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CPS ENERGY LAUNCHES UPDATED CASA VERDE WEATHERIZATION REBATE PROGRAM  by Miguel Vargas

New version of program expands local contractor participation and gives customers more flexibility 

October 28, 2025 (SAN ANTONIO) – CPS Energy has launched a new version of the Casa Verde Weatherization Rebate Program, designed to help income-qualified customers reduce their energy use and lower their monthly bills. The program introduces expanded contractor participation and gives customers more choices in how they receive services. 

The Casa Verde program has provided weatherization services to improve comfort and energy efficiency since 2009. Under the new rebate program, CPS Energy customers work directly with a registered Trade Ally. A registered Trade Ally is a contractor who meets certain program requirements to participate and perform weatherization services, helping customers save energy and money.   

Under the new rebate structure, customers and their selected Trade Ally can decide together how the rebate will be applied. Customers may choose to receive the rebate directly after the work is completed and they’ve paid the Trade Ally, or they can assign it to the Trade Ally up front to reduce or eliminate out-of-pocket costs for approved weatherization upgrades. This customer-centered approach empowers residents to select a contractor that best fits their needs and schedule. 

CPS Energy will verify eligibility and confirm the customer’s Trade Ally selection. The Trade Ally will then schedule a home assessment to identify eligible weatherization upgrades with the customer and complete the approved work, and then CPS Energy will issue the rebate for the weatherization upgrades. 

The updated Casa Verde program provides several new benefits for customers: 

• Participants can now choose their preferred Trade Ally to complete their home upgrades, giving them more control over who performs the work.  

• Customers can apply online through a simplified process that makes it easier to get started. 

• The list of available rebates has expanded to include: 

• Window air conditioners  

• HVAC system replacements 

• ENERGY STAR appliances 

“Casa Verde has been a cornerstone of our commitment to help customers save energy and money,” said Jonathan Tijerina, Vice President of Corporate Development. “This new rebate model continues that work by engaging more local partners to deliver these important services and gives our customers a say in who they work with.” 

The Weatherization Repair Assistance Program (WRAP) will remain active providing funding for minor home repairs that help prepare homes for Casa Verde weatherization upgrades. WRAP ensures homes are ready to receive energy-saving improvements by addressing structural issues that might otherwise prevent weatherization work. 

To get started, customers can visit cpsenergy.com/casaverde to complete an online application or call us at (210) 353-2272 (CASA) for more information. CPS Energy will continue to oversee the program and make sure that all participating Trade Allies maintain program eligibility. Customers can find a list of official Registered Trade Allies on our website. 

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September 30, 2025 (SAN ANTONIO) – CPS Energy, the nation’s largest municipally owned electric and natural gas utility, is announcing the beginning of operations of Padua 1, a 50-megawatt (MW) 2-hour duration Battery Energy Storage System (BESS) in Bexar County. Padua 1, owned and operated by Eolian, L.P. (Eolian), was part of an RFP seeking 50 MW of battery storage that the utility launched in 2020.  CPS Energy entered into a storage capacity agreement for Padua 1 with Eolian in 2023. This project advances the utility’s Vision 2027 strategy, which emphasizes delivering reliable, resilient, and cleaner energy solutions to meet the needs of San Antonio’s growing population.

Padua 1 connects directly to the CPS Energy grid and is designed to charge during periods of excess electricity supply to provide capacity that would be readily available to deploy during the hours of highest system cost and needs. This added flexibility to both absorb and discharge electricity within seconds helps strengthen grid reliability, improves system operations during peak usage, and supports the integration of cleaner energy resources, especially during extreme weather and high energy demand days.

“Padua 1 is a major step forward for our utility and our community,” said Rudy D. Garza, President and CEO of CPS Energy. “It’s the first energy storage project as part of our diverse generation plan to come online, and it sets the tone for what’s ahead. Battery storage strengthens our ability to continue to serve our customers reliably now and in the future.” 

“The overall Padua Grid battery energy storage complex, which will total 400 MW and nearly 2 GWh when completed in early 2026, will be the largest battery energy storage deployment in Texas when completed,” added Aaron Zubaty, CEO of Eolian. “Padua Grid was sited years ago at a critical substation adjacent to the JK Spruce and retiring Braunig power plants and was specifically designed to reduce overloads on key transmission lines serving San Antonio. Battery energy storage projects of this scale enable the efficient utilization of existing transmission resources and are the lowest-cost and fastest solution to meeting the nation’s strategic need to grow electricity production by allowing baseload power plants to operate better.”   

