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 ].
Geothermal energy is available 24 hours a day, 365 days a year. Geothermal power plants have average availabilities of 90% or higher, compared to about 75% for coal plants. Geothermal power is homegrown, reducing our dependence on foreign oil.