Solar Impulse smashes records on trans-Pacific leg

July 2, 2015
Facebook
Twitter
LinkedIn
Reddit
Email

Solar Impulse 2, the aircraft on a pioneering solar-powered navigation of the globe, has thrown off a recent run of poor luck to break several world records on its leg between Japan and Hawaii.

Bad weather had forced the plane to make an unscheduled stopover in Japan en route from China and then struck again last week as it prepared to take off for its longest single stage over the Pacific Ocean.

This article requires Premium SubscriptionBasic (FREE) Subscription

Try Premium for just $1

  • Full premium access for the first month at only $1
  • Converts to an annual rate after 30 days unless cancelled
  • Cancel anytime during the trial period

Premium Benefits

  • Expert industry analysis and interviews
  • Digital access to PV Tech Power journal
  • Exclusive event discounts

Or get the full Premium subscription right away

Or continue reading this article for free

But after a successful take-off earlier this week, Solar Impulse has now been in flight for over three days and nights, in the process breaking the world record for the longest and furthest solar-powered flight, which previously stood at 80 hours and 5663km.

Pilot André Borschberg has also broken the record for the longest solo flight, and will achieve the longest non-stop solo flight without refuelling in terms of duration. This record was previously held by American adventurer Steve Fossett, who took 76 hours to complete his non-stop circumnavigation of the globe in the 2006 Virgin Atlantic Global Flyer expedition.

In total Solar Impulse is expected to fly for around 120 hours to complete its journey to Hawaii.

Bertrand Piccard, initiator, chairman and pilot of Solar Impulse, said: “Can you imagine that a solar powered airplane without fuel can now fly longer than a jet plane! This is a clear message that clean technologies can achieve impossible goals!”

Describing the conditions in the cockpit, Borschberg said: “The first 24 hours were very technical, but the second day was really getting me into the mission. It took me a while to create a relationship of trust with the airplane, which allows me to rest and eventually sleep by periods of 20 minutes with the autopilot. The experience of flight is so intense that I can only focus on the present moment and discover how to deal with my own energy and mindset.”

Read Next

March 9, 2026
Spanish independent power producer (IPP) Zelestra has secured a US$176 million green financing package for its 242MWdc Babilonia solar project in Peru. 
March 9, 2026
The latest domestic solar-grade polysilicon transaction prices from the Silicon Industry Branch of the China Nonferrous Metals Industry Association show that all domestic n-type solar-grade polysilicon products have plunged, with steep declines across the board.
March 9, 2026
Swedish thin-film solar manufacturer Midsummer has received a follow-up machinery order worth SEK236 million (US$25.5 million).
March 9, 2026
Renewable energy platform Lyra Energy has reached financial close on its 255MW solar PV project in Thakadu, South Africa.
March 9, 2026
Clean energy advocates have applauded new measures to expand solar and storage capacity in New Jersey and tackle rising energy bills, including a 3GW boost to the state’s community energy programme.
March 9, 2026
Hanwha Qcells has resumed normal production at its solar module assembly plants in the US state of Georgia after some of its products were detained by US customs.

Upcoming Events

Solar Media Events
March 24, 2026
Dallas, Texas
Solar Media Events
April 15, 2026
Milan, Italy
Solar Media Events
June 16, 2026
Napa, USA
Solar Media Events
October 13, 2026
San Francisco Bay Area, USA
Solar Media Events
November 3, 2026
Málaga, Spain