{"id":937879,"date":"2026-02-18T08:38:28","date_gmt":"2026-02-18T13:38:28","guid":{"rendered":"https:\/\/www.marketnewsdesk.com\/index.php\/ess-acquires-voltstorage-gmbh-intellectual-property-and-assets-to-advance-flexible-long-duration-energy-storage\/"},"modified":"2026-02-18T08:38:28","modified_gmt":"2026-02-18T13:38:28","slug":"ess-acquires-voltstorage-gmbh-intellectual-property-and-assets-to-advance-flexible-long-duration-energy-storage","status":"publish","type":"post","link":"https:\/\/www.marketnewsdesk.com\/index.php\/ess-acquires-voltstorage-gmbh-intellectual-property-and-assets-to-advance-flexible-long-duration-energy-storage\/","title":{"rendered":"ESS Acquires VoltStorage GmbH Intellectual Property and Assets to Advance Flexible Long-Duration Energy Storage"},"content":{"rendered":"<p>        <!--.bwalignc { text-align: center; list-style-position: inside }\n.bwlistdisc { list-style-type: disc }body {font:normal small Arial,Helvetica,sans-serif;color:#000;background-color:#fff;padding:24px;margin:0;} a img {border:0;} h3 {font-size:medium;color:#000;margin:0 0 1em 0; text-align:center;}-->  <\/p>\n<p class=\"bwalignc\"><b>ESS Acquires VoltStorage GmbH Intellectual Property and Assets to Advance Flexible Long-Duration Energy Storage<\/b><\/p>\n<p class=\"bwalignc\"><i>Acquisition Expands ESS Technology Portfolio and Strengthens Path to Lower-Cost, Scalable Long-Duration Storage<\/i><\/p>\n<p class=\"bwalignc\"><i>Key VoltStorage Executive and Engineering Personnel Join ESS, Strengthening the Commercial and Technical Bench<\/i><\/p>\n<p>WILSONVILLE, Ore.&#8211;(<a href=\"http:\/\/www.businesswire.com\">BUSINESS WIRE<\/a>)&#8211;<br \/>\nESS Tech, Inc. (\u201cESS\u201d or the \u201cCompany\u201d), a leading innovator in long-duration energy storage solutions, today announced the acquisition of the intellectual property and assets of VoltStorage GmbH, a pioneer in iron-salt battery technology. This strategic move combines two complementary technologies to deliver the most flexible, cost-effective long-duration energy storage solution available on the market. The combined platform will set a new industry standard for performance, sustainability, and affordability. This acquisition adds VoltStorage\u2019s portfolio of patents and technical development work to ESS\u2019 robust existing intellectual property base. Through the transaction, ESS also gains access to skilled personnel with deep electrochemistry, materials science, and technology development background.<\/p>\n<p>\nESS believes the combined capabilities will accelerate strategic growth, expand market reach, and position the company at the forefront of long-duration energy storage solutions.<\/p>\n<p>\nThe resulting solution will enable utilities, renewable developers, and industrial customers to discharge energy over extended durations to improve grid reliability and increase the usable value of intermittent renewable generation, delivering the industry\u2019s lowest Levelized Cost of Energy (LCOE).<\/p>\n<p><b>Key Benefits of the Combined Technology:<\/b><\/p>\n<ul class=\"bwlistdisc\">\n<li><b>Flexibility:<\/b> Potential to address a wider range of diverse applications, from grid-scale storage to industrial microgrids.\n<\/li>\n<li><b>Lowest Cost Long-Duration Storage:<\/b> Leveraging abundant, sustainable materials to deliver superior economics.\n<\/li>\n<li><b>Sustainability and Scale:<\/b> Iron-based chemistry ensures environmental responsibility and operational safety.\n<\/li>\n<li><b>Enhanced U.S. Manufacturing Platform<\/b>: Deploys international development expertise at ESS\u2019 American manufacturing facility\n<\/li>\n<\/ul>\n<p>\n\u201cThis acquisition accelerates our mission to provide clean, reliable, and affordable energy storage solutions worldwide,\u201d said Drew Buckley, CEO of ESS. \u201cBy combining decades of iron flow battery expertise across two companies at ESS, we are accelerating innovation to create the most advanced iron-salt battery platform for long-duration storage.\u201d<\/p>\n<p><b>About ESS Tech, Inc.