Ultra-High Power Density Roadway Piezoelectric Energy Harvesting System
Concept Design of Piezoelectric Road Generators:
Demonstrate the ultra-high capacity of electric power generation in the laboratory and in the field Study the feasibility to implement a large-scale demonstration on highways and streets with piezoelectric under-pavement.
Estimation of Power, Cost and Lifetime 
- Electrical power density of 333 W/Sq ft
- Cost estimate $9,010/kW
- Lifetime up to 20 years
- 600 vehicles/hour passing each lane
- The average weight (vehicle plus load) of a five-axle vehicle is 33,000lbs. The average force in the vertical direction on each tire is 3,300lbs (=14,890 N)
- Speed of a vehicle is 60 mph =26.8 m/s=88/feet/s
- The power is estimated-based on the road deformation ≤ 2 mm.
Contractor: Jian-Qiao Sun, UC Merced
Co-PI: Atousa Yazdani, CSU Sacramento
Project Manager: Prab Sethi
Co-PI: Tian-Bing Xu, NIA
 Hill, Davion, Nellie Tong, (DNV KEMA). 2013. Assessment of Piezoelectric Materials for Roadway Energy Harvesting. California Energy Commission. Publication Number: CEC‐500‐2013‐007. http://www.energy.ca.gov/2013publications/CEC-500-2013-007/CEC-500-2013-007.pdf