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Rates in Action

Little Falls Powerhouse Redevelopment

Our Little Falls dam has been generating renewable, low-cost power for more than 100 years, with equipment ranging from 60 to more than 100 years old. This multi-year project is replacing the unreliable equipment and modernizing the station service so that we can continue to provide reliable service for our customers. In 2016, work is underway to disassemble the second of four generating units and reassemble with new equipment, as well as the installation of a new downstream warning system.  




Nine Mile Redevelopment

We are in the midst of a multi-year project to rehabilitate the Nine Mile Powerhouse, which is 108-years-old. The project is underway to replace turbine-generator units, and other equipment that will increase the generation of clean, renewable, low-cost power.  In 2013, the last two (of four) original turbine-generating units were removed to make way for the new, more efficient units. Work in the powerhouse to install the new units began in 2014 along with a new warehouse, barge dock and crane pad.  




 Post Falls South Channel Dam Upgrades    

 In 2016, Avista completed a two-year project that refurbished and upgraded the Post Falls South Channel Dam, one of three dams that make up the Post Falls Hydroelectric Development. The project included replacing the original concrete with new concrete facing that helps control water levels of Lake Coeur d’Alene and parts of three rivers, six new spill gates, frames and hoists along with a new spillway control system and electrical distribution that enable the structure to continue its role in generating reliable, clean and low-cost renewable energy.




Natural Gas Pipe Replacement  

Avista continues a major project to systematically replace portions of older natural gas distribution pipe. The project is replacing hundreds of miles of natural gas pipeline to support a continuation of reliable service for our customers. In 2016, work will take place across all three states we serve, including Spokane, WA, Genesee, ID, Klamath Falls, OR and more. Learn more about this work and view all locations scheduled for 2016 here.



Washington Advanced Metering Infrastructure 

Avista continues to invest in modernizing our grid to meet current and future energy needs. In 2016, Avista is planning for the future deployment of Advanced Metering Infrastructure (AMI) in Washington. This multi-year AMI project includes installation of advanced meters in the future.

Advanced meters allow for two-way communication between Avista and customers. The technology creates the foundation for future customer benefits, including faster outage detection and restoration of service, plus near real-time energy use information and energy usage alerts. These capabilities will allow customers to better understand and manage their energy use.

Natural Gas Infrastructure in Oregon

Current efforts to systematically maintain and replace our natural gas infrastructure are underway across our service territory. This work is important to maintain the integrity of our system and so that we can continue to provide the reliable energy our customers expect. Examples of projects in Oregon include:

·         The continuation of a major project to systematically replace portions of natural gas distribution pipe. The project is replacing hundreds of miles of natural gas pipeline that was installed prior to 1987.

·         Completion of a pipeline reinforcement project in La Grande to meet current and future natural gas delivery needs.

·         Rerouting of a high pressure pipeline in Klamath Falls that crosses a fault line near a school.


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