Cordwood Energy Systems For Community Heating In Alaska

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Cordwood Energy Systems for Community Heating in Alaska

Author : David L. Nicholls
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Cordwood Energy Systems for Community Heating in Alaska by : David L. Nicholls

Download or read book Cordwood Energy Systems for Community Heating in Alaska written by David L. Nicholls and published by . This book was released on 2009 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wood has become an important energy alternative in Alaska, particularly in rural areas where liquid fuel costs can be substantial. In some cases, wood fuel is readily available to communities, increasing the attractiveness of wood energy. Wood energy systems in rural Alaska can also lead to employment gains as well as benefits to local cash economies. Many Alaska villages are now considering wood as a fuel source for community heating, several have completed feasibility studies, and others are moving forward with design and construction activities. Cordwood is readily available in many regions of Alaska, although not always in commercial quantities. However, for many small-scale applications, efficient cordwood systems could be a viable energy option. In this paper, we provide a qualitative review of factors such as wood fuel availability, cordwood system size, wood fuel cost, wood quality, labor, fuel drying, and underground piping. Other general observations are noted, based on case studies of operating cordwood systems in Alaska.

Cordwood energy systems for community heating in Alaska

Author : David L. Nicholls
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (638 download)

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Book Synopsis Cordwood energy systems for community heating in Alaska by : David L. Nicholls

Download or read book Cordwood energy systems for community heating in Alaska written by David L. Nicholls and published by . This book was released on 2009 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wood has become an important energy alternative in Alaska, particularly in rural areas where liquid fuel costs can be substantial. In some cases, wood fuel is readily available to communities, increasing the attractiveness of wood energy. Wood energy systems in rural Alaska can also lead to employment gains as well as benefits to local cash economies. Many Alaska villages are now considering wood as a fuel source for community heating, several have completed feasibility studies, and others are moving forward with design and construction activities. Cordwood is readily available in many regions of Alaska, although not always in commercial quantities. However, for many small-scale applications, efficient cordwood systems could be a viable energy option. In this paper, we provide a qualitative review of factors such as wood fuel availability, cordwood system size, wood fuel cost, wood quality, labor, fuel drying, and underground piping. Other general observations are noted, based on case studies of operating cordwood systems in Alaska.

Economic and Environmental Benefits of Community-scale Cordwood Hydronic Heaters in Alaska -- Three Case Studies

Author : Allen M. Brackley
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (936 download)

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Book Synopsis Economic and Environmental Benefits of Community-scale Cordwood Hydronic Heaters in Alaska -- Three Case Studies by : Allen M. Brackley

Download or read book Economic and Environmental Benefits of Community-scale Cordwood Hydronic Heaters in Alaska -- Three Case Studies written by Allen M. Brackley and published by . This book was released on 2015 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past decade, the use of wood for thermal energy in Alaska has grown significantly. Since 2000, nearly 30 new thermal wood-energy installations in Alaska have been established. Cordwood units, burning primarily firewood and other forms of roundwood, have played an integral part in this success and are well suited to many rural communities in Alaska. In this case study, we evaluate cordwood installations located in three geographic regions of Alaska. Included are systems at Coffman Cove (southeast Alaska), Ionia (Kenai Peninsula, Alaska), and Gulkana (south-central Alaska). We considered the wood-energy conversion process, system operation, economics, and carbon benefits of the three cordwood systems. We found that the simple payback period ranged from 1.1 to 14.2 years and the internal rate of return from 8 to 91 percent, and that benefits exceeded costs by a factor of from 1.6 to 17. There were also substantial carbon benefits for cordwood systems. Carbon dioxide (CO2) emissions (relative to those from heating oil) differed by installation from 129 to 259 tons avoided per year, with total reductions of 611 tons of CO2 per year. We also considered secondary benefits of community-scale cordwood energy systems in rural Alaska, including greenhouses for local foods, the ability to create part-time jobs for local residents, and the educational experiences for school students.

Wood Energy for Residential Heating in Alaska: Current Conditions, Attitudes, Expected Use

Author :
Publisher : DIANE Publishing
ISBN 13 : 1437940293
Total Pages : 36 pages
Book Rating : 4.4/5 (379 download)

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Book Synopsis Wood Energy for Residential Heating in Alaska: Current Conditions, Attitudes, Expected Use by :

Download or read book Wood Energy for Residential Heating in Alaska: Current Conditions, Attitudes, Expected Use written by and published by DIANE Publishing. This book was released on with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Port Graham Community Building Biomass Heating Design Project

Author :
Publisher :
ISBN 13 :
Total Pages : 529 pages
Book Rating : 4.:/5 (925 download)

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Book Synopsis Port Graham Community Building Biomass Heating Design Project by :

