IEA Canada LAY NEW1 Green
IEA Canada LAY NEW1 Green
IEA Canada LAY NEW1 Green
A Case Story
COMPACT AND AUTOMATED
ON-FARM BIOGAS PRODUCTION
IN SOUTHWESTERN ONTARIO, CANADA
benefits, follows:
• Very quick installation and deployment,
installed in under 7 days in winter conditions in
Southwestern Ontario, and started up in a
matter of weeks.
• The entire system is fully automated and can
be easily monitored and managed from a smart
phone.
• Digesting fresh manure results in lower
fugitive emissions and greater methane yields
Table 1. Pro Forma for the Harcolm Farm Demonstration Project
from the digester.
From: The Bloom Centre for Sustainability. Case Study: Demonstrating the Performance of a Small-Scale
Anaerobic Digester Systems at an Ontario Dairy Farm. BLOOM Clean Technology Demonstration Program. • Lower management requirements because
September 2018
the system is not receiving off-farm materials.
Larger AD plant operators can spend many hours “chasing”
PROJECT FINANCING AND THE MICRO FIT organic materials which are competing with other sectors
CONTRACT of the organic recycling industry, such as composting plants
The capital cost to install a digester system has to be affordable and other solid waste management businesses.
and meet farm equipment return on investment (ROI) of 8 to • No land use change concerns as energy crops are not fed to
12%. The AD system installed at Harcolm Farms operates two this system.
combined heat and power (CHP) systems on separate electrical • Similar cost per kW installed when compared with larger
grid connection contracts. The first CHP operates under a net- AD systems because Harcolm Farms received a grant from
metering contract (paying approximately $0.20/kWh) that offsets the BLOOM Clean Technology Demonstration Fund that
the farm’s electrical use costs in the order of $ 12,000 per year (in reduced the project expenses for the farm.
2018 CAN$). The second contract is under the Province’s micro FIT • Fewer peak electricity demand charges from the Local
scheme with the Independent Electricity System Operator. Under Distribution Company to the dairy farm. Typically demand
this contract, surplus electricity is sold back to the provincial grid surcharges occur when a peak demand event above 50 kWe
at a price of $ 0.258/kWh (including 20 percent inflation over 20 occurs once during a monthly billing cycle.
years) which translates into approximately $ 20,000 per year (in • Fewer odour issues associated with manure storage.
2018 CAN$). The micro FIT contract is considered to be bankable • Pathogen reduction in digestate applied to crop land,
and was required for the farm to obtain financing (Table 1). i.e. 2 log reduction.
The system’s revenue could be further improved by, for example: • Improved nitrogen bioavailability (in the digestate) as
• Using more heat from the CHP systems during the summer nitrification of organic nitrogen in the manure takes place
to dry the digestate, hay, cordwood or wood chips, or to in the digester. This reduces the requirement for nitrogen
generate hot water for farm use. fertilizer in the same year as the digestate is applied.
• Installing a small scale district heating network to increase • Annual reduction of on-farm GHG emissions is estimated
the use of the heat (from the CHP) by neighbouring to be 70 t CO2e for each of the 20 years of the life of the
properties. Recuperating more of the heat from the radiator project. This calculation, carried out as part of the BLOOM
and the flue gases would increase the energy efficiency of Clean Technology Demonstration Program, is presented by
the system and also the revenue stream from the sale of source of emissions in Figure 3. The baseline scenario was a
heat energy. typical Ontario dairy farm that purchases electricity from
the grid, uses propane for heat and sand for animal bedding.
KEY BENEFITS
The Biolectric system installed at Harcolm Farms has been
shown to be an affordable, easy to operate and maintain on-farm
system for converting dairy manure from a 75 cow operation into:
electricity and heat for the farm; nutrients that can be reapplied
to the land; animal bedding; and surplus electricity sold to the
grid. It enabled the valorization of manure and facilitated the
farm to be energy self-sufficient. A non-exhaustive list of the
main advantages of the system, including the socio-economic
IEA BIOENERGY
The IEA Bioenergy Technology Collaboration Programme (www.ieabioenergy.com) is a global government-to-government collaboration on
research in bioenergy, which functions within a framework created by the International Energy Agency (IEA - www.iea.org). As of the 1st January
2016, 23 parties participated in IEA Bioenergy: Australia, Austria, Belgium, Brazil, Canada, Croatia, Denmark, Finland, France, Germany, Ireland,
Italy, Japan, the Republic of Korea, the Netherlands, New Zealand, Norway, South Africa, Sweden, Switzerland, the United Kingdom, the USA, and
the European Commission.
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market deployment of environmentally sound, socially acceptable, and cost-competitive bioenergy systems and technologies, and to advise
policy and industrial decision makers accordingly. The Agreement provides platforms for international collaboration and information exchange
in bioenergy research, technology development, demonstration, and policy analysis with a focus on overcoming the environmental, institutional,
technological, social, and market barriers to the near- and long-term deployment of bioenergy technologies.
IEA Bioenergy, also known as the Technology Collaboration Programme (TCP) for a Programme of Research, Development and Demonstration on
Bioenergy, functions within a Framework created by the International Energy Agency (IEA). Views, findings and publications of IEA Bioenergy do not
necessarily represent the views or policies of the IEA Secretariat or of its individual Member countries.