Maine Power

Construction Info

Clinton, Maine

Clinton, Maine

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In Clinton, the project primarily involves the construction of a new 345 kV transmission line and the rebuilding of a 115 kV transmission line in an existing corridor that traverses the central portion of the town and extends for approximately 6 miles from Pittsfield to Benton.

The construction of a new 345 kV transmission line will take place on the northwest side of the existing corridor next to the existing 115kV line, typically using 2-pole H-frame structures that will be approximately 75 feet in height.

Approximately one mile of the existing corridor, where it crosses Mutton Lane, will be relocated to an area closer to Interstate 95. The existing 115 kV line in this area will be rebuilt using seventeen single pole wooden structures that will be approximately 75 feet in height.

Construction has been completed in Clinton.

Permits & Approvals

Clinton Permit Approval


Approval of permit by planning board
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Clinton Permit Application


Application submitted to town for necessary permits
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News & Events

New Milestone Reached on CMP's Maine Power Reliability Program

March 23, 2015

After Five Years of Construction, Last New Transmission Structure Set
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MPRP is nearly 95 percent complete

August 14, 2014

Crews set 5,000th structure in Bowdoinham
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Construction in Westbrook

April 4, 2014

Working outside of the Spring Street Substation
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Section 160 in South Portland

March 3, 2014

115-kV transmission line upgrade
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Central Maine Power Company and Burns & McDonnell receive award for MPRP

february 04, 2014

American Cultural Resources Association Industry Award – Private Sector
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Major Milestone Reached in Northern Loop

November 07, 2013

4,000th Structure Installed
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Final wood pole delivery for Maine Power Reliability Program

July 10, 2013

Poles were received at Irby materials yard in Leeds, Maine
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Post-construction update on the new 345kV transmission line from Benton to Detroit

July 01, 2013

Restoration activities are complete in Pittsfield and Clinton
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1,500th structure has been set in the Central Loop

June 25, 2013

Structure is set off Bonin Road in Monmouth
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Southern Loop/Southern Connector achieves milestone

June 21, 2013

500th structure set in Saco
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Seacost Media reports on Maguire Road Substation autotransformer delivery

May 23, 2013

Transformed By Jennifer Feals
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CMP Marks Milestones of its Maine Power Reliability Program

May 20, 2013

Governor LePage and others praise the project for customer benefits and contributions to Maine’s economy
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Section 67 115kV transmission line energization

May 2, 2013

Section 67 if re-energized between Detroit, Maine and Benton, Maine
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MPRP sets 3,000th structure

May 13, 2013

Structure in Frankfort marks MPRP milestone
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Section 229, a 115kV transmission line, is energized

May 13, 2013

Section 229 connects Riley Substation in Jay, to the Rumford IP Substation in Rumford
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Transformer deliveries featured in Transmission & Distribution World

May 10, 2013

Two Large Autotransformers Due to Arrive in Maine
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CMP Energizes 345,000 Volt Substation in Benton, Maine

May 02, 2013

New Substation and Transmission Line Will Enhance Service for CMP Customers
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L.E. Myers act of altruism

April 15, 2013

MPRP contractor donates poles to new Lineworker Facility at KVCC
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Wire operations continue in Pittsfield for new 345kV transmission line

April 01, 2013

Post construction restoration work has begun in Benton and Clinton
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Attention to those considering using ATVs on the MPRP corridors

March 26, 2013

Maine officials warn 'mudders' to use caution
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Wire installation continues on new 345kV transmission line

March 18, 2013

Wire installation to occur near I-95 in Clinton
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Pole installation complete on new 345kV transmission line from Pittsfield to Albion Road in Benton

February 25, 2013

Wire installation is ongoing in Benton, Clinton, and Pittsfield
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345kV structures have been set in Clinton, Burnham, and Benton

February 15, 2013

Wire stringing for the new 345kV transmission line is underway
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Milestone reached in Northern Loop

January 22, 2013

1,000 pole set in Winterport
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High concentration of construction in Clinton

January 11, 2013

Poll setting activities in Clinton and Pittsfield
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CMP powers up Larrabee Road Substation in Lewiston

December 20, 2012

Featured in Sun Journal
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Larrabee Road Substation is energized

December 20, 2012

WCSH 6 & WLBZ 2 News Center reports on this major milestone
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345kV T-Line construction update for Benton, Clinton and Pittsfield

December 14, 2012

Pole setting complete from Benton to Hinckley Road in Clinton
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What you should know about winter recreation in CMP’s corridors

December 12, 2012

Be Safe, Be Cautious, Be Aware…check for Trail Alerts
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Excavation work and pole operations in Clinton and Benton

