Organics Workshop- Mixed Organics Streams as Feedstock and Products: Molly Bales from Harvest Power shows how the company converts organic materials into soil products and renewable energy.

1. Organic Feedstocks & Products:
A Developer’s Perspective
Molly Bales
Project Development Manager
Harvest Power, Inc.
March 2013

2. • Lead the industry, managing more than
2 million tons of organic materials,
largest composter of yard waste &
food waste in North America
• Operate 30 processing facilities in
North America with more than 450
employees, >$100mm of revenue
• Commissioning two of North America’s
largest commercial anaerobic
digestion facilities. Third facility
starting up Q4 2013.
2
Harvest is creating a more sustainable future by helping communities meet the
challenges at the intersection of waste, agriculture and energy in the 21st Century.
Company Profile
About Harvest
Copyright © 2012 Harvest Power, Inc.

3. Proprietary & Confidential 3
Organics
Processing
Biogas & Energy
Soils, Mulches
and Fertilizer
Our Business Model & Mission
Harvest generates revenue from all three segments of the
“wheel”, which we expect will create the lowest costs in all three
markets

4. Feedstock & Product Choices for an AD Project
Feedstocks
• Food waste
• Yard waste
• Manure
• Brown grease
• Biosolids…
… Really, anything that was once alive.
Products
• Renewable Energy
• Heat & electricity (CHP)
• Natural gas pipeline injection
• Compressed natural gas (CNG)
• Soil Products
• Compost
• Liquid fertilizer
• Dried, granular fertilizer
• Struvite
Copyright © 2012 Harvest Power, Inc. 4
Technology

5. Factors Concerning Feedstock & Product Choices
Feedstocks
• Disposal fee
• Availability
• Contractability
• Energy content
• % total solids
• Level of contamination
• Nutrient content
Soil Products
• Nutrient content
• NPK
• Micronutrients (Ca, Mg, Cu, etc.)
• Form
• Solid or liquid
• Granule size
• Uniformity
• Other characteristics
• Color
• Density
• Dust (%)
• Organic certification
• Water retention
Copyright © 2012 Harvest Power, Inc. 5
• Porosity/permeability
• Release (quick- or slow-)
• pH levels

6. 6
Harvest Energy Garden – Richmond, BC
Copyright © 2012 Harvest Power, Inc.
Harvest is ramping up our Vancouver Energy Garden that uses high solids anaerobic digestion technology to turn 40,000
tonnes per year of mixed food scraps and yard trimmings into electricity and compost. The site, which serves the Metro
Vancouver region’s 2.3 million residents, represents a model for managing organics in an urban environment.

7. Harvest Energy Garden - London, Ontario
7Copyright © 2012 Harvest Power, Inc.
Harvest is completing construction on an Ontario-based Energy Garden that uses low solids anaerobic digestion
technology to turn 65,000 tonnes per year of mixed food scraps into electricity and fertilizer granules. This will be
the largest commercial anaerobic digester in North America. Opening in Q2 2013.

8. Harvest Energy Garden - Florida
8
Harvest’s Florida Energy Garden will co-digest food wastes from local tourist and resort locations with biosolids
from the adjacent, publicly-owned waste water treatment plant (WWTP) to produce baseload renewable
energy, fertilizer and soil amendments. The facility will process 140,000 tons of organics and produce 5 MW of
combined heat-and-power and 3,200 MT of granular fertilizer each year. Opening Q4 2013.
Copyright © 2012 Harvest Power, Inc.

9. 9
There’s a better path for organics —
help us get there.
Molly Bales
Project Development Manager
781.314.9524 (o) | 252.452.0759 (c)
mbales@harvestpower.com
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