electric_service_area

Identification Information

Citation Information

Originator	Anji Auger (MEGIS), Steve Harmon, (comps.)
Publication Date	December, 2009
Title	electric_service_area
Geospatial Data Presentation Form	vector digital data
Publication Place	Augusta ME
Publisher	Maine Office of Geographic Information Systems (MEGIS)
Online Linkage	http://megis.maine.gov/catalog/

Abstract

These data depict authorized service areas of electic utilities in the State of Maine. These data were submitted to the Maine PUC by the various utilities as part of their 2009 reporting requirements under MPUC Rules - Chapter 140.

Purpose

These data were developed to provide Maine State Government staff with a general overview of each represented utility's authorized service area in Maine. Many of these polygons are not exceptionally accurate (spatially) or are of a somewhat undetermined / ill-defined spatial acuracy, so users of these data are STRONGLY cautioned against using these data for scientific or engineering purposes, or to accurately determine utility service in small areas or at single sites - especially in areas near the boundary(ies) of service areas. An example of an appropriate use of these data would be their inclusion in map products designed as educational tools with which to inform an audience about the existence of, as well as the broad, regional nature of service territories.

Supplemental Information

This metadata record only describes data submitted by electric utilities during the 2009 MPUC Chapter 140 Reporting Cycle.

Time Period of Content

Beginning Date	20080101
Beginning Time	unknown
Ending Date	20091231
Ending Time	unknown
Currentness Reference	All data is of 2008 or 2009 vintage, while all analysis and compilation was completed over the time range of 20090501 to 20091130.

Status

Progress	In work
Maintenance and Update Frequency	Irregular (will correct existing data if notified of errors / omissions)

Bounding Coordinates

West Bounding Coordinate	-71.00354
East Bounding Coordinate	-66.85005
North Bounding Coordinate	47.43994
South Bounding Coordinate	42.97109

Keywords

Theme	Authorized Electric Power Utility Service Areas, service area, utility, utilities, electricity (Maine GIS Thesaurus-Theme)
Place	Maine (Maine GIS Thesaurus-Place)

Access Constraints

none

Use Constraints

None: However users should be sure to read, review and understand the purpose for which these data were created to ensure that the dataset is not misused.

Contact Person

Amy Spelke

Contact Organization

Maine Public Utilites Commission

Contact Position

Director of Safety and Security

Address Type

mailing address

Address

18 State House Station

City

Augusta

State or Province

Maine

Postal Code

04333-0018

Country

USA

Contact Voice Telephone

207.287.3831

Contact TDD/TTY Telephone

1.800.437.1220

Contact Facsimile Telephone

207.287.1039

Contact Electronic Mail Address

amy.spelke@maine.gov

Hours of Service

Normal weekday working hours (Eastern US Time Zone)

Contact Instructions

Amy Spelke is the primary contact for general questions regarding this GIS data layer only.Users with questions about the underlying data should direct their questions to the appropriate utility(s).

Data Set Credit

These spatial data were submitted by each utility represented in the dataset and were assembled into final form by Steve Harmon under contract to the Maine PUC.

Security Classification

Unclassified

Native Data Set Environment

Microsoft Windows 2000 Version 5.2 (Build 3790) Service Pack 2; ESRI ArcCatalog 9.3.1.3000

Attribute Accuracy Report

No formal tests were devised for attribute accuracy other than checking transfer of values from the original data sources to the resulting GIS data layers because attribute accuracy was best ascertained by the original contributor (utility) of the source data. See also the Horizontal_Positional_Accuracy_Report.

Logical Consistency Report

Logical consistency checks were conducted during preparation of the spatial features and attributes importation / mapping. Other than the addition of the "legend type" field all attributes are the same as the source datasets. However, source datasets may have included additional attribute fields that were not mapped over to this data layer.

Completeness Report

This dataset is not complete because not all utilities were required to submit data in 2009 under the requirements of Chapter 140.

Horizontal Positional Accuracy Report

Horizontal accuracy varies widely throughout the dataset due to variations in source data accuracy.

Vertical Positional Accuracy Report

N/A

Process Description

Various electrical utilities in Maine submitted digital representations of their service areas in a wide variety of formats (GIS and CAD) to the Maine PUC under the requirements of MPUC Rules Chapter 140.

