Tandem solar
On saleCompany-reported
- What happened
Oxford PV shipped its first commercial tandem panels, with 24.5% module efficiency, to a customer in the US.
- Why it matters
Oxford PV says its first panels produce up to 20% more energy than a standard silicon panel of the same size.
Oxford PV, 5 Sept 2024- How far from your life
Approved or on sale
Perovskite-on-silicon tandem solar cells is on step 4 of 5. You can get it now, though it may not be common yet.
- Source
“The first Oxford PV panels available on the market have a 24.5% module efficiency,”Oxford PV, 5 Sept 2024
Company-reported: the only source so far is the company itself. It still counts on the ladder, and we show the flag until an independent source backs it.
The bigger picture
More on Tandem solar
On step 4 of 5: Approved or on sale. Everything we track on it
- Working prototype
A LONGi tandem cell reached 35.5% efficiency, a world record, certified by the European Solar Test Installation.
PV Tech, 16 July 2026