Heating Degree Days definition

Heating Degree Days has the meaning set out in Appendix 2D [Energy];
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Heating Degree Days for a period means the figure obtained or calculated from the Weather Data setting out the extent to which the average outdoor temperature during that period at a Site was less than a mean temperature of +18 degrees Celsius;
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Heating Degree Days for a period means the figure obtained or calculated from the Site Weather Data setting out the extent to which the average outdoor temperature during that period at the Site was less than a mean temperature of +18 degrees Celsius;
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Examples of Heating Degree Days in a sentence

  • For example, on January 5, 1999, the December 1998 futures contract on the CME Chicago HDD Index would have been settled at 940.5 Heating Degree Days.

  • HDD: The final settlement price of Monthly Heating Degree Days (HDD) Index Futures is based on the respective CME HDD Index reported by MDA Information Systems, Inc.

  • The purpose of the Normal Weather Adjustment (“NWA”) is to adjust each customer’s bill for the difference in delivery charges caused by the variation in actual Heating Degree Days (“HDDs”) from normal HDDs during the Winter Period.

  • The range for Cooling Degree day is 1200 to 2200 and the Heating Degree Days is 2200 to 3800.

  • Each gas transportation customer will receive a temperature equation calculated based on its profile information (Daily Delivery Quantity = heat factor X Heating Degree Days + base load quantity).

  • In order to meet the additional heating needs of those in the northern and western portions of Maine, the Grantee uses a sliding scale of allocation based on recorded Heating Degree Days (HDD).

  • Heating Degree Days and Cooling Degree HoursHeat transfer calculations depend fundamentally on the temperature difference between inside and outside temperature.

  • Heating Degree Days: figures may be available either at the national meteorological institute or at the national statistical office.

  • The use of Heating Degree Days (HDD's) is a metric designed to reflect the demand for energy required to heat a building.

  • Historical Climatology Series 5-1: Monthly State, Regional and National Heating Degree- Days Weighted by Population (Includes Aerially Weighted Temperature and Precipitation).


More Definitions of Heating Degree Days

Heating Degree Days has the meaning set out in Section 1.1 of Schedule 8 - Energy; “Indemnified Parties” has the meaning set out in Section 58.1;
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Heating Degree Days for a period means the figure calculated by the Site Weather Monitoring Stations and pursuant to Section 2.2 of this Appendix setting out the extent to which the average outdoor temperature during that period at the Site was greater than a mean temperature of +18 degrees Celsius;
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Heating Degree Days for a period means the figure published by Environment Canada showing the extent to which the average outdoor temperature during that period at Victoria International Airport was less than a mean temperature of +18 degrees Celsius;
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Heating Degree Days means the heating degree days for Philadelphia International Airport as reported by the National Weather Service.
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Heating Degree Days means the number of days in a year for which a dwelling unit needs the production of heat to maintain comfortable living situations.¶
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Related to Heating Degree Days

  • Heating oil means petroleum that is No. 1, No. 2, No. 4-light, No. 4-heavy, No. 5-light, No. 5-heavy, and No. 6 technical grades of fuel oil; other residual fuel oils (including Navy Special Fuel Oil and Bunker C); and other fuels when used as substitutes for one of these fuel oils. Heating oil is typically used in the operation of heating equipment, boilers, or furnaces.

  • Built-Up Area and/or “Covered Area” in relation to a Flat shall mean the floor area of that Flat including the area of balconies and terraces, if any attached thereto, and also the thickness of the walls (external or internal) and the columns and pillars therein Provided That if any wall, column or pillar be common between two Flats, then one-half of the area under such wall column or pillar shall be included in the built-up area of each such Flat.

  • Loading Space means an off-street space or berth on the same lot or parcel with a building or use, or contiguous to a group of buildings or uses, for the temporary parking of a vehicle while loading or unloading persons, merchandise or materials, and which space or berth abuts on a street, alley or other appropriate means of access.

  • Generator Planned Outage means the scheduled removal from service, in whole or in part, of a generating unit for inspection, maintenance or repair with the approval of the Office of the Interconnection in accordance with the PJM Manuals.

