PowerSecure to deliver advanced energy storage and solar for PRECorp, strengthening rural grid resiliency

PowerSecure (NYSE:SO) will design and deliver a utility‑scale battery and solar system for Powder River Energy Corporation (PRECorp) in Moorcroft, Wyoming.

Rhea-AI Summary

PowerSecure (NYSE:SO) will design and deliver a utility‑scale battery and solar system for Powder River Energy Corporation (PRECorp) in Moorcroft, Wyoming. The integrated solution includes a 5 MW battery with 21.6 MWh energy capacity and 1.25 MWdc ground‑mount solar, targeting operations in 2027.

The project aims to strengthen rural grid resiliency, provide backup capacity during outages, improve peak demand management and is expected to reduce PRECorp's annual wholesale power costs by up to $1 million. Construction is expected to take approximately two years.

Positive

• Adds 5 MW battery capacity with 21.6 MWh energy storage
• Includes 1.25 MWdc of ground‑mount solar generation
• Expected annual wholesale cost savings of up to $1 million
• Targets operational readiness in 2027, improving outage backup and peak management

Negative

• Project timeline ~2 years delays materialized savings and reliability benefits until 2027

Argus Apr 17 session

-0.41% close to close Open Argus

Details

News Market Reaction – SO

In the Apr 17 session, SO declined 0.41%, reflecting a mild negative market reaction.

Data tracked by StockTitan Argus on the day of publication.

Market Context

This announcement highlights PowerSecure’s role in advancing rural grid resiliency through a 5 MW, 2...

Analysis

This announcement highlights PowerSecure’s role in advancing rural grid resiliency through a 5 MW, 21.6 MWh battery system and 1.25 MWdc of solar for PRECorp, potentially lowering wholesale power costs by up to $1 million annually. It complements Southern Company’s recent focus on grid investment and large-scale storage projects. Investors may watch execution toward the targeted 2027 in-service date, future project wins, regulatory developments, and how such infrastructure initiatives support long-term reliability and customer affordability.

Key Figures

Wholesale power savings: up to $1 million per year Battery power capacity: 5 MW Battery energy capacity: 21.6 MWh +2 more

Wholesale power savings

up to $1 million per year

Expected annual wholesale power cost reduction for PRECorp members

Battery power capacity

5 MW

Planned battery energy storage system for PRECorp project

Battery energy capacity

21.6 MWh

Total energy capacity of battery storage system

Solar capacity

1.25 MWdc

Ground-mount solar generation paired with storage

Project timeline

operational in 2027

System targeted to be in service after ~two-year build period

Historical Context

5 past events · Latest: Apr 16

5 events

1. Apr 16

   Community partnership

   24h Move

   +0.3%

   Georgia Power partnership to expand access at U.S. Soccer training center.

2. Apr 8

   Workforce initiative

   24h Move

   +0.4%

   Lineworker Appreciation Month highlighting hiring plans and major grid investments.

3. Apr 6

   Grid investment update

   24h Move

   -0.5%

   Update on $1.3B grid program and improved reliability metrics.

4. Mar 31

   Storage construction

   24h Move

   -0.4%

   Start of construction on 260 MW battery storage system in Georgia.

5. Mar 24

   Earnings scheduling

   24h Move

   +0.3%

   Announcement of timetable and call details for Q1 2026 earnings release.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Key Terms

battery energy storage, battery energy storage system, distributed energy infrastructure

3 terms

battery energy storage technical

"advance a utility‑scale battery energy storage and solar generation project in Moorcroft"

A system that stores electrical energy in rechargeable batteries so power can be used later, like a large-scale rechargeable power bank for homes, businesses, or the electricity grid. It matters to investors because it helps smooth out supply and demand, lets operators sell power when prices are higher, backs up critical services during outages, and supports more renewable generation — all of which can create new revenue streams and reduce operational risk.

battery energy storage system technical

"include a 5 MW battery energy storage system with a total energy capacity of 21.6 MWh"

A battery energy storage system is a device that stores electricity for later use, much like a rechargeable battery for a phone or laptop. It allows energy generated during times of low demand or from renewable sources to be saved and released when needed, helping to balance supply and demand. For investors, it represents a way to support reliable energy flow and capitalize on the increasing demand for flexible, clean power solutions.

distributed energy infrastructure technical

"deep expertise in distributed energy infrastructure position the company to help enhance grid resiliency"

Distributed energy infrastructure is the network of smaller, local energy sources and equipment—such as rooftop solar panels, batteries, electric vehicle chargers and neighborhood microgrids—that generate, store or manage power close to where it’s used. For investors it matters because this shift from big central power plants to many local units changes where profits and risks lie, opening new revenue streams, lowering some costs, and exposing businesses to different regulation and technology cycles, much like many small ponds replacing a single reservoir.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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DURHAM, N.C., April 17, 2026 /PRNewswire/ -- PowerSecure, a subsidiary of Southern Company and a leading provider of resilient, innovative energy solutions, is collaborating with Powder River Energy Corporation (PRECorp) and the NRTC to advance a utility‑scale battery energy storage and solar generation project in Moorcroft, Wyo.  