The completion of Padua 1 follows CPS Energy’s 2024 announcement of agreements for an additional 350 MW of battery energy storage capacity, which includes Padua 2, a 150 MW 4-hour system, and Ferdinand, a 200 MW 4-hour system; both projects were also developed by Eolian. Padua 2, also located in Bexar County, is expected to be completed in Spring 2026. As part of a related community benefits agreement, the project entities will contribute at least $175,000 each year to CPS Energy-sponsored activities and scholarships within the Greater San Antonio area for a five-year period once the projects are fully operational.  In addition, in alignment with its community impact program, Eolian contributed $50,000 in 2024 to CPS Energy’s Residential Energy Assistance Program to provide further bill support for customers in the San Antonio area.

About CPS Energy

Established in 1860, CPS Energy is the nation’s largest public power, natural gas, and electric company, providing safe, reliable, and competitively-priced service to more than 950,000 electric and 389,000 natural gas customers in San Antonio and portions of seven adjoining counties. Our customers’ combined energy bills rank among the lowest of the nation’s 20 largest cities – while generating $9.6 billion in revenue for the City of San Antonio for 80 years. As a trusted and strong community partner, we continuously focus on job creation, economic development, and educational investment. We are powered by our skilled workforce, whose commitment to the community is demonstrated through our employees’ volunteerism in giving back to our city and programs aimed at bringing value to our customers. CPS Energy is among the top public power wind energy buyers in the nation and number one in Texas for solar generation. 

About Eolian

Eolian operates a growing portfolio of battery energy storage projects and develops and invests in clean energy and co-located datacenter projects across the US. For over 20 years, Eolian’s founding management has worked together to build the assets at the core of the company, creating unique and proprietary structures that have directly funded the development of nearly 30 GW of operating or under-construction energy storage, solar, and wind generating capacity across the country. Eolian is owned by its employees and funds that are managed by Global Infrastructure Partners (GIP), a BlackRock company and leading global infrastructure investor. For more information, follow Eolian on LinkedIn or visit www.eolianenergy.com.

SAN ANTONIO, Texas- September 24, 2025- Today, CPS Energy announced the closing on its acquisition of PROENERGY’s four natural gas power generation facilities with an aggregate electric capacity of approximately 1,632 megawatts (“MW”) for $1.387 billion, subject to customary net working capital adjustments. CPS Energy and PROENERGY previously announced the transaction on Sept. 16, 2025.

The assets acquired include state-of-the-art, recently constructed peaking natural gas plants in Harris, Brazoria, and Galveston counties in the Electric Reliability Council of Texas (“ERCOT”) market. Under the terms of agreements between the parties, PROENERGY will continue to staff, operate, and maintain the acquired units, enabling safe and reliable operation and maintenance of the power plants.

The acquired assets are dual-fuel capable, providing CPS Energy future optionality to transition to a hydrogen fuel blend with favorable carbon emissions. By acquiring recently constructed, currently operating modern power plants that utilize proven technology already in use by CPS Energy, the company avoids higher construction costs, inflationary risk, and supply chain risks associated with building new facilities.

“The closing of this strategic acquisition marks yet another major step in strengthening the reliability and affordability of our generation portfolio,” said Rudy D. Garza, President and CEO of CPS Energy. “This investment benefits our customers today while supporting our long-term energy plan and clean energy commitments.”

J.P. Morgan acted as exclusive financial advisor and Dykema Gossett PLLC acted as legal advisor to CPS Energy with respect to the transaction. CIBC Capital Markets served as exclusive financial advisor and Latham & Watkins LLP served as legal advisor to PROENERGY.

About CPS Energy  

Established in 1860, CPS Energy is the nation’s largest public power, natural gas, and electric company, providing safe, reliable, and competitively-priced service to more than 950,000 electric and 389,000 natural gas customers in San Antonio and portions of seven adjoining counties. Our customers’ combined energy bills rank among the lowest of the nation’s 20 largest cities – while generating $9.6 billion in revenue for the City of San Antonio for 80 years. As a trusted and strong community partner, we continuously focus on job creation, economic development, and educational investment. We are powered by our skilled workforce, whose commitment to the community is demonstrated through our employees’ volunteerism in giving back to our city and programs aimed at bringing value to our customers. CPS Energy is among the top public power wind energy buyers in the nation and number one in Texas for solar generation. 

About PROENERGY

PROENERGY is an engineering, R&D, and manufacturing powerhouse. The company addresses every need for fast-start power generation: turbine and package manufacturing, turnkey project execution, power purchase agreements, and asset lifecycle care for turbines and plants. Where others see impossible energy challenges, PROENERGY provides innovative aeroderivative solutions.

Contacts:

CPS Energy

Melissa C. Sorola, VP Corporate Communications & Marketing

msorola@cpsenergy.com

210-793-9054

PROENERGY

Chris Evans, VP Marketing

cevans@proenergyservices.com

(660) 829-5100