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.
obsidian. (geology). A jet-black volcanic glass, usually of rhyolitic composition, formed by rapid cooling of viscous lava; generally forms the upper parts of lava flows.Also known as hyalopsite; Iceland agate; mountain mahogany.bsidian polishes well. It is formed upon hardening of the viscous varieties of rhyolite lava or rhyodacite lava. Certain varieties of obsidian are used as decorative stones. In the Stone Age and Bronze Age, obsidian was used to make arrowheads, spearheads, knives, and scrapers.