<\/b><\/p>\n<p>\nESS (NYSE: GWH) is the leading manufacturer of long-duration iron flow energy storage solutions. ESS was established in 2011 with a mission to accelerate decarbonization safely and sustainably through longer lasting energy storage. Using easy-to-source iron, salt, and water, ESS iron flow technology enables energy security, reliability and resilience. We build flexible storage solutions that allow our customers to meet increasing energy demand without power disruptions and maximize the value potential of excess energy. For more information visit <a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=http%3A%2F%2Fwww.essinc.com&amp;esheet=54427810&amp;newsitemid=20260218477071&amp;lan=en-US&amp;anchor=www.essinc.com&amp;index=1&amp;md5=e10436d87678272f584f62e51925cf5c\">www.essinc.com<\/a>.<\/p>\n<p><b>Forward-Looking Statements<\/b><\/p>\n<p>\nThis communication contains certain forward-looking statements, including statements regarding ESS and its management team\u2019s expectations, hopes, beliefs, intentions or strategies regarding the future. The words \u201canticipate,\u201d \u201cbelieve,\u201d \u201ccontinue,\u201d \u201ccould,\u201d \u201cestimate,\u201d \u201cexpect,\u201d \u201cintends,\u201d \u201cmay,\u201d \u201cmight,\u201d \u201cplan,\u201d \u201cpossible,\u201d \u201cpotential,\u201d \u201cpredict,\u201d \u201cproject,\u201d \u201cshould,\u201d \u201cwill,\u201d \u201cwould\u201d and similar expressions may identify forward-looking statements, but the absence of these words does not mean that a statement is not forward-looking. Examples of forward-looking statements include, among others, statements regarding the expected integration of the VoltStorage intellectual property and technology, ESS product development and manufacturing, and relationships with customers. These forward-looking statements are based on ESS\u2019 current expectations and beliefs concerning future developments and their potential effects on ESS. Many factors could cause actual future events to differ materially from the forward-looking statements in this communication. There can be no assurance that the future developments affecting ESS will be those that we have anticipated. These forward-looking statements involve a number of risks, uncertainties (some of which are beyond ESS control) or other assumptions that may cause actual results or performance to be materially different from those expressed or implied by these forward-looking statements, which include, but are not limited to, general economic and market conditions as well as geopolitical developments and other risks and uncertainties described more fully in the section titled \u201cRisk Factors\u201d in the Company\u2019s Quarterly Report on Form 10-Q filed on November 13, 2025, and the Company\u2019s other filings with the U.S. Securities and Exchange Commission. Except as required by law, ESS is not undertaking any obligation to update or revise any forward-looking statements whether as a result of new information, future events or otherwise.<\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"https:\/\/cts.businesswire.com\/ct\/CT?id=bwnews&amp;sty=20260218477071r1&amp;sid=flmnd&amp;distro=nx&amp;lang=en\" style=\"width:0;height:0\" \/><span class=\"bwct31415\" \/><\/p>\n<p id=\"mmgallerylink\"><span id=\"mmgallerylink-phrase\">View source version on businesswire.com: <\/span><span id=\"mmgallerylink-link\"><a href=\"https:\/\/www.businesswire.com\/news\/home\/20260218477071\/en\/\" rel=\"nofollow\">https:\/\/www.businesswire.com\/news\/home\/20260218477071\/en\/<\/a><\/span><\/p>\n<p><b>Company<br \/>\n<\/b><br \/><a rel=\"nofollow\" href=\"mailto:investors@essinc.com\">investors@essinc.com<br \/>\n<\/a><\/p>\n<p><b>Investor Relations<br \/>\n<\/b><br \/>Chris Tyson<br \/>\n<br \/>Executive Vice President<br \/>\n<br \/>MZ Group &#8211; MZ North America<br \/>\n<br \/>Phone: (949) 491-8235<br \/>\n<br \/><a rel=\"nofollow\" href=\"mailto:GWH@mzgroup.us\">GWH@mzgroup.us<br \/>\n<\/a><br \/><a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=http%3A%2F%2Fwww.mzgroup.us&amp;esheet=54427810&amp;newsitemid=20260218477071&amp;lan=en-US&amp;anchor=www.mzgroup.us&amp;index=2&amp;md5=5cc55078c1c63bbf03c8a3f000fbdfa6\">www.mzgroup.us<\/a><\/p>\n<p><b>KEYWORDS:<\/b> United States North America Oregon<\/p>\n<p><b>INDUSTRY KEYWORDS:<\/b> Other Manufacturing Environment Technology Other Energy Utilities Manufacturing Sustainability Energy Batteries<\/p>\n<p><b>MEDIA:<\/b><\/p>\n<table cellpadding=\"3\" cellspacing=\"3\">\n<tr>\n<td><font face=\"Arial\" size=\"2\"><b>Logo<\/b><\/font><\/td>\n<\/tr>\n<tr>\n<td><img decoding=\"async\" src=\"https:\/\/mms.businesswire.com\/media\/20260218477071\/en\/2723729\/3\/ESS_Logo_Screen_2017_FullColor_RGB_M.jpg\" alt=\"Logo\" \/><\/td>\n<\/tr>\n<tr>\n<td><font face=\"Arial\" size=\"2\"><\/font><\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>ESS Acquires VoltStorage GmbH Intellectual Property and Assets to Advance Flexible Long-Duration Energy Storage Acquisition Expands ESS Technology Portfolio and Strengthens Path to Lower-Cost, Scalable Long-Duration Storage Key VoltStorage Executive and Engineering Personnel Join ESS, Strengthening the Commercial and Technical Bench WILSONVILLE, Ore.