Bonavia — Energy & municipal infrastructure development
We carry proven technologies into Poland's regulated heat, water and energy infrastructure — from offtake and permitting through to a bankable, investment-ready project.
Depth–temperature scale: illustrative, typical Polish Lowland gradient.
The opportunity
Poland is moving its heat off coal under a regulated framework: a guaranteed return on renewable district heat, billions in Just Transition funding, and hundreds of municipal heat utilities required to change. The technology to serve them already exists. What is missing is a local partner who can navigate an opaque, government-facing market and turn a proven system into a financed project.
Where we operate
Seen from abroad, district heating, water and wastewater, power generation and the municipalities themselves look like four separate sectors needing four separate entry strategies. In Poland they are one market: the same municipal decision-makers, the same public-procurement rules, revenue lines approved in a regulatory proceeding rather than agreed with a customer, the same institutions funding the capital. We work it as a whole — which is why a technology entering through one door arrives with relationships already standing at the others.
The gap
The closed-loop systems that can decarbonise Central European heat already work. What stalls projects is everything between a proven technology and a signed, financed deal — and almost none of it is visible from outside the market.
We are not a consultant reporting from the sidelines. We are the part of the project that has to be local.
Bankability
Across the sector, the hard part has shifted. The engineering is being proven; the recurring obstacle now is the distance between a working technology and a project a lender or an investment committee will actually back.
A project becomes bankable when offtake, regulatory pathway and financing line up at once — and that alignment is built on the ground, not written into a report. Bonavia works a candidate from first screen through to investment-ready: securing offtake intent, clearing the regulatory path, and assembling the local capital stack. We do not supply the capital — we build the case and the structure that lets it in.
Nowhere is that clearer than in the tariff. In Polish district heating the revenue line is not negotiated with a customer — it is approved by the energy regulator. The tariff is the project's income statement, and it is set in a proceeding, not a spreadsheet. Bonavia navigates that proceeding as part of development, because a project is only ever as bankable as the tariff underneath it.
Method
Not every technically feasible site becomes a viable project. Each candidate runs through the same structured screen across six dimensions — so a recommendation means the same thing every time. We share the method, not the raw scores: a developer or investor receives a qualified shortlist, not a data dump.
A proprietary database of deep boreholes, assessed for closed-loop repurposing potential.
Track record
Bonavia is led by an operator who has carried regulated technology from certification through public reimbursement and procurement into deployment across the public sector in Poland and Ukraine. It is the same regulated, government-facing, project-financed path that closed-loop geothermal must travel in Central European district heating — backed by a finance and banking background and two decades of work across CEE and CIS markets.
These relationships are live and current — standing working agreements today with the mayors of more than a dozen of Poland's largest cities and with several voivodeship marshals' offices. These are the decision-makers who control sites, heat networks and local permitting.
Beyond geothermal, the same work is live today: the same operator carries foreign wastewater-treatment technology into Polish municipal utilities — the same buyers, the same procurement, the same institutions. The sector changes; the road does not.
Work with us
We welcome introductory conversations with developers, investors and technology partners weighing closed-loop geothermal opportunities in the region.