©AGreen Energy, LLC, 2010. All rights reserved. Individual Farm Model – 300 to 500 cows 1. Manure Input: ~4,000 gallons per day 1. Organic Input: ~6,000.

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Presentation transcript:

©AGreen Energy, LLC, All rights reserved. Individual Farm Model – 300 to 500 cows 1. Manure Input: ~4,000 gallons per day 1. Organic Input: ~6,000 gallons per day 2. Digestion Tank Loading Rate: ~10,000 gallons per day, 30 day retention 3. Gas Capture: ~100,000 cubic feet per day, 60% methane. 73 MMBTU/day 5. Heat Exchanged 4. Electricity Generated: ~4,000 kWh/day 3. Solids Produced: ~15 tons per day, 18 cubic yards 3. Liquids Produced: ~6,000 gallons per day

©AGreen Energy, LLC, All rights reserved. Hof Oegens – 185kW, model facility Important Characteristics -Small herd (120 cows from two herds) -Large amount of non-manure substrate -Use of waste heat for ag purposes -Commercial site

©AGreen Energy, LLC, All rights reserved. Hof Oegen - CHP  185kW – containerized, quiet, process controls  Sends hot water to greenhouses as well as electricity to grid Sensor Reports Containerized CHP Output Meter

©AGreen Energy, LLC, All rights reserved. Hof Oegen – Waste Heat Utilization  1,000m3 currently, heat production can support up to 4,000m3  Looking to upgrade to a more efficient heat exchanger DigesterHouse/BarnsGreenhouses Waste Heat Use25%35%40% (10% now) Heat Exchanger Soil Sterilizer

©AGreen Energy, LLC, All rights reserved. Anaerobic Digestion – GHG Reduction and Energy Combustion of Methane: CH 4 + 2O 2  CO 2 + 2H 2 O Transforms methane (Global Warming Potential of 21-25) to carbon dioxide (GWP of 1) Replaces fossil fuel use for electricity generation and local heating 300kW GenSet92.5% Uptime X = 2,430,900kWh per year / 7,620 kWh per household = 319 Renewable Massachusetts Households per AD

©AGreen Energy, LLC, All rights reserved. Impact of Nutrient Regulations/AD Effluent Spreading ,000 tonnes of N per year FertilizerManure Source: Tafdrup, Søren. ”Agricultural biogas in the future Danish energy supply” 2008.

©AGreen Energy, LLC, All rights reserved. How Much? Project Funding – One Farm Grants1,050,000 Other Equity800,000 Loan900,000 Total:$2,750,000 Loan Guarantees1,800,000 Project Spending – One Farm Equipment2,200,000 Fees550,000 Total:$2,750,000 Going from One to Five Farms: Project Challenge First Farm: All Set, Operational in 2010

©AGreen Energy, LLC, All rights reserved. Challenge - Electricity Pricing Denmark Cost ($/kWh) Subscription Payment$.029 Electricity Tax$.094 Distribution Payment$.007 Payment to Conservation Fund $.001 CO2 Tax$.015 VAT$.068 Energy Cost$.126 Total:$.34 Massachusetts/Denmark Compared Cost ($/kWh) Massachusetts$.18 Denmark$.34 Difference:+$.16 Source: Danish Energy Agency, “Energy Statistic 2007”

©AGreen Energy, LLC, All rights reserved. Challenges – Juggling Many Parties FarmsOrganicsEnergyFunding Utilities Attributes Workable net metering or feed-in tariff Sale of excess electricity at close to retail Short turn around for equity Not bundled with energy Cash Market Scrape facilities Use, or willing to switch to organic bedding Truck Access (25 ton loads) 3 phase power service Existing heat demand and waste heat user 350-1,000 cows, or ability to aggregate Existing waste hauler Allowances and incentives for organic waste diversion Market size and current Cost of disposal Fields with slight or no slope Desire to control odor or environmental challenge Proximity Grant Programs Equipment/ Construction Equity and Loans Interconnection requirement Bonds Equity Sources Long term utility contract Co-products Organic fertilizer market Soil amendment market

©AGreen Energy, LLC, All rights reserved.

Thank You Peter Melnik Barway Farm Mill Village Road, South Deerfield, Massachusetts AGreen Energy, LLC 8 Faneuil Hall Marketplace, 3 rd Floor Boston, Massachusetts (and thanks to the EPA AgStar program, the USDA, NRCS, the APR Program, the Massachusetts Department of Environmental Protection, the Massachusetts Department of Environmental Protection, MTC, Western Mass Electric Company, New England Organics, the City of Boston, Quasar Energy Group, Rockville Farm, Barstow’s Longview Farm, Jordan Dairy Farms, Hager Brother’s Farm, National Grid, Mary Greendale, Energy Consumers Alliance of New England, Sebesta Blomberg, First Pioneer Farm Credit, Farm Viability… and the dozens of other organizations and individuals who have helped over the past two years to make this all a reality)