&#8211;(BUSINESS WIRE)&#8211; ESS Tech, Inc. (\u201cESS\u201d or the \u201cCompany\u201d), a leading innovator in long-duration energy storage solutions, today announced the acquisition of the intellectual property and assets of VoltStorage GmbH, a pioneer in iron-salt battery technology. This strategic move combines two complementary technologies to deliver the most flexible, cost-effective long-duration energy storage solution available on the market. The combined platform will set a new industry standard for performance, sustainability, and affordability. This acquisition adds VoltStorage\u2019s portfolio of patents &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.marketnewsdesk.com\/index.php\/ess-acquires-voltstorage-gmbh-intellectual-property-and-assets-to-advance-flexible-long-duration-energy-storage\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;ESS Acquires VoltStorage GmbH Intellectual Property and Assets to Advance Flexible Long-Duration Energy Storage&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-937879","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ESS Acquires VoltStorage GmbH Intellectual Property and Assets to Advance Flexible Long-Duration Energy Storage - Market Newsdesk<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.marketnewsdesk.com\/index.php\/ess-acquires-voltstorage-gmbh-intellectual-property-and-assets-to-advance-flexible-long-duration-energy-storage\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ESS Acquires VoltStorage GmbH Intellectual Property and Assets to Advance Flexible Long-Duration Energy Storage - Market Newsdesk\" \/>\n<meta property=\"og:description\" content=\"ESS Acquires VoltStorage GmbH Intellectual Property and Assets to Advance Flexible Long-Duration Energy Storage Acquisition Expands ESS Technology Portfolio and Strengthens Path to Lower-Cost, Scalable Long-Duration Storage Key VoltStorage Executive and Engineering Personnel Join ESS, Strengthening the Commercial and Technical Bench WILSONVILLE, Ore.&#8211;(BUSINESS WIRE)&#8211; ESS Tech, Inc. (\u201cESS\u201d or the \u201cCompany\u201d), a leading innovator in long-duration energy storage solutions, today announced the acquisition of the intellectual property and assets of VoltStorage GmbH, a pioneer in iron-salt battery technology. This strategic move combines two complementary technologies to deliver the most flexible, cost-effective long-duration energy storage solution available on the market. The combined platform will set a new industry standard for performance, sustainability, and affordability. This acquisition adds VoltStorage\u2019s portfolio of patents &hellip; Continue reading &quot;ESS Acquires VoltStorage GmbH Intellectual Property and Assets to Advance Flexible Long-Duration Energy Storage&quot;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.marketnewsdesk.com\/index.php\/ess-acquires-voltstorage-gmbh-intellectual-property-and-assets-to-advance-flexible-long-duration-energy-storage\/\" \/>\n<meta property=\"og:site_name\" content=\"Market Newsdesk\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-18T13:38:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cts.businesswire.com\/ct\/CT?id=bwnews&amp;sty=20260218477071r1&amp;sid=flmnd&amp;distro=nx&amp;lang=en\" \/>\n<meta name=\"author\" content=\"Newsdesk\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Newsdesk\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/ess-acquires-voltstorage-gmbh-intellectual-property-and-assets-to-advance-flexible-long-duration-energy-storage\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/ess-acquires-voltstorage-gmbh-intellectual-property-and-assets-to-advance-flexible-long-duration-energy-storage\\\/\"},\"author\":{\"name\":\"Newsdesk\",\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/#\\\/schema\\\/person\\\/482f27a394d4fda80ecb5499e519d979\"},\"headline\":\"ESS