Ontario introduced time-of-use (TOU) pricing to reflect the costs of producing electricity at different times of the day. There are three TOU periods: 1  Off-peak, when energy demand is low and less expensive sources of electricity is used. 2  Mid-peak, when the cost of energy and demand are moderate. 3  On-peak, when demand is highest and more expensive forms of electricity production are used.
Obsidian Stone Generator. Black Obsidian Stone is a powerful cleanser of psychic smog created within your aura, and is a strong psychic protection stone. It has powerful metaphysical properties that will shield you against negativity, and the energy of these stones may stimulate the gift of prophecy.lack Obsidian Stone is excellent used in combination with a number of different stones. To boost the psychic protection aspect of other stones,. you may choose to use them with other strongly protective stones to elevate the level of protection.
Even some of the black gemstones above â hematite, jet and obsidian in particular â are not categorically precious or semi-precious stones; but these black stones are used as ornaments. Other black rocks made into jewelry include amphibolites, lodestone, tektite and lava.ike white moonstones, the black gemstones hail from the group of minerals called feldspars, along with sunstone, oligoclase and andesine. The black semi-precious stones are not necessarily black entirely, but may be grey, interspersed in many cases with the beige and white of the more well-known moonstone.