Design and execution works to increase geothermal energy production and heat networks 2026 Tender

Original: District-heating mains construction work – Servicii de proiectare şi Execuţie lucrări pentru obiectivul: “Creșterea producției de energie din resurse geotermale prin realizarea/modernizarea capacităților de producție și a rețelelor de transport – distribuție a energiei termice din energie geotermală”

Orasul Calimanesti

About this tender

The Town of Călimănești is procuring design and build services for district-heating works under the project "Increasing geothermal energy production through the construction/modernisation of production capacities and of the transport-distribution networks for geothermal thermal energy." The contractor must design and execute the works in line with the Beneficiary's requirements set out in the attached tender specifications (Caietul de sarcini), which govern purpose, coverage area, design requirements and technical criteria. The contractor's responsibilities include obtaining all required approvals, permits and expert reports from utility owners and national authorities for all contract phases. Design deliverables include the technical documentation for the building permit (DTAC), ISCIR preliminary approvals for pressurised pipelines where applicable, the technical project and execution details, utility connection documentation for electricity, water and sewerage (including the in-well water treatment station, the geothermal wells and all thermal substations), a health and safety plan, AS-BUILT documentation, the technical book of the investment, operation and maintenance manuals, and an environmental management plan. The scope also covers technical assistance from the designer during construction (quality control phases, site instructions, on-site supervision, modification plans, and the designer's closing report at handover), execution of the works, commissioning tests and trials, operator staff training, and defect remediation during the guarantee or defects-notification period. The contract duration and phasing are not stated on the notice page and would be set out in the attached specifications.

Key requirements

• ✓Design and permitting for geothermal production capacity and district heating distribution network
• ✓Obtain all utility connection approvals, building permits, and regulatory authorizations
• ✓Deliver technical documentation, health & safety plan, as-built records, and technical manuals for all equipment and systems

CPV codes

Relevant sectors

About this sector

Renewable energy funding covers solar, wind, hydropower, geothermal and bioenergy, from early research to grid-scale deployment. Public money tends to back demonstration, grid connection and access to energy in emerging markets, while procurement notices buy installation, operation and maintenance. Calls often ask for proof of resource assessment, permitting progress and local partners.