Process Date

Submission deadline April 1st, 2009

Contact Organization

Various Maine Utilities

Address Type

mailing address

Process Description

Utilized ArcGIS (ArcInfo License Level) to extract / import these data into a file geodatabase set to the State of Maine's standard geospatial parameters (NAD 83 - UTM Zone 19N - Meters)

Process Date

Summer 2009

Contact Organization

Maine Public Utilities Commission

Process Description

Some quality assurance / quality control (qa/qc) work was completed on these data to ensure no obvious problems during data extract / import into the file geodatabase.

Process Date

Summer 2009

Contact Organization

Maine PUC

Process Description

Complete metadata.

Process Date

20091215

Contact Organization

Maine PUC

Process Description

Metadata imported.

Source Used Citation Abbreviation

U:\projects\metadata\PUC\final_metadata\for SDE\electric_service_area.xml

Process Date

20100218

Process Time

09561800

Cloud Cover

Direct Spatial Reference Method

Vector

SDTS Point and Vector Object Type

Entity point

Point and Vector Object Count

Grid Coordinate System Name

Universal Transverse Mercator

UTM Zone Number

Scale Factor at Central Meridian

0.999600

Longitude of Central Meridian

-69.000000

Latitude of Projection Origin

0.000000

False Easting

500000.000000

False Northing

0.000000

Planar Coordinate Encoding Method

Abscissa Resolution

Ordinate Resolution

Planar Distance Units

Horizontal Datum Name

North American Datum of 1983

Ellipsoid Name

Geodetic Reference System 80

Semi-major Axis

6378137

Denominator of Flattening Ratio

298.257

Altitude Resolution

1.000000

Altitude Encoding Method

Explicit elevation coordinate included with horizontal coordinates

Entity Type Label

MEPUC.Electric_Service_Areas

Entity Type Definition

Electrical Utility Service Areas for Maine

Entity Type Definition Source

Maine Public Utilities Commission

Attribute Label

OBJECTID

Attribute Definition

Internal feature number.

Attribute Definition Source

ESRI

Unrepresentable Domain

Sequential unique whole numbers that are automatically generated.

Beginning Date of Attribute Values

Attribute Label

POLY_TYPE

Attribute Definition

Authorized

Attribute Definition Source

Maine Public Utilites Commission

Beginning Date of Attribute Values

Attribute Label

PUC_CODE

Attribute Definition

Public Utility Code

Attribute Definition Source

Maine Public Utilities Commission

Beginning Date of Attribute Values

Attribute Label

UTIL_NAME

Attribute Definition

T & D utility name

Attribute Definition Source

Maine Public Utilities Commission

Beginning Date of Attribute Values

Attribute Label

DISTRICT

Attribute Definition

District service area

Attribute Definition Source

Maine Public Utilities Commission

Beginning Date of Attribute Values

Attribute Label

UTIL_TYPE

Attribute Definition

Utility type

Attribute Definition Source

Maine Public Utilities Commission

Beginning Date of Attribute Values

Attribute Label

OWNER

Attribute Definition

Utility owner

Attribute Definition Source

Maine Public Utilities Commission

Beginning Date of Attribute Values

Attribute Label

SHAPE

Attribute Definition

Feature geometry.

Attribute Definition Source

ESRI

Unrepresentable Domain

Coordinates defining the features.

Beginning Date of Attribute Values

Attribute Label

SHAPE.AREA

Attribute Definition

Area of feature in internal units squared

Attribute Definition Source

ESRI

Beginning Date of Attribute Values

Attribute Label

SHAPE.LEN

Attribute Definition

Length of feature in internal units

Attribute Definition Source

ESRI

Beginning Date of Attribute Values

Contact Organization

(MEGIS) Maine Office of Geographic Information Systems

Contact Person

GIS Coordinator

Contact Position

GIS Coordinator

Address Type

mailing address

Address

State House Station 174

City

Augusta

State or Province

Postal Code

04333-0174

Country

USA

Contact Voice Telephone

207 624-7700

Contact Facsimile Telephone

207 287-3842

Hours of Service

Monday through Friday 0800 - 1700 EST

Resource Description

This datalayer was constructed and constructed from source data sets with widely varing accuracy levels, so it should not be utilized in scientific, engineering, or other critical analysis. Accordingly, this dataset should not be published separately from this metadata, in order to minimize the potential for misuse. It should be made available to other users only as a complete file.

