This whitepaper from Bosch Thermotechnology discusses how the main barrier to the adoption of geothermal systems -- the high cost of the geothermal loop -- can be overcome via utility- or third-party-ownership.
The whitepaper will analyzes three scenarios for this initiative: utility owned, third party owned, and third party owned w/utility participation. Examples are given of various models at work, and a discussion of the possible market potential.
The whitepaper can be viewed as a pdf via the link below and downloaded for free.