cracking down on Methane- the bill places a fine on methane gas emissions from oil and gas wells and pipelines and other infrastructure. Fees of $900 per metric ton in 2024 and $1500 a metric ton in 2026 when it exceeds federally set limits.    ...