This project is designed to help PRECorp address grid‑level peak demand challenges driven by industrial growth and rural load expansion, while reducing annual power costs for its members and strengthening system reliability through added backup capacity. The system is also expected to help PRECorp reduce annual wholesale power costs by up to $1 million, while delivering critical backup power capacity during outages and extreme conditions.

"This project is about delivering real value for PRECorp's members," said Jim Smith, president of PowerSecure. "By combining battery storage and solar generation, we're helping the cooperative manage peak demand, strengthen reliability and control costs while helping to ensure the system is ready to support future growth."

The integrated solution will include a 5 MW battery energy storage system with a total energy capacity of 21.6 MWh and 1.25 MWdc of ground‑mount solar generation, providing greater operational flexibility and supporting improved peak demand management. 

"Our value to our members, has always been, we have to be a trusted energy partner," said PRECorp CEO Brian Mills. "This entire project is loaded with technology and experience that will equip that very value point that the members have of our cooperative."

Designed to meet the challenges of rising energy demand, the project underscores PowerSecure's ability to deliver resilient, future‑ready energy solutions for rural utilities. The project is expected to take approximately two years, with the system targeted to be operational in 2027.

PowerSecure's commitment to excellence and deep expertise in distributed energy infrastructure position the company to help enhance grid resiliency for PRECorp and the community it serves. By deploying advanced storage and solar technologies, the project will help strengthen system reliability, support long-term affordability and ensure the cooperative is prepared to meet future energy demands with confidence.

About PowerSecure
PowerSecure, a subsidiary of Southern Company, stands at the forefront of the distributed energy infrastructure sector in the United States. With a rich history spanning more than two decades, PowerSecure's dedicated team of professionals has successfully developed, installed, managed and serviced over 2 gigawatts of microgrid capacity. This achievement underscores PowerSecure's commitment to advancing energy solutions that are both efficient and sustainable, having implemented energy efficiency upgrades valued at more than $900 million. To learn more, visit www.powersecure.com.

About Powder River Energy Corporation
Powder River Energy (PRECorp) is a member-owned electrical distribution cooperative serving rural northeast Wyoming. PRECorp is always striving for A-plus member service, great rates, and being a trusted energy partner. PRECorp distributes 1.8 billion kilowatt hours of power to coal mines, oil fields, gas wells and thousands of residential members across more than 15,000 square miles of territory. PRECorp has returned more than $152 million in capital credits to its consumer-members since its founding in 1945.

About NRTC
We are Member Driven and Technology Focused. NRTC provides solutions that help our 1,500 electric and telephone members bring all of the advantages of today's evolving technology to rural America. NRTC's Broadband, Smart Grid, Managed Services and Mobile solutions are developed specifically to meet the needs of rural utilities, their communities and their customers. We help our members build, operate and maximize their critical networks by aggregating their individual buying power to negotiate national contracts and helping them integrate technology solutions with existing infrastructure.

About Southern Company
Southern Company (NYSE: SO) is a leading energy provider serving 9 million customers across the Southeast and beyond through its family of companies. The company has electric operating companies in three states, natural gas distribution companies in four states, a competitive generation company, a leading distributed energy solutions provider with national capabilities, a fiber optics network and telecommunications services.  Our uncompromising values ensure we put the needs of those we serve at the center of everything we do and are the key to our sustained success, driven by nearly 30,000 employees dedicated to delivering exceptional service. To learn more, visit www.southerncompany.com.

View original content to download multimedia:https://www.prnewswire.com/news-releases/powersecure-to-deliver-advanced-energy-storage-and-solar-for-precorp-strengthening-rural-grid-resiliency-302744346.html

SOURCE PowerSecure

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What exactly is PowerSecure (SO) building for PRECorp in Moorcroft, Wyoming?

PowerSecure is delivering a 5 MW battery system (21.6 MWh) and 1.25 MWdc ground‑mount solar array. According to PowerSecure, the integrated system is designed for peak management, backup capacity and cost reduction for PRECorp members.

How much could PRECorp save from the PowerSecure (SO) storage and solar project?

The project is expected to reduce PRECorp's annual wholesale power costs by up to $1 million. According to PowerSecure, that estimate reflects operational and peak‑management savings once the system is online.

When will the PowerSecure (SO) and PRECorp energy project be operational?

The system is targeted to be operational in 2027, with construction expected to take approximately two years. According to PowerSecure, the timeline starts from project initiation and includes installation and commissioning.

What grid benefits will the PowerSecure (SO) battery and solar provide to PRECorp?

The system will strengthen reliability, provide backup during outages and improve peak demand management. According to PowerSecure, combining storage and solar offers greater operational flexibility for the cooperative.

How large is the battery energy storage for the PowerSecure (SO) PRECorp project?

The battery energy storage system is 5 MW with a total energy capacity of 21.6 MWh. According to PowerSecure, that capacity is sized to support peak shaving and provide backup power during extreme conditions.

Will the PowerSecure (SO) project affect PRECorp members' rates immediately?

No immediate rate impact is stated; savings are expected after commissioning, with up to $1 million annual wholesale cost reduction. According to PowerSecure, members should see benefits once the system is operational and online.