Borosil’s in­no­va­tion re­duces rates and im­proves vi­a­bil­ity of so­lar power

Chemical Industry Digest - - Renewables -


price per unit of so­lar power is set to lose value, thanks to an in­no­va­tion by Borosil, the well­known glass­maker. The new tech­nol­ogy is in­no­vated by Gu­jarat Borosil Ltd (GBL) and is set up at Bharuch, Gu­jarat. GBL has so far in­vested 200 crore on the fa­cil­ity, pro­moted by Borosil Glass Works Ltd. The in­vest­ment in­cludes the 55 crore on the new plant which has set up a 150-ton per day low iron-pat­terned glass fur­nace for man­u­fac­tur­ing high-transmission glass used in so­lar in­dus­try. “The out­put of so­lar glass, with this ca­pac­ity, is enough to man­u­fac­ture mod­ules to pro­duce 1 GB of so­lar mod­ules an­nu­ally,” said Pradeep Kheruka, Vice-Chair­man, Borosil Glass Works.

The com­pany has suc­cess­fully com­pleted pro­duc­tion tri­als of the fully-tem­pered 2-mm so­lar glass, which is ex­pected to her­ald a quan­tum leap in the mis­sion to in­crease the ef­fi­ciency of so­lar mod­ules. “This would fur­ther lower the cost of power and sig­nif­i­cantly im­prove the vi­a­bil­ity of so­lar power for con­sumers,” Kheruka said.

The 2-mm tem­pered glass is not only lighter than the cur­rent world stan­dard of 3.2 mm, but also ab­sorbs less so­lar en­ergy while al­low­ing higher ir­ra­di­ance to reach the so­lar cell. This will help in har­ness­ing so­lar en­ergy more ef­fi­ciently than be­fore. The Borosil 2-mm tex­tured so­lar glass has the low­est iron con­tent in the world, free of toxic an­ti­mony and ar­senic, and its anti-re­flec­tive coat­ing makes it durable. The prod­uct and the fa­cil­ity have been pro­fes­sion­ally ac­cred­ited glob­ally for com­pli­ance with in­ter­na­tional stan­dards by TUV Rhein­land, Ger­many, SPF Switzer­land and West­pak, USA. The in­no­va­tion can also be used in set­ting up float­able so­lar plants on wa­ter bod­ies, in­clud­ing oceans.

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