July 20 (Reuters) - Alterra Power Corp AXY.TO
* Alterra Power agrees to acquire 20 MW solar portfolio
* Both projects are contracted under long-term, investment-grade power purchase agreements
* Reached deal with Inovateus Solar Llc to buy 80 pct ownership interest in two-project 20 mw(dc) portfolio of solar farms Source text for Eikon: ID:nCNWVQbMSa Further company coverage: AXY.TO