IT Power India has taken an initiative to leverage Renewable Energy information around the globe to keep various stakehold...
2.   Price Trend     a) Non-Solar RECsThe Non-solar RECs were traded at Rs 1,5552/REC at PXIL and Rs 1,500/REC at IEX in t...
gap analysis between the total Non-solar RECs available for trading against the number of Non-solar RECs traded every mont...
Figure 7: Wind Capacity- Registered month-wise as on 29-08-2012IV.   News Snippets- Wind Energy                           ...
joining elements of such dimensions and quantities of bolts is very complex.”The aim is that all the bolts should have the...
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Itp wind bulletin_August

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An indepth analyses of REC Market- August'11 & Wind snippets

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Itp wind bulletin_August

  1. 1. IT Power India has taken an initiative to leverage Renewable Energy information around the globe to keep various stakeholdersin this sector informed about the recent updates in the Renewable Energy domain.In its first web based Bulletin, IT Power India has provided an update on the REC scenario in India and a few wind snippets frominternational sources.I. Spotlight on REC Trading - August 2012India witnessed its 18th REC trading session at both the power exchanges, Power Exchange India Limited (PXIL) and IndiaEnergy Exchange (IEX).An in-depth analysis1 for Aug’12 trading session is given below about the various trends observed in the Indian REC Market.1. Demand-Supply Analysis a) Non-Solar RECsThe demand in Aug’12 grew by 75.94% and supply boomed by 34.17% as compared to the REC market in the month of Jul’12.The supply continues to be significantly ahead of demand. Figure 1: Demand-Supply Analysis for Non-solar RECsThe period of March to August was selected and compared for 2011 and 2012 in terms of demand and supply of RECs. In 2012, thedemand quadrupled and supply increased by fourteen times that of 2011.The hike in demand and supply of Non-solar RECs this year is an evidence of strengthening of the REC Market in India.b) Solar RECsIn case of Solar RECs, the market behaved differently as compared to that of Non-solar RECs. The demand for Solar RECs slashedby 73.37% whereas the supply for Solar RECs remained almost same this month compared to last month.
  2. 2. 2. Price Trend a) Non-Solar RECsThe Non-solar RECs were traded at Rs 1,5552/REC at PXIL and Rs 1,500/REC at IEX in the month of Aug’12, with a decrease ofaround 29.38% in REC trading price at PXIL and 25% at IEX from the last month.When traded during Aug’11, the price of Non-solar RECs increased by 15.76% in IEX and 9.68% in PXIL from that of Jul’11.It was found that last year the REC prices kept increasing towards the end of compliance year, but this year the trend is adecreasing one. Neither the obligated entities nor the eligible entities are waiting for the year end to buy or sell their RECs. Thissupports the fact that REC market is establishing itself and is getting competitive every month. Figure 2: Price Trend for Non-solar RECs at PXIL & IEXb) Solar RECsThe Solar RECs were traded at Rs 12,850/REC at both the power exchanges this month. The price of Solar RECs increased by anegligible amount of around 0.39% as compared to that of Jul’11. Figure 3: Price trend for Solar RECs at PXIL & IEX3. RECs available vs. RECs traded a) Non-solar RECsThe volume of Non-solar RECs traded is a portion of the RECs issued every month and the leftover of the previous months. The
  3. 3. gap analysis between the total Non-solar RECs available for trading against the number of Non-solar RECs traded every monthhas been carried out and is given below. Figure 4: Non-solar RECs available vs. tradedThe gap is consistently increasing since Mar’12, with the maximum gap in the month of Aug’12, i.e. only 32.56% of the totalNon-solar RECs available were traded this month. b) Solar RECsA consistent gap between the Solar RECs available and traded is observed throughout the trading sessions. Figure 5: Solar RECs available vs. tradedII. Registered Wind Capacity under REC Mechanism (State- wise)An aggregate capacity of 1,727.46 MW has been registered in Gujarat,Tamil Nadu, Rajasthan, Maharashtra, Madhya Pradesh and Karnatakaunder the REC mechanism.III. Registered Wind Capacity under REC Mechanism (Month- wise)The Wind sector has been consistently dominating the REC Market. Amaximum of 246.95MW of wind capacity was registered in the month Figure 6: Wind Capacity- Registered State-wise as on 29-08-2012of Jul’12.
