Search results
Results from the WOW.Com Content Network
Prices express exchange-value in units of money. [119] A price is a "sign" that conveys information about either a possible or a realized transaction (or both at the same time). The information may be true or false; it may refer to observables or unobservables; it may be estimated, assumed or probable.
Fuel costs can vary somewhat unpredictably over the life of the generating equipment, due to political and other factors. To evaluate the total cost of production of electricity, the streams of costs are converted to a net present value using the time value of money. These costs are all brought together using discounted cash flow. [21] [22]
Energy services can be defined as functions that generate and provide energy to the “desired end services or states”. [3] The efficiency of energy services is dependent on the engineered technology used to produce and supply energy. The goal is to minimise energy input required (e.g. kWh, mJ, see Units of Energy) to produce the energy ...
Warren Buffett, one of the richest men on the planet, once said: “Money has no utility to me.Time has utility to me.” In a 2016 interview on Bloomberg’s The David Rubenstein Show: Peer-to ...
Natural gas is often sold in units of energy content or by volume. Common units for selling by energy content are joules or therms. One therm is equal to about 1,055 megajoules. Common units for selling by volume are cubic metre or cubic feet. Natural gas in the US is sold in therms or 100 cubic feet (100 ft 3). In Australia, natural gas is ...
Economic value is generally measured through units of currency, and the interpretation is therefore "what is the maximum amount of money a person is willing and able to pay for a good or service?” Value for money is often expressed in comparative terms, such as "better", or "best value for money", [1] but may also be expressed in absolute ...
Over two-thirds of the energy used by homes, offices, and other commercial businesses is electric, including electric losses. [69] [70] Most of the energy used in homes was for space heating (34%) and water heating (19%), much more than the amount used for space cooling (16%) and refrigeration (7%). [71]
Embodied energy is the sum of all the energy required to produce any goods or services, considered as if that energy were incorporated or 'embodied' in the product itself. . The concept can be useful in determining the effectiveness of energy-producing or energy saving devices, or the "real" replacement cost of a building, and, because energy-inputs usually entail greenhouse gas emissions, in ...