Technical requirements

All wells must be made by a certified water or monitoring well contractor. All open-loop geothermal energy extraction facility wells must be in compliance with article 33-18. The location and construction of the borehole of closed-loop geothermal energy extraction facilities must be in compliance with article 33-18. All geothermal energy extraction facilities, including horizontal-loop facilities, must be approved by the state geologist prior to installation. All heat transfer fluids and additives must be approved for use by the state geologist.