Acquires VoltStorage GmbH Intellectual Property and Assets to Advance Flexible Long-Duration Energy Storage\",\"datePublished\":\"2026-02-18T13:38:28+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/ess-acquires-voltstorage-gmbh-intellectual-property-and-assets-to-advance-flexible-long-duration-energy-storage\\\/\"},\"wordCount\":758,\"image\":{\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/ess-acquires-voltstorage-gmbh-intellectual-property-and-assets-to-advance-flexible-long-duration-energy-storage\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/cts.businesswire.com\\\/ct\\\/CT?id=bwnews&amp;sty=20260218477071r1&amp;sid=flmnd&amp;distro=nx&amp;lang=en\",\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/ess-acquires-voltstorage-gmbh-intellectual-property-and-assets-to-advance-flexible-long-duration-energy-storage\\\/\",\"url\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/ess-acquires-voltstorage-gmbh-intellectual-property-and-assets-to-advance-flexible-long-duration-energy-storage\\\/\",\"name\":\"ESS Acquires VoltStorage GmbH Intellectual Property and Assets to Advance Flexible Long-Duration Energy Storage - 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(\u201cESS\u201d or the \u201cCompany\u201d), a leading innovator in long-duration energy storage solutions, today announced the acquisition of the intellectual property and assets of VoltStorage GmbH, a pioneer in iron-salt battery technology. This strategic move combines two complementary technologies to deliver the most flexible, cost-effective long-duration energy storage solution available on the market. The combined platform will set a new industry standard for performance, sustainability, and affordability. This acquisition adds VoltStorage\u2019s portfolio of patents &hellip; Continue reading \"ESS Acquires VoltStorage GmbH Intellectual Property and Assets to Advance Flexible Long-Duration Energy Storage\"","og_url":"https:\/\/www.marketnewsdesk.com\/index.php\/ess-acquires-voltstorage-gmbh-intellectual-property-and-assets-to-advance-flexible-long-duration-energy-storage\/","og_site_name":"Market Newsdesk","article_published_time":"2026-02-18T13:38:28+00:00","og_image":[{"url":"https:\/\/cts.businesswire.com\/ct\/CT?id=bwnews&amp;sty=20260218477071r1&amp;sid=flmnd&amp;distro=nx&amp;lang=en","type":"","width":"","height":""}],"author":"Newsdesk","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Newsdesk","Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.marketnewsdesk.com\/index.php\/ess-acquires-voltstorage-gmbh-intellectual-property-and-assets-to-advance-flexible-long-duration-energy-storage\/#article","isPartOf":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/ess-acquires-voltstorage-gmbh-intellectual-property-and-assets-to-advance-flexible-long-duration-energy-storage\/"},"author":{"name":"Newsdesk","@id":"https:\/\/www.marketnewsdesk.com\/#\/schema\/person\/482f27a394d4fda80ecb5499e519d979"},"headline":"ESS Acquires VoltStorage GmbH Intellectual Property and Assets to Advance Flexible Long-Duration Energy Storage","datePublished":"2026-02-18T13:38:28+00:00","mainEntityOfPage":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/ess-acquires-voltstorage-gmbh-intellectual-property-and-assets-to-advance-flexible-long-duration-energy-storage\/"},"wordCount":758,"image":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/ess-acquires-voltstorage-gmbh-intellectual-property-and-assets-to-advance-flexible-long-duration-energy-storage\/#primaryimage"},"thumbnailUrl":"https:\/\/cts.businesswire.com\/ct\/CT?id=bwnews&amp;sty=20260218477071r1&amp;sid=flmnd&amp;distro=nx&amp;lang=en","inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.marketnewsdesk.com\/index.php\/ess-acquires-voltstorage-gmbh-intellectual-property-and-assets-to-advance-flexible-long-duration-energy-storage\/","url":"https:\/\/www.marketnewsdesk.com\/index.php\/ess-acquires-voltstorage-gmbh-intellectual-property-and-assets-to-advance-flexible-long-duration-energy-storage\/","name":"ESS Acquires VoltStorage GmbH Intellectual Property and Assets to Advance Flexible Long-Duration Energy Storage - 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