Biogas Fuelled Cogeneration Systems
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Transcript of Biogas Fuelled Cogeneration Systems
Biogas FuelledCogeneration Systems
2GE Energy Jenbacher gas engines
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Pre-Construction Phase
GE Energy’s Jenbacher gas engines
A leading manufacturer of gas fuelled reciprocating engines for power generation applications:
• Power range from 0.25 MW to 4 MW,4 platforms / 11 products
• Fuel flexibility: Natural gas or a variety of renewable or alternative gases(e.g., landfill gas, biogas, coal mine gas)
• Plant configurations: Generator sets, cogeneration systems, container solutions
• Installed base: more than 7,000 units / 8,000 MW
• Worldwide more than 800 engines in operation on biogas
• Distributed in Eastern Canada through DDACE Power Systems
Customer’s Responsibility during Pre-Construction Phase
• Provide biogas volume & composition information
• Provide site information:
– Is equipment to be installed in building or a green field site that can accommodate a containerized system
– Can heat be used elsewhere (barn, house, nearby buildings, absorption cooling etc.) or only in the digester
– Is the equipment expected to run during a grid outage
– Is the equipment expected to run when no biogas is available (dual fuel)
Responsibility of the Equipment Supplier During Pre-Construction Phase• Determine optimum engine selection based on
gas data provided
• Determine optimum system configuration:– Heat recovery requirements (steam/hot
water)– Fuel treatment requirements– Dual fuel capabilities– Generator voltage– Grid connection (behind meter or direct)
• Provide equipment pricing and performance data
• Provide service and maintenance pricing
• Provide terms & conditions of sale
Additional Activities to Consider during Pre-Construction Phase
• Financial modeling of the CHP system – Is often required to obtain financing
• Apply for grid connection (Connection Impact Assessment) – Will be required to apply for RESOP contract
– Equipment supplier will provide generator data or can look after CIA application as additional service to be provided
• Review service and maintenance options:– Preventive maintenance (any work to be performed by
customer)– Corrective maintenance (cover unforeseen break-
downs)– Performance guarantees– Availability guarantees– Response time guarantees– Term of service agreement
Questions to ask from Equipment Supplier• Previous experience with biogas applications
• Local experience with biogas and other distributed generation applications
• Commitment to meet local codes & regulations (CSA, ESA, TSSA)
• Where is the nearest service technician located
• Where is the nearest parts warehouse
• What is the guaranteed response time in the event of an unscheduled shut-down
• Additional support in the event the technician cannot resolve the issue at hand
• Ability for remote diagnosis
• Technical Instruction documents– Required for system design
Timeline & Costs during Pre-Construction PhaseCosts:• All the information as described on previous slides will be
provided at no cost to the customer• We absorb costs incurred during the pre-construction phase
as a business development expense
Time Line:• Budget quote: Same Day• Detailed quotation for CHP equipment: 3-5 days• Detailed quotation for fuel treatment and ‘unusual’ balance
of plant equipment: 6-10 days• Financial modelling: 6-10 days