Perovskite research is moving fast, but the dossier's newest hard numbers are not in the lab

Waaree Solar Americas began commercial production on the two new lines on 29 October, according to pv magazine. Waaree Energies' board approved the expansion in April 2025. The company says the extra capacity doubles the Brookshire plant and supports its US order book, which it puts at 43.8% of a INR 592 billion total.

That is crystalline silicon, not perovskite. The distinction matters when reading a week of perovskite headlines that are mostly lab and pilot news.

According to New Electronics, Belgian spin-off Noak has secured 5 million euros to advance perovskite-silicon tandem solar technology. pv magazine and Electronics Weekly reported the same funding, all on 2 and 3 November. Noak is a spin-off from imec, the Belgian research institute. Neither report gives an efficiency figure for Noak's cells, a timeline for commercial production or the names of investors. The round's size is the only hard number available.

What the research pipeline looks like

Perovskite research items dated between 26 October and 2 November also feature: a robot platform combining AI and rapid imaging to improve perovskite solar cell fabrication, reported by Tech Xplore on 2 November; a study on zwitterions as more than defect passivators, reported by pv magazine the same day; a Nature paper on grain boundary engineering using a metallomesogen in formamidinium-caesium lead triiodide tandem cells, also on 2 November; and a 1,000-hour extreme heat test retaining 95% efficiency, reported on 26 October. Each is a single study or a single lab result. None of the research items reports a certified module efficiency or a production line.

That gap between lab records and factory output is the context for reading everything else in this week's perovskite coverage. A cell that survives 1,000 hours in a test chamber is not the same as a module that survives 25 years on a roof.

"Commercializing space solar cells requires both ground-based performance validation and data collected in orbit," said Taehun Ahn, CEO of Flexell Space, in a SpaceNews report on 28 October.

Flexell Space works on CIGS and perovskite cells for satellites. It signed an agreement with Singapore's Satoro for two in-orbit demonstration missions, one in 2027 and one in 2028, each on a SpaceX Falcon 9, SpaceNews reported. The company previously flew demonstration missions on Korea's KSLV-II in November 2025 and October 2026.

Space is one of the few places where perovskite can be tested without the terrestrial durability problem dominating the business case. It is also a small market next to utility-scale solar.

The policy clock running underneath

The investment case for any new cell technology depends on the tax credits that pay for the factories. Canary Media reported on 3 November that under the One Big Beautiful Bill Act, signed in July 2025, solar and wind projects must be placed in service by the end of 2027 to claim the investment tax credit and production tax credit. Projects that began construction by 4 July 2026 generally have four calendar years to reach service, the outlet reported, citing McDermott Will & Schulte partner Heather Cooper.

That deadline constrains deployment, not research budgets. But it shapes which technologies get built at scale in the US before 2030, and perovskite-silicon tandems are not yet in that queue.

For now, the commercial numbers here are silicon. The perovskite numbers are euros raised and hours survived in a chamber.