This term is used in reference to renewable energy and refers to the operational characteristics of a particular generation resource. The characteristics of renewable and other generating types (both positive and negative) are sometimes not reflected in the price of power. Such elements of this generation are referred to as externalities and include environmental, economic, and social characteristics.
A term used to describe a customers usage prior to taking action to reduce its usage as requested. The baseline is determined differently in different demand response programs. In New York, the baseline is defined as the Average Peak Monthly Demand (APMD) and is the average of the peak demands between 12:00 p.m. and 8:00 p.m. from the 4 middle months of the prior like season (summer period APMD is the average of the peaks from June, July, August and September of the prior year; winter period APMD is the average of the peaks from December, January, February and March of the prior year). In other markets, a Customer Baseline (CBL) approach is used, which generally involves the highest 3 or 5 days from the prior 10 weekdays, with certain exclusions.
Baltimore Gas & Electric Corporation, a wholly owned subsidiary of Constellation Energy. BGE is regulated by the Public Service Commission of Maryland.
A period where no electric service is available to a particular area.
A time period where full service to pockets of customers, caused by a state of poor power quality, in which the utility company may reduce electric line voltage in efforts to deliver more electricity to meet increased demand.
Six-month period for buying and selling electric capacity in NYISO's territory; Summer Capability Period is May through October, Winter Capability Period is November through April.
Payment to customer for advance agreement to reduce a certain amount of electric demand upon activation by the market administrator or utility, through SGS.
The impact of an entity's activities on the environment, measured in terms of carbon dioxide emissions produced: e.g. burning fossil fuels for electric power, heat or transportation.
Steps taken to compensate for carbon dioxide emissions produced: e.g. funding alternative energy or carbon reduction projects.
Electric competition refers to markets where the consumers have a choice of which company will sell them their electric supply. Allowing two or more entities to sell similar goods and services in the same market.
Power Non-renewable fuels such as coal, oil, nuclear and gas, also are referred to as traditional power.
Taking action to reduce one's usage by shutting off equipment.
Amount of electric demand that can be reduced
The opportunity for customers to select their electric supplier from more than one supplier.
The act of responding to a set of electric market and/or reliability triggers by reducing demand for electricity. Taking these actions will relieve stress on the electric grid, helping utilities and grid operators to maintain electric supply to customers.
Demand Response Event
Period of time for which participants are called on to reduce their electric demand.
Demand-Side Management (DSM)
The management of demand-side (as opposed to supply-side) measures of end-users; the process of shifting or reducing end-user electricity use in order to meet demand for supply and avoid costly investment in new generation.
The process of changing the laws and regulations of a state to allow customer choice.
In New York State, suppliers are required to provide a "label" which shows an electricity service provider's generation type in a standardized format. The label may also include prices, terms of contracts with customers, air emissions and labor practices.
Part of the delivery service provided by utilities, it is the low voltage system of power lines, poles, substations and transformers, directly connected to homes and businesses.
The Economic attributes include the impact on the local and regional economy. This includes the development of local jobs and businesses, as well as reductions in the costs of having a secure domestic supply of electricity.
Emergency Demand Response Program
Amount of electricity a system is using at a given point of time; measured in kW.
Electric Generation Supplier ("EGS")
A term used in the PJM area to refer to a company that is an approved electric generation supplier. An EGS operates in the competitive market as a competitor to standard utility service.
Electric Power Grid
The network of systems that transmits and delivers power from producers to end-users.
Electric Service Company ("ESCO")
Literally refers to Energy Service Companies, an ESCO sells electric supply in the retail market. The utility continues to operate and maintain its system, read the meter, and deliver the electricity to your home or business.
The entity that owns and/or operates facilities for the generation, transmission, and/or distribution of electricity.
Eligible Renewable Resource Facility
This is facility that is generating electricity from renewable resources.
Emergency Demand Response Program (EDRP)
Demand response programs in which response events are triggered by emergencies related to power supply or transmission/distribution. Participation is generally voluntary and payments are limited to energy payments only, which are typically based on the market price reached during the emergency event periods.
The environmental attributes include the cost benefit associated with the construction and operation of specific type of electric generation facility. In a discussion of Green Power or renewable energy, their environmental attributes might include the benefits of such things as emissions offsets or avoidance.
Environmentally Superior Product
A product that reflects 1) a greater proportion of renewable energy and 2) lower emissions per kilowatt-hour of SOx, NOx, and greenhouse gases than is generally available in the transmission grid.
Fossil Fuel Fired Generation
Using natural gas, oil, coal, or petroleum coke or other petroleum-based fuels for the generation of electricity.
The percentage of each fuel type used by an ESCO to generate electricity.
This is the act of converting various forms of energy into electricity such as oil, gas, sunlight, or wind.
Global warming is the rise in the earth's temperature resulting from an increase in heat-trapping gases (mainly carbon dioxide and methane) in the atmosphere. Fossil fuels used in the production of electricity contribute to two-thirds of these gases found in the atmosphere.
