The Meaning Of The Name Regina. Meaning of Regina: Late Latin name meaning âqueenâ. It was in use as a Christian name from early times, and was borne by a 2nd-century saint. In England it was used during the Middle Ages in honour of the Virgin Mary, and it was later revived in the 19th century.
The initial costs of geothermal energy are high -- wells can cost $1 to $4 million each to drill, and installation of a home geothermal pump system can run as much as $30,000 [sources: REPP, Consumer Energy Center ].
In Europe, 2030 target costs are: USDEGS 29/MWh for conventional geothermal; USD 74/MWh for low-temperature and EGS production.Direct use: GSHP cost reductions will be driven by economies of scale related to the rapid global deployment. In Europe, by 2030, cost is expected to decrease by 10%, to USD 74/ MWh th. In 2008 capital costs for greenfield geothermal flash plant developments ranged from USD 2000/kW e to USD 4 500/kW e e. Capital cost pay-back times for ground source heat pumps typically range from four to eight years in Europe.