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http://energyinformative.org/best-solar-panel-monocrystalline-polycrystalline-thin-film/ Advantages Monocrystalline solar panels have the highest efficiency rates since they are made out of the highest-grade silicon . The efficiency rates of monocrystalline solar panels are typically 15-20%. SunPower produces the highest efficiency solar panels on the U.S. market today. Their E20 series provide panel conversion efficiencies of up to 20.1%. [3] Update (April, 2013):  SunPower has now released the X-series at a record-breaking efficiency of 21.5%.  [7] Monocrystalline silicon solar panels are space-efficient.  Since these solar panels yield the highest power outputs, they also require the least amount of space compared to any other types. Monocrystalline solar panels produce up to four times the amount of electricity as thin-film solar panels. Monocrystalline solar panels live the longest.  Most solar panel manufacturers put a 25-year warranty on their monocrystalline solar panel

India's solar energy is on a growth path . Whether you plan to enter the sector or set up your own rooftop unit , it would be good to have an understanding of the top solar players . Among them Tata Solar , Vikram Solar & Emmvee Group stand out . Tata Solar has a turnover of approximately Rs 510 crores . For more details look on below , a good compilation by Richa Chakravarti of elctronics2b http://electronicsb2b.efytimes.com/top-15-solar-players-india/

There are essentially 3 types of Solar Cell Companies .The tier 1 comprising top 2% do core R&d and are integrated end-to-end.The experience is more than 10 years. The second line about 8% do not indulge in R&d but use partial robotics etc for manufacturing. They have experience of 2-5 years .The rest 90% are assemblers and use human production lines for manual soldering.The projects however have a good capital output ratio .  Here's a good link to review the top Solar Companies  http://www.forbes.com/sites/uciliawang/2014/12/03/guess-who-are-the-top-10-solar-panel-makers-in-the-world/#2e34708f2812 Solar equipment makers are gearing up to expand production again after many of them had to idle production lines or close factories. So who are the top 10 solar panel makers these days? IHS   released its ranking today that put Trina Solar as the top shipper of solar panels in 2014, followed by Yingli Green  Energy . Both companies are based in China, which has