Download or read book Port Graham Community Building Biomass Heating Design Project written by and published by . This book was released on 2015 with total page 529 pages. Available in PDF, EPUB and Kindle. Book excerpt: Native Village of Port Graham completed preconstruction activities to prepare for construction and operations of a cord wood biomass heating system to five or more community buildings in Port Graham, Alaska. Project Description Native Village of Port Graham (NVPG) completed preconstruction activities that pave the way towards reduced local energy costs through the construction and operations of a cord wood biomass heating system. NVPG plans include installation of a GARN WHS 3200 Boiler that uses cord wood as fuel source. Implementation of the 700,000 Btu per hour output biomass community building heat utility would heat 5-community buildings in Port Graham, Alaska. Heating system is estimated to displace 85% of the heating fuel oil or 5365 gallons of fuel on an annual basis with an estimated peak output of 600,000 Btu per hour. Estimated savings is $15,112.00 per year. The construction cost estimate made to install the new biomass boiler system is estimated $251,693.47 with an additional Boiler Building expansion cost estimated at $97,828.40. Total installed cost is estimated $349,521.87. The WHS 3200 Boiler would be placed inside a new structure at the old community Water Plant Building site that is controlled by NVPG. Design of the new biomass heat plant and hot water loop system was completed by Richmond Engineering, NVPG contractor for the project. A hot water heat loop system running off the boiler is designed to be placed underground on lands controlled by NVPG and stubbed to feed hot water to existing base board heating system in the following community buildings: 1. Anesia Anahonak Moonin Health and Dental Clinic 2. Native Village of Port Graham offices 3. Port Graham Public Safety Building/Fire Department 4. Port Graham Corporation Office Building which also houses the Port Graham Museum and Head Start Center 5. North Pacific Rim Housing Authority Workshop/Old Fire Hall Existing community buildings fuel oil heating systems are to be retro-fitted to accommodate hot water from the proposed wood-burning GARN Boiler, once installed, and rely on the existing fuel oil-fired hot water heating equipment for backup. The boiler would use an estimated 125 bone dry tons, equivalent to 100 cords, woody biomass feedstock obtained from local lands per year. Project would use local labor as described in the Port Graham Biomass Project, report completed by Chena Power, Inc. and Winters and Associates as part of the in-kind support to the U.S. Department of Energy (DOE) project for work on a project for State of Alaska's Alaska Energy Authority (AEA). NVPG will likely initiate operations of the biomass boiler system even though several operational variations were studied. Obtaining the fuel source could be done by contractors, PGVC employees, or NVPG employees. Feeding the system would likely be done by NVPG employees. A majority of the buildings heated would be owned by NVPG. The PGVC office would be heated as well as the Old Fire Hall used as a workshop and storage area for North Pacific Rim Housing Authority. One methodology studied to charge for cost of utilizing the community building biomass system would use a percentage of use of hot water generated by the biomass hot water system based on past heating oil usage in relation to all buildings heated by biomass hot water. The method is better described in the Port Graham Biomass Project report. Fuel source agreements have been drafted to enter into agreements with area landowners. One Native allotment owner has asked Chugachmiut Forestry to begin a timber sale process to sell timber off her lands, specifically wind thrown timber that was determined to be of sufficient quantity to supply to the proposed biomass heating system for approximately 5-years. On NVPG's behalf, Chugachmiut has presented to PGVC three different documents, attached, that could lead to a sale of woody biomass fuel for the project for up to 25-years, the expected life of the project. PGVC has signed a lett ...

Wood Energy in Alaska

Author : David L. Nicholls
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Wood Energy in Alaska by : David L. Nicholls

Download or read book Wood Energy in Alaska written by David L. Nicholls and published by . This book was released on 2009 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biomass resources in Alaska are extensive and diverse, comprising millions of acres of standing small-diameter trees, diseased or dead trees, and trees having lowgrade timber. Limited amounts of logging and mill residues, urban wood residues, and waste products are also available. Recent wildfires in interior Alaska have left substantial volumes of burned timber, potentially usable for biomass energy. Motivated, in part, by rising fuel prices, organizations across the state -- including businesses, schools, and government agencies -- have all expressed an interest in wood energy applications. Numerous sites have pursued feasibility studies or engineering design analysis, and others have moved forward with project construction. Recent advances in biomass utilization in Alaska have been enabled by numerous factors, and involve various fuel sources, scales of operation, and end products. Already, thermal wood energy systems are using sawmill residues to heat lumber dry kilns, and a public school heating system is in operation. Management policies on national forests and state forests in Alaska could determine the type and amounts of available biomass from managed forests, from wildland-urban interface regions, and from salvage timber operations. Biomass products in Alaska having potential for development are as diverse as wood pellets, cordwood (firewood), compost, wood-plastic composite products, and liquid fuels. In addition, new technologies are allowing for more efficient use of biomass resources for heating and electrical generation at scales appropriate for community power. This case study review considers successes and lessons learned from current wood energy systems in Alaska, and also considers opportunities for future bioenergy development.