November 07, 2012

Construction of 345kV transmission line continues
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Improving the reliability of CMP’s transmission system

October 23, 2012

Construction is now under way at the Livermore Falls Substation
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Crews continue to work south from Pittsfield to Benton

October 17, 2012

Construction of 345kV transmission line continues
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Supporting sportsmen

October 17, 2012

MPRP meets with SAM
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1000 pole set in the Central Loop

October 04, 2012

The pole was set in Lewiston by the new Larrabee Road Substation
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MPRP announces the mechanical completion of two new substations

October 02, 2012

Larrbee Road Substation in Lewiston and Raven Farm Substation in Cumberland
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MPRP is featured in the Journal Tribune

September 24, 2012

CMP begins work on Kennebunk substation
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345kV transmission line construction from Pittsfield to Benton

September 13, 2012

Foundation work in Clinton and Benton
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Maguire Road Substation makes the Bangor Daily News

September 13, 2012

CMP breaks ground on $30M substation in Kennebunk
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CMP Transmission Line Construction Project Marks Milestone

August 29, 2012

Crews Set 2,000th Structure
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Crew of Albion Road Substation meets Wellness Challenge Initiative

July 12, 2012

Crew collected donations and food for The Waterville Food Pantry
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Completing towers marks another MPRP milestone

July 10, 2012

CMP Completes Construction of Transmission Towers Over Penobscot River
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Bangor Daily News reports on MPRP construction over Penobscot River

June 26, 2012

Article highlights construction of lattice towers with the aid of a helicopter
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Central Maine Power Energizes First Electrical Substation for Maine Power Reliability Program

June 04, 2012

Advanced Technology a Milestone for CMP and Iberdrola USA
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Autotransformer arrives at Larrabee Road Substation

May 23, 2012

The arrival of the Larrabe Road Substation marks MPRP Milestone
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Portland Press Herald reports on MPRP Milestone!

May 16, 2012

The delivery of the Larrabee Road Substation Autotransformer
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Delivery of Larrabee Road Substation Autotransformer Saturday, May 19

May 12, 2012

Attention travelers! Possible delays on Route 202 between Greene and Lewiston
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Bangor Daily News reports on the progress of the MPRP

May 02, 2012

CMP’s $1.4 billion upgrade project on schedule and budget
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Construction in Clinton

March 05, 2012

Installation of a new 345 kV line
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Construction of the 345 kV line continues in Pittsfield

February 12, 2012

Construction moves south from Hartland Avenue towards the Clinton town line
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Line rebuild complete from Detroit/Pittsfield to Mutton Lane in Clinton

September 09, 2011

Crews completed rebuilding the existing 115-kV line from Detroit SS to Mutton Lane in Clinton, continue southward.
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Crew Saves Detroit Barn

August 10, 2011

Anthony Iannello and Jared Haney, L.E. Myers Co., fought a barn fire on Troy Rd. in Detroit while returning from MPRP jobsite.
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Albion Road Autotransformer Delivered

August 11, 2011

Photos of the massive 345-kV autotransformer being delivered to Benton from Searsport.
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Line construction is completed in Pittsfield

July, 28 2011

Line construction is completed in Pittsfield
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Transmission & Distribution World features MPRP!

July 15, 2011

"Jobs Meet Reliability" - How the MPRP is Strengthening Maine's Grid and Economy
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CMP donates Mud Pond to Stanton Bird Club

July 15, 2011

241 acres of land surrounding Mud Pond in Monmouth transferred for conservation
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CMP's Policies Manage Osprey Nests Responsibly

July 12, 2011

Hundreds of ospreys nest on our utility poles. We share your concerns for the safety of these birds, and our company has policies and personnel in place to manage these nests responsibly.
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Rebuild of Section 67 in Clinton

July 11, 2011

Crews erected new Section 67 structures near Mutton Lane and I-95 in Clinton, preparing to string conductor
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Section 67 Rebuild in Pittsfield, Clinton

July 1, 2011

The reconstruction of Section 67 continues between Hartland Ave. in Pittsfield in Mutton Lane in Clinton
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Transmission Line Construction in Pittsfield

June 13, 2011

The rebuilding of Section 67 continues as crews prepare the corridors for the installation of a new line.
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Herald/Telegram Feature: CMP & Local Timber Mat Producers

June 10, 2011

Portland Press Herald/ Maine Sunday Telegram article highlights work of local timber mat suppliers for the MPRP
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Clearing near completion from Benton to Pittsfield


Clearing in Benton, Clinton and Pittsfield is near completion. Crews are trimming and mowing, with limited clearing on hold until road postings are lifted.
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Clearing Mutton Lane to Johnson Flat Road


Crews are completing clearing activities between Mutton Lane and Johnson Flat Road
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