A seller of renewable energy.
The grid is a term used to describe the network of wires and cables, which transport electricity from a power plant to your home.
Distribution customers not eligible for Type I or Type II Service whose PJM capacity peak load contribution is 600 kW or greater.
Installed Capacity (ICAP)
For an energy market: the amount of available electricity-generating and demand response assets; for an end-user: the amount of electric reduction committed to a demand response program either by way of actual load reduction or the operation of on-site generation.
Measurement of power; 1 kW = 1,000 watts or approximately 1 house; 1,000 kW = 1 megawatt (MW).
A kilowatt-hour (kWh) is the standard unit of measure for electricity. One kilowatt-hour is equal to 1,000 watt-hours.
Landfill Gas ("LFG")
Methane gas that is created by the natural decomposition of solid waste at a Landfill site.
Landfill Gas Generation Plants
The use of LFG to generate electricity.
With BG&E, Customers who do not choose an alternate energy supplier for their electric requirements will be placed on Market-Priced Service provided by the utility. All customers eligible for Residential, Types I and II Market-Priced Service will be informed of the retail prices and Prices to Compare for the service, if practicable, at least two months prior to the beginning of each service year. The Customer is not permitted to change service type within an SOS year.
The Maryland Public Service Commission is the regulatory agency that oversees and regulates the utilities in the state of Maryland. In doing so, the Maryland PSC approves all rates and tariffs of the utilities in that state. The Maryland PSC also oversees the development of the competitive retail market in that state, and in that capacity must approve any company desiring to be an EGS in the state.
One thousand kilowatts, or 1 million watts; standard measure of electric power plant generating capacity.
One thousand kilowatt-hours or 1 million watt-hours.
New York Independent System Operator (NYISO)
A not-for-profit corporation that operates New York's bulk electricity grid, administers the state's wholesale electricity markets and provides comprehensive reliability planning for the state's bulk electricity system; began operating in 1999.
The splitting of the uranium atoms to generate electricity. Uranium is mined, processed to increase the amount of fissionable material, and made into fuel rods, which are then placed in nuclear reactors. As the uranium atoms split inside the reactor, they generate heat, which is converted to steam and used to generate electricity.
New York State Energy Research and Development Authority.
Highest level of electric demand requested on a system or by an end-user.
Ensures the electric power supply reliability in 13 states and the District of Columbia, operates an efficient, effective wholesale electricity market and manages a long-term regional electric transmission planning process. PJM Interconnection coordinates the movement of electricity through all or parts of Delaware, Illinois, Indiana, Kentucky, Maryland, New Jersey, North Carolina, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia and the District of Columbia. This service area has a population of about 51 million and a peak demand of 144,644 megawatts.
Provider of Last Resort
Electricity service available to consumers who choose not to select an alternative electricity service provider. This is also referred to as the "P.O.L.R."
Ancillary service used by the ISOs to maintain system frequency
The generation of electricity from solar, wind, geothermal, biomass and hydroelectric sources. A resource is renewable if it is naturally replenished. Renewable generation sources have lower environmental impacts than traditional non-renewable sources.
Responsible Interface Party (RIP)
A demand response service provider, authorized and approved by the New York Independent System Operator (NYISO); also called Curtailment Service Provider (CSP) or Demand Response Provider (DRP).
The series of events whereby a vertically integrated monopoly electricity territory controlled by a single utility is opened up to competition.
The geographical territory served by a utility.
The concept of social attributes includes the health and quality of life. This also refers to social equity considerations related to the location and siting of power plants, specifically with respect to the affect on residential landowners.
Standard Offer Service, refers to an electric supply service that a utility provides to customers. The SOS provided by BGE shall include energy, capacity, line losses, transmission and related ancillary services.
Special Case Resource (SCR)
Demand response participant in NYISO's Installed Capacity market.
The mix of fuel sources used in generating electricity in the state or region.
Standard Offer Service ("SOS")
Refers to an electric supply service that a utility provides to customers. The SOS provided by BGE shall include energy, capacity, line losses, transmission and related ancillary services.
Tradable Renewable Certificates (TRC)
A term referring to the bundle of attributes associated with electricity, except the actual electrical energy itself, associated with the generation of electricity at a renewable energy facility. A renewable energy "tag" and a REC are the equivalent of a TRC.
The high voltage lines that are the conduit to move energy from power plants to the users of electricity.
Type I Service
Distribution customers of BGE with the following characteristics: The metered 30 minute demand must not equal or exceed 25 kW Energy consumption must not exceed 6,000 kWh in any two consecutive non-summer billing months of October through May, inclusive. Energy consumption must not exceed 7,500 kWh for a single summer billing month, June through September, inclusive.
Type II Service
Distribution customers of BGE not eligible for Type I or whose PJM capacity peak load contribution is less than 600 kW are eligible for Type II Service.