Developing Estimates of Potential Demand for Renewable Wood Energy Products in Alaska

Author : Allen M. Brackley
Publisher : DIANE Publishing
ISBN 13 : 1437940005
Total Pages : 38 pages
Book Rating : 4.4/5 (379 download)

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Book Synopsis Developing Estimates of Potential Demand for Renewable Wood Energy Products in Alaska by : Allen M. Brackley

Download or read book Developing Estimates of Potential Demand for Renewable Wood Energy Products in Alaska written by Allen M. Brackley and published by DIANE Publishing. This book was released on 2011-04 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report is concerned with the existing volumes of renewable wood energy products (RWEP) currently used in Alaska and the potential demand for RWEP for residential and community heating projects in the state. By using peak prices from the fall of 2008, the potential value of a British thermal unit (Btu) from various fuels has been calculated to identify those situations where wood-based fuels are economically competitive or advantageous when compared with alternative fuel sources. If fuel oil prices increase to the levels experienced in 2008, there would be a strong economic incentive to convert heating systems to use solid wood fuels. Charts and tables. This is a print on demand edition of an important, hard-to-find report.

Wood Energy for Residential Heating in Alaska

Author : David L. Nicholls
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (21 download)

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Book Synopsis Wood Energy for Residential Heating in Alaska by : David L. Nicholls

Download or read book Wood Energy for Residential Heating in Alaska written by David L. Nicholls and published by . This book was released on 2010 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study considered three aspects of residential wood energy use in Alaska: current conditions and fuel consumption, knowledge and attitudes, and future use and conditions. We found that heating oil was the primary fuel for home heating in southeast and interior Alaska, whereas natural gas was used most often in south-central Alaska (Anchorage). Firewood heating played a much more important role as a secondary (vs. primary) heating source in all regions of Alaska. In interior Alaska, there was a somewhat greater interest in the use of wood energy compared to other regions. Likewise, consumption of fossil fuels was considerably greater in interior Alaska. Cost was a primary factor influencing motivation to convert to wood energy. Most respondents were at least somewhat familiar with residential wood-burning systems, however relatively few were familiar with Environmental Protection Agency certified woodstoves. Firewood/cordwood was by far the preferred wood fuel choice, whereas wood briquettes were least preferred. Similarly, firewood was the type of wood fuel that respondents were most familiar with. Variations were observed between Alaska's primary regions (southeast, south-central, and interior). This could be attributed to a number of factors including colder climates in interior Alaska, and overall low use of wood energy in south-central Alaska because of preferences for natural gas. Fuel oil prices of $4.00 to $5.00 per gallon would be needed for most homeowners to convert to wood heating. There was a broad range of willingness to pay for new wood energy systems (from about $1,000 to $3,000). However, this survey was not random and results may not be representative of the populations at each sampling location.

Wood Energy in Alaska-Case Study Evaluations of Selected Facilities

Author : United States Department of Agriculture
Publisher : CreateSpace
ISBN 13 : 9781506119403
Total Pages : 38 pages
Book Rating : 4.1/5 (194 download)

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Book Synopsis Wood Energy in Alaska-Case Study Evaluations of Selected Facilities by : United States Department of Agriculture

Download or read book Wood Energy in Alaska-Case Study Evaluations of Selected Facilities written by United States Department of Agriculture and published by CreateSpace. This book was released on 2015-02-14 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biomass resources in Alaska are extensive and diverse, comprising millions of acres of standing small-diameter trees, diseased or dead trees, and trees having lowgrade timber. Limited amounts of logging and mill residues, urban wood residues, and waste products are also available. Recent wildfires in interior Alaska have left substantial volumes of burned timber, potentially usable for biomass energy. Motivated, in part, by rising fuel prices, organizations across the state-including businesses, schools, and government agencies-have all expressed an interest in wood energy applications. Numerous sites have pursued feasibility studies or engineering design analysis, and others have moved forward with project construction. Recent advances in biomass utilization in Alaska have been enabled by numerous factors, and involve various fuel sources, scales of operation, and end products. Already, thermal wood energy systems are using sawmill residues to heat lumber dry kilns, and a public school heating system is in operation. Management policies on national forests and state forests in Alaska could determine the type and amounts of available biomass from managed forests, from wildland-urban interface regions, and from salvage timber operations. Biomass products in Alaska having potential for development are as diverse as wood pellets, cordwood (firewood), compost, wood-plastic composite products, and liquid fuels. In addition, new technologies are allowing for more efficient use of biomass resources for heating and electrical generation at scales appropriate for community power. This case study review considers successes and lessons learned from current wood energy systems in Alaska, and also considers opportunities for future bioenergy development.

