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 · November 10, 2026

NASA's Moon Base Power Awards Signal a Serious Shift in Lunar Surface Energy Strategy

NASA's MAX POWER awards bundle nuclear rovers, commercial landers, and infrastructure contracts into the most concrete lunar surface power roadmap yet.

Read the briefing →

Latest briefings

Full archive →

November 7, 2026

What Orbital Matter's In-Space 3D Printing Mission Gets Right About Solar Power Architecture

Orbital Matter's 2028 mission to 3D-print a 5 kW solar array in orbit with EnduroSat is the most concrete in-space manufacturing solar demo on the near-term calendar.

Read the briefing →

November 7, 2026

Orbital Matter's 2028 In-Space 3D-Printed Solar Array Is a Specific Bet Worth Watching

Orbital Matter and EnduroSat plan a 2028 mission to 3D-print a 5 kW solar array in orbit — here's what that proves and what it doesn't.

Read the briefing →

November 6, 2026

The Moon Race Has a Power Problem: What NASA's 2028 Timeline and China's 2030 Bid Mean for Lunar Surface Energy

With NASA targeting 2028 and China aiming for 2030, the lunar surface power gap is no longer a distant engineering problem — it's a live procurement decision.

Read the briefing →

November 5, 2026

Stellar Alpina's Rotating Detonation Lander Is a Surface Power Story in Disguise

Swiss startup Stellar Alpina's Morpho lunar lander and Monarch orbiter reframe cislunar transport as a surface-power delivery architecture worth watching.

Read the briefing →

November 4, 2026

Dark GPUs Need Power Now — And Space Solar Is Being Asked to Answer

Up to 15 GW of stranded AI compute may be sitting powerless; space-based solar is entering the pitch deck as a credible fix.

Read the briefing →

November 3, 2026

Radiant's Kaleidos Microreactor Clears DOE Safety Review — What It Means for Lunar Surface Power

The first commercial nuclear microreactor to win DOE full-power approval signals a credible alternative to solar arrays for always-on surface power on the Moon.

Read the briefing →

October 31, 2026

What Flexell Space Just Got Right About In-Orbit Solar Cell Validation

Flexell Space's two-mission demo plan with Satoro puts next-gen space solar cells on Falcon 9s in 2027 and 2028 — here's why the sequencing matters.

Read the briefing →

October 31, 2026

Flexell Space and Satoro Plan Two Falcon 9 Rides to Prove Next-Generation Solar Cells Work in Orbit

Two in-orbit demos aboard SpaceX Falcon 9 in 2027–2028 will test whether Flexell Space's next-gen solar cells can survive and perform in the real radiation environment.

Read the briefing →

October 30, 2026

NASA's 70-Landing Lunar Decade Hinges on Power Infrastructure Nobody Has Built Yet

NASA wants 70+ Moon landings by 2035, but sustained surface operations demand kilowatts of reliable power that no mission has yet delivered.

Read the briefing →

The weekly briefing on solar power beyond Earth

One big idea, the data behind it, and the “so what” for space and energy professionals — every week, free.

Double opt-in, no spam, unsubscribe anytime. See our privacy policy.