🛠️ Invention or technique

Odeillo solar furnace

Horno solar de Odeillo

Date
1970 · confidence high
Place
Font-Romeu-Odeillo-Via, Pyrénées-Orientales, France
Credited to
Félix Trombe and CNRS
Field
Matter & energy

What it is

A field of heliostats reflects light onto a parabolic mirror 54 m high, concentrating 1 MW of power to above 3,500 °C. It is the largest solar furnace in the world.

Trombe built a first furnace at Mont-Louis in 1949; Odeillo was inaugurated in 1970 and is still in operation.

What it led to

  • very-high-temperature materials research
  • solar tower power plants
  • solar hydrogen research
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Sources✓ verified 2026-11-04