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Rocket Lab Introduces High-Efficiency Solar Cell to Reduce Reliance on Supply-Constrained Critical Minerals

$RKLBPress releaseSep 8, 2026, 4:20 PM ETRead the release

Rocket Lab announced the production release of IMM Apex, a next-generation solar cell with a 31.5% Beginning of Life efficiency and 40% lower mass. The product eliminates reliance on germanium substrates, addressing supply-chain constraints and offering a drop-in replacement for legacy systems.

Key figures

Efficiency bol
31.5%
Mass reduction
40%
Specific power
best-in-class

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