Heliatek produces HeliaSol, an organic photovoltaic solar foil that can be adhered directly to a wide range of building surfaces without drilling or mounting frames. The ultra‑light, ultra‑thin, flexible foil offers a 20‑year performance guarantee, a CO₂ payback period under 100 days, and is IEC/UL certified, enabling rapid, aesthetically integrated solar retrofits for roofs and façades.
Funding
$17.7M raised to dateRaised to date based on public sources. This may differ from the amount the company actually raised and is based only on what is publicly available on the internet.
Founders
Product
Problem
Conventional solar panels are heavy, rigid, and require extensive mounting structures, making them unsuitable for many building surfaces such as low‑load roofs, curved facades, or historic façades. This limits the amount of usable roof and façade area for photovoltaic generation and increases installation cost and complexity.
Solution
Heliatek offers HeliaSol, an organic photovoltaic (OPV) solar foil that can be adhered directly to a wide range of building substrates without drilling or additional support structures. The foil is ultra‑light (<2 kg per roll), ultra‑thin (<2 mm), and flexible, allowing it to conform to irregular or curved surfaces. Integrated rear‑side adhesive and pre‑wired connection boxes enable rapid “sticker‑like” installation and immediate electrical integration. Certified to IEC 61215/61730 and UL 61730 standards, HeliaSol provides a 20‑year performance guarantee while delivering a carbon‑footprint of less than 10 g CO₂e per kWh and a CO₂‑payback period under 100 days. Produced in a German roll‑to‑roll vacuum‑evaporation line, the technology uses no rare earths or limited raw materials, ensuring a stable supply chain.
Target Audience
HeliaSol is aimed at building owners, facility managers, and solar installers seeking retrofit solutions for roofs and façades with weight or structural constraints, as well as architects and developers of new constructions that require integrated, aesthetically flexible photovoltaics.
Features
- Organic photovoltaic solar foil with integrated rear‑side adhesive for tool‑free mounting on metal, concrete, glass, membrane, bitumen and other substrates
- Pre‑installed connection box with cables for immediate plug‑and‑play electrical hookup
- Extremely low weight (<2 kg) and thickness (<2 mm) with a minimum bend radius of 50 cm, enabling application on curved and lightweight structures
- IEC 61215/61730 and UL 61730 certified, backed by a 20‑year performance guarantee
- Carbon‑intensive‑energy‑free production; CO₂ emissions <10 g CO₂e/kWh and amortisation <100 days
- Scalable roll‑to‑roll manufacturing capable of up to 2 million m² per year
- No need for roof penetrations, mounting frames, or active cooling systems