Feb 4 (Reuters) - Principal Solar Inc PSWW.PK :
* Says to build largest solar project east of the rockies
* Says project scheduled to be operational by early 2016
* Says Duke Energy to purchase power via a 15-year power purchase agreement
* Says total capital to be invested in the project will be $173 million
* The project, located in hope mills, nc, will have a capacity of 78.5 mw ac
* Says Duke Energy progress, inc. has signed a 15-year power purchase agreement
to buy energy from the project
* Source text for Eikon ID:nBw4xh6Xpa
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