Waste Management had previously invested in Harvest Power in January last year, a month after a regulatory filing said the portfolio company closed a $10m round.

Harvest Power, a US-based provider of renewable energy and fertilizer products from organic waste formerly known as Bekon Energy North American, has raised $51.7m in its series B round from a consortium including New York-listed garbage disposal company Waste Management.

Waste Management had previously invested in Harvest in January last year, a month after a regulatory filing said the portfolio company closed a $10m round.

Venture capital firm Generation Investment Management led the B round, and was joined by…