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ENSTOR Announces Open Season for Houston Storage Hub Firm Service

ENSTOR Announces Open Season for Houston Storage Hub Firm Service

Click Here  for a PDF version of this press release.

August 18, 2004

ENSTOR, a unit of ScottishPower's PPM Energy Inc., will begin accepting bids immediately for firm storage capacity at its proposed Houston Storage Hub. Non-binding bids are due by 5:00 p.m. CST on Sept. 17, 2004. All parties meeting the minimum threshold bid will be contacted to further negotiate contract specifics by Oct. 1, 2004.

ENSTOR's Houston Storage Hub is proposed to interconnect with 7 interstate and intrastate pipelines and provide firm storage services of approximately 10 annual cycles. Total working storage capacity would be 18 Bcf upon completion of this facility and have a maximum daily deliverability of 1,500,000 MMBtu/d. The ENSTOR Houston Storage Hub could also be utilized as a header system allowing customers to capture value between the various pipeline locations.

Parties interested in bidding for firm storage at the Houston Storage Hub should contact Patrick DeVille at (281) 374-3053 for further information or visit All bids over the minimum threshold will be considered for final awarding.

Art Sasse, Director, Communications & Brand, Iberdrola Renewables, 503-796-7740
Paul Copleman, Media Relations, Iberdrola Renewables, 207-641-2805

About Avangrid

About Avangrid: Avangrid, Inc. (NYSE: AGR) aspires to be the leading sustainable energy company in the United States. Headquartered in Orange, CT with approximately $44 billion in assets and operations in 24 U.S. states, Avangrid has two primary lines of business: networks and renewables. Through its networks business, Avangrid owns and operates eight electric and natural gas utilities, serving more than 3.3 million customers in New York and New England. Through its renewables business, Avangrid owns and operates a portfolio of renewable energy generation facilities across the United States. Avangrid employs approximately 8,000 people and has been recognized by JUST Capital in 2021, 2022, 2023 and 2024 as one of the JUST 100 companies – a ranking of America’s best corporate citizens. In 2024, Avangrid ranked first among utilities and 12 overall. The company supports the U.N.’s Sustainable Development Goals and was named among the World’s Most Ethical Companies in 2024 for the sixth consecutive year by the Ethisphere Institute. Avangrid is a member of the group of companies controlled by Iberdrola, S.A. For more information, visit


About Iberdrola: Iberdrola is one of the world's biggest energy companies and a leader in renewables, spearheading the energy transition to a low carbon economy. The group supplies energy to almost 100 million people in dozens of countries. With a focus on renewable energy, smart networks and smart solutions for customers, Iberdrola’s main markets include Europe (Spain, the United Kingdom, Portugal, France, Germany, Italy and Greece), the United States, Brazil, Mexico and Australia. The company is also present in growth markets such as Japan, Taiwan, Ireland, Sweden and Poland, among others.

With a workforce of nearly 40,000 and assets in excess of €141.7 billion, across the world, Iberdrola helps to support 400,000 jobs across its supply chain, with annual procurement of €12.2 billion. A benchmark in the fight against climate change, Iberdrola has invested more than €130 billion over the past two decades to help build a sustainable energy model, based on sound environmental, social and governance (ESG) principles.

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