Unfortunatly bet not electrovaya batteries ...
http://www.canadiansolar.com/category/pv-energy-storage.html
Same as 4MW in Nov 2014 not electrovaya also
http://investors.canadiansolar.com/phoenix.zhtml?c=196781&p=irol-newsArticle&ID=1987675
Seems again just a government grant funded collaboration with no commercial contract at the end.