Community Anaerobic Digestion: Challenges and Opportunities MassRecycle 2012 Recycling & Organics Conference

Wayne Davis Vice President

Harvest Power, Inc.

March 27, 2012

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AD – Can History Repeat Itself?

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1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008

Tons (MM)

Year

Organic Wastes Composted Over Time

Waste Business Journal: Waste Market Overview & Outlook 2009

1990: State yard waste landfill bans begin to take effect, USCC formed

1991: Ocean dumping of biosolids completely prohibited

• Builder, owner, and operator of organics recycling facilities

3 AD facilities in active development

Operate one of largest compost sites in North America (250,000 MT/year)

Major compost marketer through Harvest GardenPro

• Recognized industry-leading experience

• Investors include Kleiner Perkins Caulfield & Byers, Generation IM, Munich Venture Partners, and Waste Management Inc

• 250+ employees

• Expanding technology portfolio supported by industry-leading science and technology advisors

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Harvest, a Massachusetts-based company, is ushering in a new era of organic waste management by harvesting the renewable energy and soil-building potential in organic waste at its state-of-the-art organics recycling facilities.

Corporate Profile

About Harvest

The Harvest Organics Operating System™

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Batch High Solids Continuous High Solids Low Solids

Solids Content 25-50% 18-40% 5-15%

Possible Feedstocks

• Food scraps (50-60%)

• Yard trimmings (40-50%)

• Food scraps • FOG • Dewatered biosolids • MRF residuals

• Food scraps • FOG • Waste water sludges • Manure

Possible End Products

Compost • Liquid fertilizer*

• Compost or dry fertilizer

• Liquid fertilizer*

• Compost or dry fertilizer

Contamination Tolerance

High Medium Lower

Quantity of Liquid Effluent

Minimal Medium High

AD Technology Choices

Technology choice is driven by the markets for feedstocks and end products.

* No market for liquid fertilizer in Connecticut.

High Solids Facilities

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Fraser Richmond Soil & Fibre, Richmond, BC

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Fraser Richmond Soil & Fibre, Richmond, BC

High Solids Facilities

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Cottbus R&D Facility

Harvest Power, London, OT

Low Solids Facilities

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Cottbus R&D Facility

• Many around the world • Multiple providers and layouts

Low Solids Facilities

The Siting Challenge

YES – People do!

What People Worry About

• Odor

• Vectors

• Trucking

• Toxic air emissions

• General aversion to “waste” facilities

• Developers and big companies, especially from “outside”

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Community perceptions, whether scientifically grounded or not, must be recognized

Principles for Addressing Siting Challenges

• Choose sites wisely

• Reach out, early and often o Solicit community input and be genuinely responsive

o Determine and deliver real, meaningful community benefits

o Cultivate consensus

• Educate, educate, educate o Collaborate with independent 3rd parties

o Role for Mass DEP and Clean Energy Center

o Reference facilities and visits

• Focus on the 3 R’s o Recycling

o Energy Recovery

o Replenishing soil

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Successful development of AD infrastructure will require collaboration of the State, local municipalities, interest group advocates, and developers

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There’s a better path for organics — help us get there.

Wayne Davis, VP - Government Affairs Harvest Power, Inc. 221 Crescent Street, Suite 402 Waltham, MA 02453 781-314-9504 wdavis@harvestpower.com