About
Voltera Bulgaria is a renewable energy company headquartered in Sofia, Bulgaria specializing in Hydrogen, Other.
Voltera Bulgaria is a deep-tech startup developing energy system innovations. Its work covers water electrolysis for hydrogen production using a proprietary sealed electrolysis cell that can operate on low-grade water, including seawater, and at pressure to reduce compression needs. It also develops refrigerant-free heat pump technology for automotive and data center HVAC and thermal management, and desalination technologies. The company leads the ColteraTREC project on waste-heat energy recovery and cooling.
Headquarters
Focus areas
Products & services
Business models
Value chain
Locations
Headquarters
1784, Sofia, Bulgaria
Projects
1ColteraTREC
EIC-funded R&D project designing, simulating and modelling a hybrid energy system that generates electricity from waste heat and uses a heat pump module for active cooling of ambient air. Kick-off meeting held in Sofia on 17-18 October 2025; applications include EV cabin cooling and data center thermal management.
Credentials & affiliations
Partnerships
Leibniz Universität Hannover, Technische Universität Clausthal, Dias Media Group, University of West Attica
People
Management & team (6)
+ 2 more
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