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Solar Power Will Exceed Thermal Output by 2027: Economic Survey

Solar Power Will Exceed Thermal Output by 2027: Economic Survey

India has set itself the goal of 175 GW of renewable power capacity by 2022 and 275 GW by 2027.

NEW DELHI: India’s renewable energy programme is proceeding at such a rapid pace that its contribution to total power generation will equal that of coal in 2026 and surpass it the following year, according to projections made in the second volume of the Economic Survey released on Friday.

At present, India’s installed power capacity is 327 GW of which thermal power from coal comprises 192.16 GW or 55% of the total, while renewable energy capacity is 57.26 MW or 18% of the total. India has set itself the goal of 175 GW of renewable power capacity by 2022 and 275 GW by 2027.

But coal capacity is expected to increase by only 50 GW by 2022 and thereafter remain almost constant, as a result of which by 2027, coal-based power capacity will 248.51GW, or a shade less than that of renewables.

However, that will depend on the ambitious yearly energy targets being persistently achieved.

Already in 2016-17, installed renewable capacity increased by 24.5%, while thermal went up by merely 5.3%.

The survey notes that the cost of renewable energy has fallen drastically in recent years putting economic cost of solar and wind power almost on par with that of thermal power.

It points out that the levelised cost of electricity from solar halved between 2010 and 2014 and has fallen further since to a record low of Rs 2.44 per kwH at a solar auction in Rajasthan in May. It notes that wind tariffs too have dropped, though not as dramatically. But the survey also provides a detailed analysis of the social costs of both coal–based energy and renewable energy.

In all, it estimates that currently the social cost of renewables is around Rs 11 per kwH, three times the social cost of coal. However, in coming years, the balance is expected to change considerably as the cost of stranded assets becomes less important.

The report also notes that India is well on its way to achieving the Nationally Determined Contribution (NDC) goals it had committed to at international climate conferences.

Courtesy: http://economictimes.indiatimes.com

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Published at Tue, 15 Aug 2017 07:04:29 +0000

Bill Gates and the Quest for Sustainable Energy

Bill Gates and the Quest for Sustainable Energy

“We need an energy miracle,” says Bill Gates in this interview with Atlantic editor in chief James Bennet. “That may make it seem too daunting to people, but miracles in science are happening all the time.” So, what are the solutions to climate change? Gates has pledged to invest $2 billion in new alternative energy technologies. In this discussion with Bennet, he extolls the necessity of investment in vast and varied technologies to change such a massive infrastructure quickly. Read more about Gates’s commitment to moving the world beyond fossil fuels in the November 2015 issue of The Atlantic.

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Sustainable energy: New energy innovations to make the future brighter – Compilation

Sustainable energy: New energy innovations to make the future brighter – Compilation

1. An Australian company has been working on a system that uses underwater buoys to convert sea waves into zero-emission energy and desalinated water.

2. Scientists in China are producing solar panels that can produce energy from the last source you’d expect — rainwater.

3. A Japanese engineer has designed a new type of wind turbine that he believes would be able to harness power from typhoons.

4. Researchers at Binghamton University have come up with an interesting way to harness energy, using a resource we have far too much of — bacteria.

5. US scientists have developed a bionic leaf that can convert solar energy into liquid fuel.

Be sure to subscribe to TomoNews for more of the craziest news stories from around the world.

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4 benefits of using solar energy at home

The solar market is growing in the U.S and the rest of the world. Many people now realize the benefits of using solar power for their building. Here are the top benefits of using solar energy at home.

Save money

1

If you add solar panels to your home, you can save $100 monthly in many states. Within two decades, you can save more than $30,000. In Hawaii, $64,000 is saved in the first 20 years.

Good financing options

2

The Solar Purchase Power Agreements (PPAs) has made it possible that homeowners choose to finance their solar panels with ‘pay-as-you-go’ option. So, a third party owns the solar system and handles all the installation, maintenance, monitoring, and repairs. You just need to pay the solar provider. The payback period is only 10 years if you pay in cash. In Hawaii, it takes only 5 years.

Increase value of your home

3

If you buy a home with solar panels, you will spend less on electricity bills. Solar panels will make your home more attractive. A recent study conducted by National Renewable Energy Laboratory (NREL) has revealed that solar panels sell 20% faster and at a 17% more price. The average price of home increases by $17,000 once solar panels are installed.

Consider the incentives

4

Different states are providing incentives to use solar energy. You get a waiver on Federal Solar Tax Credit. You will also get part of the total system costs back. You will save a lot of money by installing solar panels on your house.

With solar panel, the price is fixed for at least the next 20 years. So, there is nothing to worry about the fluctuating energy prices. Solar panel manufacturers give 20 to 25-year warranty with their solar panels. You can lower the carbon footprint by using solar energy.

Samso: World’s First 100% Renewable Energy-Powered Island

Samso Island is the world’s first island to be completely powered by renewable energy. The island is situated near Copenhagen, Denmark. Samso is the result of the 10-year Renewable Energy Island Project. The project started after Denmark’s Minister for the Environment, Svend Auken, attended the Kyoto Climate Talks is Japan. In 1997, Auken held a competition where local communities were asked to provide the most realistic plan for a 100% transition to self-sufficiency using renewable energy. One peninsula and four islands participated in the competition. Samso was the winner and received funding from the Danish Energy Authority to come up with the details of their master plan. Here are the highlights of the project:

1. Samso generates more electricity from renewable energy than it consumed from 11 onshore and 10 offshore wind turbines which total 34 megawatts.

2. Samso’s Carbon dioxide footprint is negative 10 tons per inhabitant. This includes 10 offshore turbines built to compensate for carbon emissions from traffic.The average carbon dioxide footprint in Denmark is 10 tons per inhabitant.

3. Nine of the 11 onshore wind turbines were bought by farmers, and the other two were purchased by the 500 residents of Samso. Every 1-megawatt wind turbine can power about 630 homes.

4. The ten, 2.3-megawatt offshore wind turbines were installed two miles away south of Samso to stay away from the carbon dioxide emissions from cars, ferries and farming equipment on the island. Five of the offshore wind turbines were bought by the Samso municipality; three were purchased by the farmers, and the other two were bought by an investment company.

By making the local people part of the project has made the master plan successful. Samso is now a global example to create a sustainable community.

3 ways to make cities sustainable to make the world more livable

Cities occupy only 4% of the world’s lands but are home to more than half of the world’s population. Growing urbanization has a number of benefits. People who live in dense cities have small living spaces and so will be using up less energy. So, they will need fewer resources. There are disadvantages of urbanization as well. There will be more traffic, smog, and other pollutions. We need to be careful when we design cities. Here are three ways to make cities sustainable.

Improve mass transit

City commuters spend hours stuck in traffic congestion. They burn through gasoline. There must be more public transit in different places. Having better mass transit systems can help reducing the traffic congestion, and so the emission of carbon dioxide into the air.

Make buildings more efficient

About 40% of carbon dioxide emissions come from heating, cooling and powering buildings. Many countries are taking the initiative to insulate buildings better and have more energy efficient heating and ventilation equipment. This way, energy savings can reach up to 30 percent or more.

Use clean energy

Most of the city’s electricity plants are situated far away from the city. Some municipalities are becoming less dependent on power transmitted from distant generating stations. Solar energy systems are integrated on rooftops. It captures and recycles waste heat. Wind power is also used. Use of these energies also cut carbon emissions.

We should continue doing research and come up with more ideas on how to build a more sustainable city. We should use clean energy and reduce pollution to lead a healthy life.

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