  • Working voltage means the highest value of an electrical circuit voltage root-mean-square (rms), specified by the manufacturer, which may occur between any conductive parts in open circuit conditions or under normal operating conditions. If the electrical circuit is divided by galvanic isolation, the working voltage is defined for each divided circuit, respectively.

  • Construction Period means the period commencing from the Appointed Date and ending on the date of the Completion Certificate;

  • medium voltage means the set of nominal voltage levels that lie above low voltage and below high voltage in the range of 1 kV to 44 kV;

  • Mine drainage means any drainage, and any water pumped or siphoned, from an active mining area or a post-mining area. The abbreviation “ml/l” means milliliters per liter.

  • Generating Unit means one or more generating equipment combinations typically consisting of prime mover(s), electric generator(s), electric transformer(s), steam generator(s) and air emission control devices.

  • Plasma arc incinerator means any enclosed device using a high intensity electrical discharge or arc as a source of heat followed by an afterburner using controlled flame combustion and which is not listed as an industrial furnace.

  • Generator Forced Outage means an immediate reduction in output or capacity or removal from service, in whole or in part, of a generating unit by reason of an Emergency or threatened Emergency, unanticipated failure, or other cause beyond the control of the owner or operator of the facility, as specified in the relevant portions of the PJM Manuals. A reduction in output or removal from service of a generating unit in response to changes in market conditions shall not constitute a Generator Forced Outage.

  • Surface impoundment or "impoundment" means a facility or part of a facility which is a natural topographic depression, man-made excavation, or diked area formed primarily of earthen materials (although it may be lined with man-made materials), which is designed to hold an accumulation of liquid wastes or wastes containing free liquids, and which is not an injection well. Examples of surface impoundments are holding, storage, settling, and aeration pits, ponds, and lagoons.

  • Area of shallow flooding means a designated AO or AH Zone on a community's Flood Insurance Rate Map (FIRM) with one percent or greater annual chance of flooding to an average depth of one to three feet where a clearly defined channel does not exist, where the path of flooding is unpredictable and indeterminate; and where velocity flow may be evident. Such flooding is characterized by ponding or sheet flow.

  • Heating fuel means fossil-based heating fuel, including oil,

  • voltage ride through as used herein shall mean the ability of a Small Generating Facility to stay connected to and synchronized with the system or equipment of the Transmission Owner and any Affected Systems during system disturbances within a range of under-voltage and over-voltage conditions, in accordance with Good Utility Practice and consistent with any standards and guidelines that are applied to other generating facilities in the Balancing Authority Area on a comparable basis.

  • Heating Value means the heat released by combustion of one pound of waste or fuel measured in Btu on an as received basis. For solid fuels, the heating value shall be determined by use of ASTM Standard D2015-66.

  • Water Surface Elevation (WSE means the height, in relation to mean sea level, of floods of various magnitudes and frequencies in the floodplains of coastal or riverine areas.

  • low voltage means the set of nominal voltage levels that are used for the distribution of electricity and whose upper limit is generally accepted to be an a.c. voltage of 1000V ( or a d.c. voltage of 1500 V). [SANS 1019]

  • Generator Maintenance Outage means the scheduled removal from service, in whole or in part, of a generating unit in order to perform necessary repairs on specific components of the facility, if removal of the facility meets the guidelines specified in the PJM Manuals.

  • project completion period means the period of sixty (60) months commencing from and expiring on for the construction and obtaining of Temporary Occupation Permit or Permits for the whole of the Development as provided in clause 3.3;

  • Tight-fitting facepiece means a respiratory inlet covering that forms a complete seal with the face.

  • Underground area means an underground room, such as a basement, cellar, shaft or vault, providing enough space for physical inspection of the exterior of the tank situated on or above the surface of the floor.

  • Sanitary Sewer Overflow or “SSO” means any overflow, spill, release, discharge or diversion of untreated or partially treated wastewater from the sanitary sewer system. SSOs include:

  • Calibration gas means a gas mixture used to calibrate gas analysers.

  • Electrical Distance means, for a Generation Capacity Resource geographically located outside the metered boundaries of the PJM Region, the measure of distance, based on impedance and in accordance with the PJM Manuals, from the Generation Capacity Resource to the PJM Region.

  • Scheduled Completion Date shall be the date set forth in Clause 10.3;