Distribution Liability

Users must assume responsibility to determine the usability of this data for their purposes. Although these data have been processed successfully on a computer system at the Maine Office of Geographic Information Systems, no warranty expressed or implied is made by MEGIS regarding the utility of the data on any other system, nor shall the act of distribution constitute any such warranty. Neither the Maine Office of Geographic Information Systems, nor any of its contributors, is liable for misuse of the data, for damage, for transmission of viruses, or for computer contamination through the distribution of these data sets.

Format Name

ESRI Shapefile

Format Version Number

ARC Version 9.x

Format Specification

ArcView Shapefile Format

Format Information Content

MEGIS has made all vector layers, in the Maine GIS Internet Data Catalog, available in ESRI's ArcView shapefile format. A shapefile is a simple non-topological format that stores the geometry and attribute information for a set of geographic features as a set of vector (point, line, polygon) coordinates. Shapefiles draw quickly and directly in ArcView, ArcGIS, ArcExplorer. Shapefiles are a compatible data type for many other types of GIS software. Three files are fundamental to each shapefile: .shp stores the feature geometry (shape and location information); .shx stores the index of the feature geometry; .dbf a dBASE (TM) file stores the attribute information for the features. Other index files may be created to help speed analysis and query: these file formats are .sbn .sbx .ain .aix .fbn and .fbx. In addition you may find projection .prj, and metadata .xml, files associated with shapefiles.

File Decompression Technique

Data available from this website is in .zip compressed format. WinZip is a Windows based, PKZip-compatible compression utility. You will need a program like this to extract the data. A link to a trial copy WinZip software is available at http://megis.maine.gov/links/.

[accinstr]

These data are available to Internet browsers for download from the Maine GIS Internet Data Catalog - http://megis.maine.gov/catalog/Data available from this website is in .zip compressed format. WinZip is a Windows based, PKZip-compatible compression utility. You will need a program like this to extract the data. A link to a trial copy WinZip software is available at http://megis.maine.gov/links/If you are not already a GIS user, free software for viewing these files is available from Environmental Systems Research Institute, Inc. (ESRI) - www.esri.comSee http://megis.maine.gov/links/ for a link to ArcExplorer 9.x .

Network Resource Name

http://megis.maine.gov/catalog/

Fees

Data may be downloaded from Maine GIS Internet Data Catalog at no charge.

Turnaround

Data is available for immediate download from the Maine GIS Internet Data Catalog.

Technical Prerequisites

None Known

Contact Organization

Maine Office of Geographic Information Systems

Contact Position

GIS Coordinator

Address Type

mailing address

Address

State House Station 174

City

Augusta

State or Province

Postal Code

04333-0174

Country

USA

Contact Voice Telephone

(207) 624-7700

Contact Facsimile Telephone

(207) 287-3842

Hours of Service

Monday through Friday 0800 - 1700 EST

Distribution Liability

Users must assume responsibility to determine the usability of this data for their purposes.

Format Name

ARCSDE

Format Version Number

ArcSDE 9.x

Format Information Content

Oracle 9i

[accinstr]

Please contact the Maine Office of GIS (MEGIS) for access instructions.

Fees

Access is available through Maine's wide area network; WAN users may contact the Maine Office of Information Technology, Maine Office of Geographic Information Systems (MEGIS) for a login.

Metadata Reference Information

Metadata Date

20091221

Metadata Review Date

20091215

Metadata Contact

Contact Person	Amy Spelke
Contact Organization	Maine Public Utilties Commission
Contact Position	Director of Safety and Security
Address Type	mailing address
Address	18 State House Station
City	Augusta
State or Province	ME
Postal Code	04333-0018
Country	USA
Contact Voice Telephone	(207) 287-3831
Contact TDD/TTY Telephone	1 (800) 437-1220
Contact Facsimile Telephone	(207) 287-1039
Contact Electronic Mail Address	amy.spelke@maine.gov
Hours of Service	Normal weekday working hours
Contact Instructions	e-Mail is the preferred contact method.

Metadata Standard Name

FGDC Content Standards for Digital Geospatial Metadata

Metadata Standard Version

FGDC-STD-001-1998

Metadata Time Convention

local time

Online Linkage

http://www.esri.com/metadata/esriprof80.html

Profile Name

ESRI Metadata Profile

[ModDate]

20100924

[ModTime]

13271300

[mdDateSt]

20100924

[Sync]

TRUE