Recent Trends In Renewable Energy – Renewable energy sources are especially urgent now that we have all become accustomed to the use of electrical energy. The extraction of fossil fuels must be reduced because they are being depleted at an ever-increasing rate, due to population growth and subsequent rapid urbanization. As a result, research continues into both power-saving electronic devices and potential energy sources. Therefore, it is important that future energy sources are reliable, renewable and environmentally friendly. The book includes a discussion of renewable energy sources such as wind and solar power plants and a comparison of renewable and non-renewable energy sources with accurate data from various case studies. In addition, they discuss the environmental impact of fossil power plants and provide real-time data from solar energy audits. The advantages of renewable resources over conventional resources are also explored in detail.
Dr. T Mariprasath received his PhD from Gandhigram Rural Institute – Deemed University, India in 2016, and is an Associate Professor at KSRM College of Engineering (Autonomous), India. His areas of interest include renewable energy resources, power systems, power quality, and smart cities.
Recent Trends In Renewable Energy
Dr. V Karubakaran is Assistant Professor at Center for Rural Energy at Gandhigram Rural Institute – Deemed University, India. He received his PhD in Energy Engineering from National Institute of Technology, India in May 2007. He is a recipient of the Young Scientist Fellowship, awarded by the Department of Science and Technology, Government of India. In addition to writing seven books, more than twenty articles have been published in various national and international magazines. His areas of interest include energy engineering and gasification.
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Dr. M. Ravindran received his PhD from Gandhigram Rural Institute – Deemed University, India in 2014, and is an Associate Professor at National Engineering College, India. His areas of interest include energy efficient drives, green insulation, and soft computing.
There are currently no reviews for this title. Please check this page again to see if any have been added. Technological innovation, cost efficiency, and growing consumer demand are driving renewable energy—especially wind and solar—to become the preferred energy source. We examine seven trends that are driving this change.
Recently recognized as a “mainstream” energy source, renewable energy is now rapidly becoming a priority. A powerful combination of enabling trends and demand trends—evident in many developed and developing countries globally—will help solar and wind compete on an equal footing with traditional sources and win.
The first enabler is that renewables reach cost and efficiency parity in the grid and at the outlet. Second, solar and wind can help balance the grid. Third, new technologies improve the competitive advantage of wind and solar.
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Demands from energy consumers are mainly clustered around three objectives that allow renewables to better meet the first three trends. With varying degrees of emphasis on each objective, consumers are looking for the most reliable, affordable and environmentally responsible sources of energy.
Chief among these users are cities that integrate renewable energy into their smart city plans, community energy projects that democratically access the benefits of on- and off-grid renewables, emerging markets that are on the path to renewable deployment. are operating, and corporations are expanding their reach. Purchase of solar and wind.
These trends are reinforced by two mutually reinforcing virtuous circles. Using new technologies will help reduce costs and improve integration. This will allow a growing number of energy users to access the energy sources of their choice and accelerate national energy transitions around the world.
Longstanding barriers to greater renewable deployment have been overcome, thanks to three enablers: rapid grid equalization, cost-effective and reliable grid integration, and technological innovation. Once dismissed as too expensive to expand beyond broad markets, solar and wind can now beat traditional sources on cost while increasing their efficiency. The idea that renewables need to solve many integration problems has been addressed: integration of solar and wind is starting to help solve grid problems. Finally, renewables are no longer waiting for the maturity of the technologies that support them, but instead embrace new technologies that outpace traditional sources.
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The pace of solar and wind deployment and steep cost curves have surprised even the most optimistic industry players and observers. Despite forecasts and persistent perceptions to the contrary, wind and solar energy have become competitive with conventional generation technologies in major global markets, even without subsidies.
Wind and solar have reached grid parity in cost and are moving closer to parity in performance with conventional sources. In fact, the unsubsidized levelized cost of energy (LCOE) for utility-scale onshore wind and solar PV generation is on par with or even lower than other generation technologies in much of the world.
While resources such as combined-cycle gas turbines (CCGT) have more flexibility to follow the load curve, increasingly affordable battery storage and other innovations help smooth out the effects of intermittent wind and solar. Gives more necessary confidence, compared to traditional. the source From a cost perspective, offshore wind has become the world’s cheapest energy source for electricity generation, with an unsubsidized LCOE range of US$30-60 per megawatt hour (MWh), falling below gas. Cheap fossils, natural gas. (US $42-78 per MW).
By the end of 2017, onshore wind capacity had more than doubled from 216 gigawatts (GW) in 2011: led by China, the United States, Germany, and India, a total of 121 countries had installed approximately 495 GW of onshore wind power. had put , Spain, France, Brazil, the United Kingdom, and Canada—and onshore wind has reached price parity in these nine countries.
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In the United States, the lowest rates are in windy areas such as the Great Plains and Texas, while the highest are in the Northeast.
Utility-scale solar PV is hot on the heels of wind: it’s another cheap energy source. The high end of the solar PV LCOE range (US$43-53/MWh) is lower than any other generation source.
A record 93.7 GW—more than the total capacity in 2011 (69 GW)—was added globally in 2017 in 187 countries, bringing total capacity to 386 GW, including China, Japan, Germany, the United States, Italy, India, and the United Kingdom. .
Solar has reached price parity in all of these markets except Japan, one of the highest solar markets in the world, mainly due to high capital costs. As Japan moves to competitive auctions, solar price parity is expected between 2025 and 2030. In the United States, the lowest rates are in the southwestern states and California.
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Globally, Australia has the lowest cost for solar PV and Africa has the highest investment costs.
Outside of major countries, wind and solar price parity is also seen around the world as the price gap between them and other sources of generation widens. Excluding combined fuel plants, the LCOEs of all conventional and intermittent renewable sources have been either flat (biomass and coal) or increased (geothermal, hydro and nuclear) over the past eight years, while those of windland and utilities LCOEs. -scale solar PV has grown to 67 percent and 86 percent, respectively, as component costs have decreased and efficiency has increased — two trends that are expected to continue.
According to Bloomberg New Energy Finance, the production cost of wind and solar PV has already decreased by 18 percent in the first half of 2018.
In Europe, Japan, and China, competitive auctions are a key factor driving down prices by driving unsubsidized deployment at low prices.
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Upgrading, or “repowering,” wind turbines in the developed world is also driving down global average costs by increasing capacity factors. In addition, global development costs can be reduced as global developers and international organizations join forces to facilitate project development. These partnerships help address the resource disparity created by the fact that Japan, Germany and the UK have some of the poorest solar resources but are global solar leaders, while Africa and South America, respectively, have large solar and wind resources. There are resources, but they are largely unknown.
As wind and solar capacity increases, many conventional sources will begin operating at lower capacity factors, which will increase the LCOEs of both existing and new-build conventional projects. The cost of new solar and wind plants could eventually be lower than not only the cost of new conventional plants, but also lower than the cost of maintaining existing plants globally. This has already been demonstrated in Enel’s winning bid last year to build a combination of wind, solar and geothermal plants in Chile that will sell electricity for less than the cost of fuel for existing coal and gas plants.
Offshore wind and concentrated solar power (CSP) also reach parity, with LCOE ranges that hit the high end of coal, but remain above the range of combined cycle gas. A record 4.9 GW of offshore wind came online in 2017 across 15 countries, bringing the total capacity to 19.3 GW, mainly located in the UK, Germany, China and Denmark.
Offshore wind has reached parity in Germany and Denmark and is expected to do so
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