simonkr/E+ via Getty Images On our last coverage of Brookfield Renewable Partners L.P. (NYSE:BEP), (NYSE:BEPC) we gave it another buy rating while noting that the returns were unlikely to be spectacular. The very high funds from operations (FFO) payout ratio as well as the lack of space on the cash available for distribution (CAFD) required a cautionary stance. Valuation was also so-so. Even that CAFD payout ratio was boosted by some asset sales. If we assume that CAFD is the true measure of the owner's ear ...