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Stellio Heliostat

A software-controlled mirror to reflect solar radiation onto a heat exchanger for power generation

July 2020

Stellio Heliostat

A software-controlled mirror to reflect solar radiation onto a heat exchanger for power generation

  • World Alliance Member
  • Featured Solution
  • Labelled Solution
Label Date July 10, 2020
From Germany
Maturity stage TRL 9 / CRI 2 - Commercial Trial Small Scale

Renewable energy sources must replace fossil fuels. Stellio believes that solar energy is the single most important renewable energy source but there are challenges to overcome such as electricity cost and generation intermittency. Both of these are tackled by Stellio Heliostat, providing low cost dispatchable solar electricity using solar-thermal power tower plants with large integrated thermal energy storage and Stellio Heliostat fields. Stellio's key technical data including an optimized reflective area of 48.5 m², high tracking accuracy (better than 0.6 mrad @ 4 m/s) and high optical quality (sigmaxy below 1.6 mrad). Overall, Stellio Heliostat appropriate size and precise optics at low manufacturing costs result in a significantly improved cost/performance ratio, and thus in lower electricity generation costs.

The Environmental Benefits

  • Reduction of over 90 % of CO2-emissions compared to coal-fired power plant
  • Up to 10 % higher field efficiency thanks to higher optical, tracking accuracy and superior field layout resulting in 10% reduced field area

The Financial Benefits

  • Reduces CAPEX from 10% to 30 % compared to standard T-Type heliostats
  • Reduces OPEX by 30% thanks to a reduced area to be cleaned, low power consumption and easy maintenance

Target client profile

Activity Region

  • Headquarters
  • Activity

Company Profile

sbp sonne gmbh

As consulting engineers for renewable energy, we develop and implement innovative solar technologies.

Headquarters 70197 Stuttgart, Germany
Type Company
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Networking Partner

Horizon Results Platform - European Commission

The Horizon Results Platform is a new European Commission platform helping EU Research & Innovation funding beneficiaries to valorise their results with a view to creating socio-economic impact.

Solutions Associated 20
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The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances. The innovator sbp sonne gmbh has asserted ownership of the intellectual property rights for images, videos, and content showcased above, affirming full and unrestricted usage rights, and has provided explicit permission for the Solar Impulse Foundation to publish such information designated as "public" in the application form.