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Alternative Energy Supplement Design Dec07-04

Alternative Energy Supplement Design Dec07-04. Client: Mary Elizabeth and Colin Chinery Advisors: Professor John W. Lamont and Professor Ralph Patterson III Team Members: Matt Kelly (Team Leader) Daniel Rathe (Communications Coordinator) Aaron Kulow Josh Riley April 16, 2007.

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Alternative Energy Supplement Design Dec07-04

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  1. Alternative Energy Supplement DesignDec07-04 Client: Mary Elizabeth and Colin Chinery Advisors: Professor John W. Lamont and Professor Ralph Patterson III Team Members: Matt Kelly (Team Leader) Daniel Rathe (Communications Coordinator) Aaron Kulow Josh Riley April 16, 2007

  2. Problem Statement • Chinery acreage power outages • Alternative energy systems • Wind • Solar • Storage • Projections • Energy use • Energy production • Future building plans(from Professor Patterson) • Economic analysis of each system • Determine mode of operation for alternative energy system

  3. Problem Statement • Other Cost Savings • Geothermal • Heat pumps • Insulation • House modifications • Unconventional possibilities

  4. Users and Uses • Chinery family and Professor Patterson • Provide electrical power, heat, cost savings, more reliability • Provide economic analysis for possible systems • With the design, Chinery’s will be able to chose the system that best fits their needs

  5. General Solution Approach • Research all alternative energy system possibilities • Gather information of Chinery farm (power use, wind data, solar data) • Use data to size the possible system (production, storage) • Perform economic analysis of each system to test usability

  6. General Solution Approach • Design/research possible modifications or additions to save money and/or power • Research turnkey systems and compare • Research all aid and grants available • Research all regulations, permitting requirements, and codes

  7. Turnkey System

  8. Certified Turnkey System Providers • Abundant Renewable Energy • Bergey Windpower Co. • Entegrity Wind Systems • Energy Maintenance Services • Lorax Energy • Solar Wind Works • Southwest Windpower Co. • Wind Energy Solutions Canada • Wind Turbine Industries Corp.

  9. Modes of Operation Possible modes of operation • Stand alone • Grid connected with no storage • Grid connected with storage • Storage only • No change • Net metering • Recommend the best system based on an economic analysis and energy production

  10. Solar • Iowa Energy Center data • Photovoltaic vs. solar thermal • Roof vs. ground mount • Tracking the sun • Tilt of the panels • Used to supplement energy from wind • Cost of solar energy ~ $0.18/kWh • Performance degradation

  11. Modeling the System • Energy demand • Monthly • Weekly • Energy supply from solar • Solar energy data • Solar panel area • Tracking • Energy supply from wind • Wind energy data • Rotor diameter • Tower height • Wind turbine efficiency

  12. Permitting • City of Ames website • Story County website • American Wind Energy Association (AWEA) • Assisted by contractor

  13. AWEA Model Zoning Ordinance • Tower Height • Set Back • Noise • Approved Wind Turbines • Compliance with Uniform Building Code • Compliance with FAA regulations • Compliance with National Electric Code • Utility Notification http://www.awea.org/smallwind/documents/modelzo.html

  14. Subsidies and Tax Incentives • Ames/Story County special tax assessment of wind energy equipment • State property tax exemption—wind & solar • Iowa Code § 422.45—no state tax on total cost of wind energy system • 20 year, zero interest loan through the Iowa Energy Center • Solar property tax incentive http://www.awea.org/smallwind/iowa.html http://www.energy.iastate.edu/renewable/incentives/

  15. Geothermal • Closed Loop • Horizontal • Vertical • Limited space applications • 150-250 ft. depth • Slinky • Open Loop • Mineral build-up • Waste water uses

  16. Heat Pump & Related Incentives Air Source Heat Pumps Supplemental heating required at low temperatures Midland Coop incentives • Rebates • $350/ton (geothermal) • $150/ton (air-to-air) • Heat rate • $0.0387/kWh October-May • $0.0685/kWh June-September

  17. Additional Energy Savings • Uses for excess wind generation • Pumping water • Electric water heater • 50-gallon Marathon $220 • 85-gallon Marathon $220 • 105-gallon Marathon $275 • Increasing efficiency of house • New windows • Drain heat recovery system • More insulation • Currently no insulation in some areas

  18. Energy Storage Use as a buffer between supply and demand Optimize size of storage based on economic analysis and energy usage compared to energy supply • Batteries • Lead Acid • Gel • Pumped Storage • Old water tower • ~90% efficient

  19. Energy Storage • Flywheel • Long Lifespan • Low maintenance

  20. Economic Analysis • Cost of no alternative energy system • Total costs/savings from alternative energy systems • Excel spreadsheets Questions?

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