Photo Gallery

RRHP Construction Progress

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MRES and WMMPA Directors, city officials and policy makers from Pella (Iowa) stand around the generator rotor for Unit 1 during a tour of RRHP in October.

MRES and WMMPA Directors, city officials and policy makers from Pella (Iowa) stand around the generator rotor for Unit 1 during a tour of RRHP in October.

Directors from both the MRES and Western Minnesota Municipal Power Agency boards, and several city officials, employees, and policy makers from Pella (Iowa) toured the Red Rock Hydroelectric Project (RRHP) in October. The project is expected to be operational in 2020.

Watering Up Tailrace, September 2018.

Penstock 1 Excavation, August 2018.

Installation of turbine guide-bearing seal, August 2018.

Installation of HVAC in powerhouse, August 2018.

Installation of switchboard in powerhouse, August 2018.

Installing 16-inch piping at intake structure, August 2018.

Unit 2 discharge ring/bottom ring installation

Installing Unit 1 outer head cover

Installing Unit 2 facing plates.

Installation of downstream log stop guides

Cleaning and prepping Unit 2 turbine shaft.

Downstream side of dam showing powerhouse with windows installed - June 25, 2018.

Upstream side of dam showing intake construction - June 25, 2018

Inside of powerhouse showing elevation 722 deck and crane installed - June 18, 2018.

Inside of powerhouse showing elevation 722 deck - May 31, 2018.

Load Testing the Crane, May 2018.

Inside of powerhouse showing elevation 722 deck - May 7, 2018.

Downstream side of dam showing powerhouse side walls complete - May 2018.

Downstream side of dam showing powerhouse and penstocks - April 30, 2018

Downstream side of dam - April 30, 2018

In the south corner of the powerhouse at elevation 667 - April 2, 2018.

Powerhouse - March 19, 2018

MRES & WMMPA Board Tour - October 22, 2017.

MRES & WMMPA Board Tour - October 22, 2017.

Preparation of the Generator Floor -September 15, 2017.

Pella West Substation - September 13, 2017.

Intake Structure - September 5, 2017.

Iowa Utilities Board Tour - August 30, 2017.

Dam Face Initial Cut - August 30, 2017.

National Hydropower Association Tour - August 29, 2017.

Unit 2 Spiral Case Rebar Roof Placement - August 30, 2017.

Bridge Deck Placement - August 26, 2017.

Intake Structure Concrete Placement - August 24, 2017.

Placing 1st Concrete Lift - August 24, 2017.

Penstock 1 Steel Liner - August 23, 2017.

Unit 2 - August 23, 2017

Unit 1 - August 23, 2017

Powerhouse Overview - August 23, 2017

Bridge Deck - August 18, 2017.

Penstock 1 Excavation - August 7, 2017.

Powerhouse Overview - August 23, 2017

Unit 2 - July 18, 2017

Unit 2 - July 18, 2017

Powerhouse Backfill - June 26, 2017.

Powerhouse Overview - May 25, 2017.

Downstream side of dam showing stay nose for unit 1 installed - April 26, 2017.

Downstream side of dam showing unit 1 pit liner installation - April 25, 2017.

Downstream side of dam showing secant pile wall removal for penstock - April 7, 2017.

Aerial view of the Red Rock Hydroelectric Project - April 2017.

Aerial view of the Red Rock Hydroelectric Project - April 2017.

Downstream side of dam showing draft tube construction - March 22, 2017.

Downstream side of dam showing penstock excavation and powerhouse construction - March 20, 2017.

Downstream side of dam showing powerhouse construction - March 20, 2017.

Penstock 1 Excavation - March 2017.

Downstream side of dam showing stay ring install - March 9, 2017.

Downstream side of dam showing the stay ring for unit 1 installation - March 8, 2017.

Downstream side of dam showing tailrace construction - March 7, 2017.

Unit 1 Bottom Stay Ring Anchors - February 16, 2017.

Unit 1 Stay Ring - March 10, 2017.

Spiral Case Walls - February 2017.

Setting draft tube liner - December 1, 2016.

Powerhouse construction - November 17, 2016.

View from the bridge, August 2016

RRHP Powerhouse, August 2016

Tailrace on July 7, 2016.

Tailrace, July 7, 2016.

Downstream on June 17, 2016.

Downstream on June 17, 2016.

Powerhouse on May 25, 2106.