SCS Engineers Biogas

Biogas, Anaerobic Digestion, CNG Energy Systems

National Expert: Steve Hamilton

 

SCS Engineers has one of the longest and most successful landfill gas and energy (LFGE) practices in the United States. Our clients attribute our quality to our advanced specialization in waste-gas utilization, combined with our expertise in solid waste management and compliance, all performed by our experienced field personnel.  We use cutting-edge science and technology, and afford our clients the choice of design-build and/or operation, maintenance, and monitoring (OM&M) programs for their plants.

SCS Engineers provides expertise in all aspects of project development, including:

Design & Design-Build

SCS has completed or has underway, the design of 30 biogas-fueled power plants. The power plants are fueled on landfill gas or digester gas and have an aggregated capacity of 72.4 megawatts. They employ reciprocating engines (Caterpillar and Jenbacher), combustion turbines (Solar), microturbines (Capstone and Ingersoll-Rand), or fuel cells (Fuel Cell Energy).  SCS has built 24 of these 30 power plants on a design-construct basis.

Nine of these facilities produce hot water or steam in addition to generating electrical power; the capacity of these plants totals 25.2 megawatts.

Operations, Maintenance & Monitoring

SCS has been responsible for operations and maintenance of 20 power plants with an aggregated capacity of 40 megawatts. We have the in-house capability to undertake all maintenance required by reciprocating engines, including major overhauls. Engines currently in SCS’s operating fleet include engines from Caterpillar, Jenbacher, Deutz, and Cooper Superior.

Facility Re-engineering

SCS has rehabilitated and re-started three closed reciprocating engine plants fueled by landfill gas, and converted one reciprocating engine plant fueled by natural gas to landfill gas co-firing. The aggregated installed capacity of these four power plants is 11.2 megawatts.

Project/Environmental Permits & Utility Interconnect Design

SCS has obtained interconnection approvals for 20 power projects from 10 utilities in seven states, and we have secured air permits for more than two dozen projects in 10 separate air districts.

Feasibility Studies

SCS Engineers has completed more than 50 feasibility studies for potential biogas electric power generation projects. The recommendations of these studies have included:

  • Selection of facility size and technology
  • Development of construction & operation/maintenance cost estimates, including retail deferral
  • Investigation of utility interconnection issues
  • Investigation of permitting issues

Our studies have recommended facilities from less than 1 megawatt to up to 50 megawatts in size, that employ reciprocating engines, combustion turbines, microturbines, and a steam cycle power plant.

Due Diligence for Acquisitions & Financing

SCS Engineers has conducted due diligence investigations on more than 100 existing or proposed LFGE facilities for investors and banks. The investigations were conducted to support development, refinancing, or acquisition. The total investment covered by these investigations exceeds $500 million.

Controls Design: SCADA

SCS provides turnkey supervisory control and data acquisition (SCADA) systems for power plants and other types of energy facilities. Our SCADA systems provide Internet-based facility monitoring and remote control. We have installed SCADA systems in more than 30 biogas plants and in 11 landfill gas flare stations utilizing the latest in SCADA development software.

 

SCS offers the following additional services:

  • Mechanical and Process Engineering
  • Facility Valuation
  • Assistance Negotiating Power/Energy Sale Agreements

Biogas, Conversion/Clean-Up, Anaerobic Digestion

Biogas, Conversion/Clean-Up, Anaerobic Digestion SCS Engineers performs gas-to-energy and waste-to-energy projects, including the design and design-build of biogas facilities. We have completed, or have underway, the design of 30 biogas-fueled power plants.  Seven of these facilities produce hot water or steam in addition to electric power. SCS currently operates ...

Coal Mine Methane

Coal Mine Methane Digester gas and coal mine methane have characteristics similar to landfill gas, and utilizing them presents challenges similar to those presented by landfill gas. SCS Engineers’ vast experience includes natural gas-fired power generation. Our company provides consulting, engineering, construction and operations & maintenance services for renewable energy ...

Cogeneration – Combined Heat & Power (CHP) Systems

Cogeneration – Combined Heat & Power (CHP) Systems SCS Engineers has experience designing co-generation systems, which simultaneously produce electricity and thermal energy using a single fuel source. Our experience includes reciprocating engines, steam or gas turbines, micro-turbines, and fuel cells. Co-generation systems are used in dual-purpose power plants, waste ...

Natural Gas

Natural Gas Natural gas, as it is used by consumers, is altered from the natural gas that is captured from underground up to the wellhead. Natural gas processing consists of separating all of the various hydrocarbons and fluids from the pure natural gas, in order to produce what is ...

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