  4. 4. Figure 7: Wind Capacity- Registered month-wise as on 29-08-2012IV. News Snippets- Wind Energy Changing Cities: A Wind Turbine That Creates Fresh Water Wind energy is one of the safest sources of electricity Out of Thin Air “As a responsible industry that has been delivering clean For the nearly 20 percent of the world’s population who live electricity for more than 30 years, we collectively continue in areas without access to fresh drinking water, getting to engage with experts in science, medicine and access is a matter of life or death. Inspired by the mechanics occupational and environmental health to monitor ongoing of a dripping air conditioner, French inventor Marc Parent credible research in the area of wind turbines and human was inspired to create a solution that could bring fresh water health. While Health Canada’s proposed new study may to the most remote, driest parts of the world. contribute to the significant knowledge base on this topic, the balance of scientific evidence and human experience Parent created a company, Eole Water, that produces to date clearly concludes that wind turbines are not harmful wind turbines that literally pull fresh water out of thin air. to humans,” according to a joint statement signed by the His solution, dubbed the WMS1000 uses the electricity American Wind Energy Association, Australia’s Clean Energy generated from a windmill to collect and treat water without Council, the Canadian Wind Energy Association, the tapping into a water source such as a river, lake or well. European Wind Energy Association, Global Wind Energy Council and Renewable UK. Each unit can create 1,000 liters of drinking water using only moisture and powered only by wind. The WMS1000 can create According to the wind energy industry associations, wind water when there is no existing source available. That makes energy is regarded as one of the safest forms of electricity a difference. generation. At the end of 2011 there was 237,669 MW of installed wind energy capacity around the world. Wind Eole Water is testing the invention in France and Abu Dhabi. energy is a leading source of new electricity globally and is The invention, if the company can get the economics to work, operating in more than 89 countries. looks to be a promising solution to the water crisis. Source: Global Wind Energy Council Source: ABC News A model designed to balance the bolting load of wind turbines developed Mikel Abasolo, a researcher of the University of the Basque Country (UPV/EHU), has built a simplified simulation model for wind turbines. All one has to do is enter the characteristics that the tower and its parts will have, and in a matter of seconds the model predicts the load that has to be given to each of the bolts, which leads to great advantages in the construction and maintenance process. And it is a fact that in installations of such large dimensions, it is customary to have to adjust the bolts over and over again to balance the load. But this model enables these data to be known before the building begins. Abasolo has done this work in the ADM (Mechanical Analysis and Design) group of the Faculty of Engineering in Bilbao, in the line corresponding to renewable energies. Owing to their great height, wind turbine towers are built in two or three parts and are subsequently bolted together. However,
  5. 5. joining elements of such dimensions and quantities of bolts is very complex.”The aim is that all the bolts should have the same load so that they all work equally. But in practice, achieving this uniformity is no easy task. In an adjustment sequence, when you tighten one bolt, the previous ones lose part of their load,” explains Abasolo. So, if in one sequence a load of 100 points (for example) is assigned to all the bolts one by one, by the end of the sequence most of them will not remain the same because when one is adjusted, the previous ones lose load. This is the reason why this simplified model is so valuable, because it can predict what load has to be apportioned to each bolt at the moment when the installation is assembled, so that by the end of the process the load ends up being uniform. You have to input into the model data like tube geometry, the exterior and interior diameter, the metrics and resistance of the bolts or the final load you want to achieve; this is enough so that in a matter of seconds the result that fits the circumstances is achieved. “The load that has to be assigned to each bolt will be greater than what one wants to obtain at the end, because it is lost in the sequence. If one wants to achieve a final load of 100, some will have to be assigned 110 and others 120, etc. The model tells us the exact load that has to be given to each bolt. This way the final load will be achieved in one single step, or, in two, at the most,” asserts Abasolo. This model can also be applied to maintenance tasks. As time goes by, the bolts of the wind turbine towers loosen, and just as when they are built, they have to be adjusted over and over again until the load is uniform once again, which means that here, too, a lot of time and money is lost. The model has yielded good results in a number of simulations that have been carried out over commercial programs, and has therefore been found to be useful. Source: Science Daily1 The analyses have been carried out based on the data published by IEX, PXIL and REC Registry.2 1 USD= Rs. 55.6350 Contact: IT Power India 10th Floor, Building No. 8, Tower C DLF Cyber City, Phase 2, Gurgaon - 122002, India Tel: +91 (124) 430-5500, Fax: +91 (124) 430-5555 Email: info@itpsenergy.com Web: www. itpowergroup.com

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