Milestone

  1. Inception

    1990-94

    • Mr. S. L. Agarwal, Founder and Managing Director, commenced Websol Energy System Limited.

    • First organization in India to begin manufacturing of conventional solar cells with 1MW manufacturing capacity.

    • 4’’ diameter waters used and reclaimed from semiconductor industry Module which was 40 Wp.

  2. Early Growth

    1995-97

    • Enhanced production to 6’’ wafers and modules up to 95 Wp.

    • Achieved quality certification from ISPRA IEC 61215 standards.

  3. Capacity Expansion

    2000-01

    • Expanded production to 8’’ wafers.

    • Module output increased to 125 Wp for type W1000.

    • Production capacity increased to 3 MW.

  4. International Recognition

    2002-04

    • Secured international certification for W1000 as per IEC 61215 standards.

    • Received UL 1703 listing for W900 type modules.

    • Secured UL1703 listing for W1000 type modules.

    • Enhanced capacity from 3MW to 5MW and began producing 160/190Wp modules.

  5. Scaling Up

    2005-06

    • Increased capacity from 5MW to 10MW.

    • Commenced commercial production of W1600 and W2000R type modules.

    • Achieved TUV safety class II certification for W2000 and W1600 type modules.

    • Industrial site in SEZ Falta, West Bengal was finalized.

  6. Continued Growth

    2006-07

    • Expanded total installed capacity to 20 MW.

    • Launched three new products, including W2000R type module.

  7. Technological Advancement

    2007-08

    • Achieved international certifications, IEC 61215 and IEC 61730, for 180/220Wp modules.

    • UL and CSA listing were obtained for 180/220Wp modules.

    • Enhanced cell efficiency by more than 16.5%.

  8. Major Capacity Increase

    2009-10

    • Established a state-of-the-art production facility in Falta Special Economic Zone, West Bengal.

    • Upgraded wafer size from 125x125 mm to 156x156 mm, increasing module power output to 290W.

    • Enhanced total installed capacity to 60 MW.

  9. Improved Capacity

    2011-12

    • Enhanced total installed capacity to 120 MW.

  10. Strategic Partnerships and Process Optimization

    2012-15

    • Formed a two-year tie-up with Renesola (China) for cell and module production.

    • Began processing quasi-mono wafers.

    • Installed a new texturizing line to produce cost-effective multi-crystalline solar cells.

    • Enhanced installed capacity to 180 MW.

  11. Efficiency Enhancements

    2015-17

    • Installed new process machines in the cell line to optimize efficiency, reaching an average efficiency of 18.30%.

    • Began trials for 4BB cells.

    • Installed a new high-productivity printing line along with PECVD, Diffusion, and Inox machines.

    • Further enhanced capacity to 240 MW.

  12. Advanced Production

    2017-18

    • Commenced 5BB cell production with an advanced cell printing line.

    • Transformed the existing module line into a fully automated, high-tech 250 MW module line.

    • Installed solar power facility of 120KW, leading to the production of 1,00,000 units, (reducing CO2 emissions by roughly 97,659 kg yearly) connected to a grid in April 2017.

  13. Optimized Efficiency

    2018-19

    • Achieved the highest cell and module efficiency by fortifying capacity, tuned machines and processes.

    • Reduced process chemicals and advanced materials use like paste and screens, enhancing both productivity and quality substantially.

  14. Cost Reduction

    2019-20

    • Reduced solar cell manufacturing cost by 8% due to lower raw material costs, process improvements, productivity optimization, and shop-floor energy saving.

  15. Technological Upgradation

    2020-21

    • Increased wafer size from 157x157mm to 158.75x158.75mm multi-crystalline, enhancing 7 watts in 72-cell module.

    • Achieved front Ag paste saving with increased printing throughput, leading to enhanced cost-effectiveness by 10%.

    • Reached the highest cell line production capacity.

  16. Capacity Planning

    2021-23

    • Adopted advanced Mono PERC technology to stay in line with global standards to produce cells in 182 mm and 210 mm square format.

    • Upgraded solar PV modules to 540 Wp and 660 Wp.

  17. Leading Solar Cell and Module Manufacturer

    2023-24

    • Marked the commercial start of the new 600 MW Mono PERC cell line with the ability to produce cells with 23%+ efficiency.

    • Continue to uphold ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 certifications.

    • Preparing to expand solar cell capacity to 2.4 GW and maintain module capacity at 550 MW in two years.