Exeger

Sweden | NATO DIANA Energy & Power 2026

Indoor solar cells that power devices from any light source -- battlefield equipment that never needs battery replacement.

Founded: 2009
Team: 100+
Funding: EUR 169M+ (SoftBank, AMF, EIB EUR 35M loan)
Website: https://exeger.com

DIANA Status

NATO DIANA 2026 Cohort

Technology

Exeger developed Powerfoyle -- customizable solar cells that convert any light (indoor, outdoor, artificial) into electricity. CEO Giovanni Fili. Stockholm manufacturing.

Key Differentiators

Works under ANY light. Customizable form factor. Self-powered devices. Silicon-free = no Chinese dependency. European manufacturing. Defence Tech business unit.

Data Center Value Proposition

Data centers have thousands of sensors and IoT devices. Exeger-powered sensors are self-charging from ambient light, eliminating battery maintenance.

Cost / ROI

Eliminate battery replacement labor: $50-150K/year for large facilities. Reduce maintenance downtime. 10-year+ device lifetime.

Technology Readiness

TRL 8-9 -- Commercial products shipping (JBL headphones, POC helmets). Manufacturing operational.

Summary

Exeger's Powerfoyle solar cells convert any light to electricity. Customizable shape. Commercial products shipping. Stockholm manufacturing. 100+ employees. NATO DIANA 2026. Eliminate battery maintenance across DC sensors.

Contact: info@diana.nato.int
Prepared by: NATO DIANA | NATO DIANA Business Development
Date: March 2026 | DCD-NY Edition