Solar Module Price Stabilization Shifts Focus to Perovskite Technology; Oxford PV Demonstrates Over 25% Tandem Efficiency, Targets 27% Next Year

July 19, 2026

pv magazine Global Germany

Overview

As global solar module prices stabilize, attention is shifting to next-generation perovskite solar cell technology, particularly perovskite-silicon tandem modules. UK-based Oxford PV has already deployed tandem modules with efficiencies slightly above 25% in large-scale field tests and aims to achieve 27% efficiency next year. This trend underscores the industry’s pivot towards high-efficiency solutions to drive future growth and wider adoption.

In Depth

Solar Module Price Stabilization Accelerates Investment and Focus on Perovskite Technology

The prolonged rise in solar PV module prices has halted, bringing a period of stabilization to the market. This price equilibrium signals that the solar industry is moving beyond the maturity phase of existing silicon technologies and transitioning towards its next growth stage. Against this backdrop, industry attention is increasingly converging on next-generation technologies that promise higher conversion efficiencies and diverse applications, particularly perovskite solar cells.

Technology and Market Trends

Expectations for Perovskite Technology: Perovskite solar cells offer a compelling combination of high efficiency, lightweight properties, flexibility, and transparency—characteristics difficult to achieve with conventional crystalline silicon solar cells. These attributes provide significant advantages for integrated applications like Building-Integrated Photovoltaics (BIPV) and tandem modules combining perovskites with existing silicon cells.
Oxford PV’s Concrete Achievements: Oxford PV, a leading UK company, is aggressively pursuing the commercialization of perovskite-silicon tandem technology. The company has already initiated large-scale field tests with tandem modules demonstrating power conversion efficiencies slightly exceeding 25%, actively gathering real-world performance data. Furthermore, Oxford PV has set an ambitious goal to increase the efficiency of these tandem modules to 27% by next year, outlining a clear technological roadmap for commercialization.
Market Impact: The stabilization of module prices makes overall solar PV system costs more predictable, reducing risk for investors and project developers. This environment is likely to accelerate investment in innovative solutions such as high-efficiency perovskite technologies.

Background and Industry Context

Solar power plays a central role in the global energy transition, but its further proliferation requires continuous improvements in power generation efficiency and cost reduction. As the efficiency gains for crystalline silicon solar cells approach their physical limits, tandem structures like perovskites are considered one of the most promising approaches to break through these barriers. Tandem technologies, in particular, which can leverage existing silicon infrastructure, are expected to see early market adoption.

Future Outlook

Advances in perovskite technology are poised to enhance the cost-effectiveness of solar power, enabling broader deployment across more regions and applications. If ongoing R&D and demonstration efforts by companies like Oxford PV succeed, perovskite-silicon tandem solar cells could become a significant component of the global solar PV market within a few years. The target of 27% efficiency will be a crucial benchmark for assessing the impact of this technology as a next-generation energy solution.

Source: https://www.pv-magazine.com/2026/07/16/rise-in-solar-module-prices-comes-to-a-halt/

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