The weekly briefing on space-based solar power
Space Solar News

Solar energy beyond Earth — space-based solar power, spacecraft power systems and lunar surface energy. Weekly, engineering-grade, hype-free.

Latest briefing · October 10, 2026

NASA and DOE's Nuclear Push Forces a Lunar Surface Power Reckoning

NASA and the U.S. Department of Energy are formally co-developing next-generation nuclear systems for the Moon — here's what that means for your surface-power roadmap.

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October 10, 2026

What NASA and the DOE Just Got Right About Nuclear Power on the Moon

NASA and the U.S. Department of Energy are formally co-developing next-generation nuclear technologies for deep-space and lunar surface power — here's what that means for your roadmap.

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October 9, 2026

NASA's GIMLI Mission Will Probe Whether Lunar Pits Can Host Surface Power Infrastructure

NASA's GIMLI robot is heading to the Marius pit — and the power case for lunar lava tubes is more concrete than the shelter case.

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October 8, 2026

NASA's New Power Lab and Lunar Grounding Challenge Signal a Serious Push for Surface Power

NASA's Glenn Research Center procurement and a new spacesuit-charging challenge mark concrete steps toward workable lunar surface power infrastructure.

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October 7, 2026

Lunar Laser Clocks and 1,000 MHz of New Spectrum: What Changed This Week for Space Power and Navigation

A lunar optical clock proposal and 1,000 MHz of freshly opened FCC spectrum could reshape navigation and power-beaming infrastructure for cislunar operations.

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October 6, 2026

Europe's Launch Gap Is a Space Solar Bottleneck — And €2.7M Won't Close It

ESA's fresh funding for RFA at SaxaVord highlights how Europe's chronic launch deficit threatens every SBSP and orbital power roadmap.

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October 3, 2026

What This Swarm-Power Paper Just Got Right About Orbital Solar Coordination

A new arXiv framework solves propellant-free, power-optimal formation-holding for magnetorquer swarms — the quiet math behind large space structures.

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October 3, 2026

Orbital Data Centers Need Power First — Transporter-18 Just Started That Test

SpaceX's Transporter-18 rideshare carried hardware aimed at solving orbital computing's hardest constraint: getting enough watts to the processor.

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October 2, 2026

Cornell's Orbital Lightsail Demos Raise a Hard Question for In-Space Power

Cornell students deployed two free-flying lightsails aboard the ISS — here's what it actually proves, and what it doesn't, for in-space propulsion and power.

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October 1, 2026

Starship Reaches Orbit and Swift Stalls: Two Data Points That Define In-Space Power's Near-Term Ceiling

SpaceX's first orbital Starship and NASA's failed Swift reboost mission set hard boundary conditions for space-based solar power economics in 2026.

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