GREEN DORM Energy Technologies

1. GREEN DORMEnergy Technologies Group 6 Bethany Corcoran Andrew Ehrich Eric Stoutenburg Kimberly Walton

2. The Stanford Delivery Process:Where Are We? • Feasibility Phase Completed • Waiting for Board of Trustees Approval to begin Schematic Design • Design options have been proposed, but no decisions have been determined

3. Current State Narrative

4. Future State Narrative

5. Project Manager

6. Goal Model Evolution 2. Insert additional goals to form comprehensive list for energy technologies 1. Extract goals from existing list that relate to energy technologies • - Comparable Student Cost - Innovative Leadership on Campus - Realistic New Technologies - Electricity Quality and Reliability 3. Organize goals to create balanced model • Remove some goals • Add/Combine some goals: - Ease of Operation and Maintenance - Incorporates Ongoing Research - Model for Sustainable Living

7. Goal Model

8. Options • Biogas Digestor • Microturbine • Fuel Cell • Stirling Engine • Photovoltaic Cells • Electric Vehicles • Energy Efficiency: Smart Grid & Smart Building • Geothermal Heat Pump • Solar Water Heater • Greywater Heat Recovery • Radiant Slab Heating • Natural Gas

9. Biogas Digestor • Reactor tank • Produces methane gas from anaerobic digestion • Odor issues? • Ongoing research by Gil Masters and Craig Criddle

10. Microturbine • Combined Heat and Power (CHP) • Save 40 - 50% of energy compared to conventional power plant • Ongoing research by Gil Masters and Craig Criddle

11. Fuel Cell • Combined Heat and Power (CHP) • Save 40 - 50% of energy compared to conventional power plant • Ongoing research by Gil Masters and Craig Criddle

12. Stirling Engine • Combined Heat and Power (CHP) • Capture and use waste heat from small power plants located at the end use • Save 40 - 50% of energy compared to conventional power plant • Ongoing research by Gil Masters and Craig Criddle

13. Photovoltaic Cells • Use sunlight to generate electricity • Renewable resource • Low operation and maintenance involved • Ongoing research by David Sheu

14. Electric Vehicles • Store extra electricity in plug-in hybrid vehicle, use as emergency generator • Electricity equivalent ≈ $1/gallon • By charging during off-peak hours, 70% of light-vehicle miles could run on today’s electricity grid • Ongoing research by Paul Kreiner

15. Energy Efficiency: Smart Grid & Smart Building • Monitor electricity rates • Adjust building electricity usage dynamically • Minimize electricity costs

16. Geothermal Heat Pump • Pumps heat to or from the ground into building • Uses less electricity than typical furnace • Can also be reversed for air conditioning

17. Solar Water Heater • Passive: Integral Collector Storage (ICS) • Potentially no pump, no controller, no sensors, but depends heavily on climate and time-of-use • Ongoing research by Jonas Ketterle

18. Greywater Heat Recovery • Ongoin research by Paul Kreiner • Take heat from used shower water and turn into energy

19. Radiant Slab Heating • Run tubing inside floor to move heat through building • Heat rises up from floor to the air • Feet always warm • Currently used in some Stanford graduate student housing

20. “Plug and Play” Thermal-Energy System

21. Gil's Choice (Everything) Biogas Digester Microturbine Fuel Cell Stirling Engine Photovoltaic Cells Electric Vehicles Energy Efficiency: Smart Grid & Smart Building Geothermal Heat Pump Solar Hot Water Heater Greywater Heat Recovery Radiant Slab Heating Natural Gas Option Packages Solar-Electric Photovoltaic Cells Electric Vehicles Energy Efficiency: Smart Grid & Smart Building Geothermal Heat Pump Solar Hot Water Heater Greywater Heat Recovery Radiant Slab Heating Combined Heat and Power Biogas Digester Microturbine Fuel Cell Stirling Engine Natural Gas Radiant Slab Heating Improved Baseline Green Photovoltaic Cells Energy Efficiency: Smart Grid & Smart Building Geothermal Heat Pump Solar Hot Water Heater Radiant Slab Heating

27. Solar-Electric