The PowerTree uses High Concentration Photovoltaics (HCPV), whose ultraefficient multijunction PV cells and high accuracy sun-tracking can render up to 3X more energy per unit surface than rooftop silicon solar panels

PowerTree's pedestal integrates a nature-based solution for cleaning the air of the cities that absorbs and filters particles in suspension and various pollutant gases using the selected vegetation panels that surround it.

The PowerTree captures the NOx & SOx released by 630 cars in a year and reduces up to 35% CO emissions around it. It reduces ambient temperature up to 4ºC in an area of 28m2

When the sun sets, PowerTree's collecting surface stows horizontally becoming a street lamp that casts efficient LED lighting around it
The PowerTree can replace some vegetation panels by TFT screens for advertising or public information.
 

Energy Gain with the PowerTree

Rooftop Silicon PV Facing East (kWh/yr) Rooftop Silicon PV Facing South (kWh/yr) PowerTree (kWh/yr) PowerTree vs. Si PV East
PowerTree vs. Si PV South
San Francisco 1,856 2,182 4,486 2.42 2.06
Mexico City 2,223 2,341 4,508 2.03 1.93
Dubai 2,114 2,334 4,061 1.92 1.74
Riyadh 2,165 2,372 4,482 2.07 1.89
Madrid 1,784 2,070 4,383 2.46 2.12
Berlin 1,122 1,313 2,115 1.88 1.61
Limassol 1,995 2,273 4,724 2.37 2.08
Beijing 1,444 1,679 2,490 1.72 1.48
Tokyo 1,463 1,696 2,754 1.88 1.62
Sidney (North ISO South) 1,671 1,920 3,793 2.27 1.98
Santiago de Chile (North ISO South) 1,676 1,976 5,100 3.04 2.58

4/12 pitch rooftop and 15% efficient silicon PV modules are assumed

Technical Specification

Performance

  • Nominal PV power output 2,7 kWp
  • Annual energy production Depends on region & weather. Check table above.
  • Luminous power 300 Lux
  • Max. vegetation surface 6 m2
  • Type of vegetation Native to each region & weather where installed
  • Contaminated air flow 3480 m3/day

Requirements

  • Installation surface 1 m2
  • Weight 1325 kg
  • Average irrigation water 15 litres/m2 day.
  • Max. daily energy consumption 500 Wh/day
  • Vegetation mowing 2-3 times per year

Safety

  • Temperature range -10C to 55C
  • Wind speed before entering into stow position 36 km/h
  • Certifications IEC62108, IEC62817, IEC61670, IEC600068-2-30, IEC600068-2-52, EN60529 ISO9001, ISO14001, ISO45001

Warranty

  • HCPV Module Performance warranty 25 years
  • System warranty 2 years

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