Nov 9 (Reuters) - Innergex Renewable Energy Inc INE.TO :
* Says begins commercial operation of the 21.2 mw tretheway creek hydro
facility
* Says tretheway creek's average annual production is estimated to reach 81,000
mwh
* Sees in first year of operation, tretheway creek's generate revenues
,adjusted EBITDA of just under $8.7 million and $7.2 million
* Source text for Eikon ID:nCNWnBdFXa
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