Wood Energy for Residential Heating in Alaska

Author : Nicholls
Publisher : CreateSpace
ISBN 13 : 9781505915037
Total Pages : 34 pages
Book Rating : 4.9/5 (15 download)

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Book Synopsis Wood Energy for Residential Heating in Alaska by : Nicholls

Download or read book Wood Energy for Residential Heating in Alaska written by Nicholls and published by CreateSpace. This book was released on 2015-02-14 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study considered three aspects of residential wood energy use in Alaska: current conditions and fuel consumption, knowledge and attitudes, and future use and conditions. We found that heating oil was the primary fuel for home heating in southeast and interior Alaska, whereas natural gas was used most often in south-central Alaska (Anchorage). Firewood heating played a much more important role as a secondary (vs. primary) heating source in all regions of Alaska. In interior Alaska, there was a somewhat greater interest in the use of wood energy compared to other regions. Likewise, consumption of fossil fuels was considerably greater in interior Alaska. Cost was a primary factor influencing motivation to convert to wood energy. Most respondents were at least somewhat familiar with residential wood-burning systems, however relatively few were familiar with Environmental Protection Agency certified woodstoves. Firewood/cordwood was by far the preferred wood fuel choice, whereas wood briquettes were least preferred. Similarly, firewood was the type of wood fuel that respondents were most familiar with. Variations were observed between Alaska's primary regions (southeast, south-central, and interior).

Science Update

Author :
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Science Update by :

Download or read book Science Update written by and published by . This book was released on 2002 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Engineered Wood Fuels for Southeast Alaska

Author : David L. Nicholls
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (11 download)

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Book Synopsis Engineered Wood Fuels for Southeast Alaska by : David L. Nicholls

Download or read book Engineered Wood Fuels for Southeast Alaska written by David L. Nicholls and published by . This book was released on 2019 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Community Systems Program

Author : United States. Department of Energy. Division of Buildings and Community Systems
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Community Systems Program by : United States. Department of Energy. Division of Buildings and Community Systems

Download or read book Community Systems Program written by United States. Department of Energy. Division of Buildings and Community Systems and published by . This book was released on 1979 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:

General Technical Report PNW-GTR

Author :
Publisher :
ISBN 13 :
Total Pages : 508 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis General Technical Report PNW-GTR by :

Download or read book General Technical Report PNW-GTR written by and published by . This book was released on 1987 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Feasibility of Using Wood Wastes to Meet Local Heating Requirements of Communities in the Kenai Peninsula in Alaska

Author : David L. Nicholls
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Feasibility of Using Wood Wastes to Meet Local Heating Requirements of Communities in the Kenai Peninsula in Alaska by : David L. Nicholls

Download or read book Feasibility of Using Wood Wastes to Meet Local Heating Requirements of Communities in the Kenai Peninsula in Alaska written by David L. Nicholls and published by . This book was released on 2002 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Research Paper PNW.

Author :
Publisher :
ISBN 13 :
Total Pages : 420 pages
Book Rating : 4.:/5 (1 download)

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Book Synopsis Research Paper PNW. by :

Download or read book Research Paper PNW. written by and published by . This book was released on 1978 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Climate Impacts on Energy Systems

Author : Jane O. Ebinger
Publisher : World Bank Publications
ISBN 13 : 0821386980
Total Pages : 224 pages
Book Rating : 4.8/5 (213 download)

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Book Synopsis Climate Impacts on Energy Systems by : Jane O. Ebinger

Download or read book Climate Impacts on Energy Systems written by Jane O. Ebinger and published by World Bank Publications. This book was released on 2011 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: "While the energy sector is a primary target of efforts to arrest and reverse the growth of greenhouse gas emissions and lower the carbon footprint of development, it is also expected to be increasingly affected by unavoidable climate consequences from the damage already induced in the biosphere. Energy services and resources, as well as seasonal demand, will be increasingly affected by changing trends, increasing variability, greater extremes and large inter-annual variations in climate parameters in some regions. All evidence suggests that adaptation is not an optional add-on but an essential reckoning on par with other business risks. Existing energy infrastructure, new infrastructure and future planning need to consider emerging climate conditions and impacts on design, construction, operation, and maintenance. Integrated risk-based planning processes will be critical to address the climate change impacts and harmonize actions within and across sectors. Also, awareness, knowledge, and capacity impede mainstreaming of climate adaptation into the energy sector. However, the formal knowledge base is still nascent?information needs are complex and to a certain extent regionally and sector specific. This report provides an up-to-date compendium of what is known about weather variability and projected climate trends and their impacts on energy service provision and demand. It discusses emerging practices and tools for managing these impacts and integrating climate considerations into planning processes and operational practices in an environment of uncertainty. It focuses on energy sector adaptation, rather than mitigation which is not discussed in this report. This report draws largely on available scientific and peer-reviewed literature in the public domain and takes the perspective of the developing world to the extent possible."