1. Know how. Know now.
Sustainable Energy Options for
Rural Nebraska
William Kranz
Assoc. Prof. Biological Systems Engineering
Haskell Ag Laboratory, Concord, NE
wkranz1@unl.edu
Investigators
John Hay, Jerry Hudgins, Loren Isom,
Deepak Keshwani, David Shelton

2. Project Objectives
Document the long term performance characteristics
of small wind turbines and solar cells.

3. Wind Energy Potential

5. 20-Year Average Daily Wind
Cumulative Fraction ≤, decimel
Speed Distribution @ 17.8 m
Mean = 5.96 m/s
Average Daily Wind Speed, m/s

6. Typical Wind Direction

7. Wind Energy Potential

8. Eoltec Scirocco - 6kW
With tilt down guywire lattice tower
• Cut-in wind speed 2.7 m/s
• Survival wind speed 60 m/s
• Mechanical pitch control
• 245 maximum RPM

9. Wind Energy Production by Wind Speed
Eoltec Scirocco
Rated Power @ 12 m/s

10. Evance Iskra R9000- 5kW
With tilt down monopole tower
• Cut-in wind speed 3 m/s
• Survival wind speed 60 m/s
• Mechanical pitch control
• 200 nominal RPM

11. Wind Energy Production by Wind Speed
Evance Iskra R9000
Rated power @ 12.9 m/s

12. Data Collection
• Document installation process w/ video
• Power produced vs. wind speed
• Noise production
• Maintenance costs
• Vibration in turbine and tower
• Power quality indicators
• Net metering issues

13. Solar Energy Potential

14. Solar Panels from Different
Manufacturers
Sanyo Trina
Sharp
Samsung

15. Data Collection
• Document installation process w/ video
• Power produced vs. incoming radiation
• Maintenance costs
• Power factor
• Power quality indicators
• Net metering issues

16. Project Objectives
Develop a web-based system to store and disseminate energy
generation information and provide learning opportunities for
state and regional audiences.
Lincoln Electric System
http://enlighten.enphaseenergy.com/public/systems/qJJ62511

17. Project Objectives
Document the operating efficiency, and fuel consumption
of engine powered irrigation pump

18. Know how. Know now.
UNL’s Sustainable Energy Testing Facility
Haskell Agricultural Laboratory, Concord, NE
Energy Production Testing Energy Storage Testing
In-house
Solar electric
Cell requirement
Wind Arrays s
Turbines
Controller/Interface/
Data Collection
Irrigation
Pump
Ethanol-Fueled Smart
Engine Meter
Electri
c Grid
This Project Future Projects

19. Know how. Know now.
Extension is a Division of the Institute of Agriculture
and Natural Resources at the University of Nebraska–
Lincoln cooperating with the Counties and the United
States Department of Agriculture.
University of Nebraska–Lincoln Extension educational
programs abide with the nondiscrimination policies of
the University of Nebraska–Lincoln and the United
States Department of Agriculture.