{"id":449606,"date":"2026-06-10T10:01:10","date_gmt":"2026-06-10T17:01:10","guid":{"rendered":"https:\/\/climatescience.press\/?p=449606"},"modified":"2026-06-10T10:01:12","modified_gmt":"2026-06-10T17:01:12","slug":"u-s-nuclear-acceleration-effort-hits-milestone-with-antares-criticality-test","status":"publish","type":"post","link":"https:\/\/climatescience.press\/?p=449606","title":{"rendered":"U.S. Nuclear Acceleration Effort Hits Milestone with Antares Criticality Test"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"723\" height=\"405\" data-attachment-id=\"449610\" data-permalink=\"https:\/\/climatescience.press\/?attachment_id=449610\" data-orig-file=\"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/AQMel9d7OE0Bo7XVbUuNIbGihPE0fNDHEyMosbbGCeV1JbptgCNoHXNFKWN-aoKEEuCaAETmVGkfvosRmoySCKMxsi0F6F7U0y4ViqphSD528TQR9kniRHHzef1mWw.jpeg?fit=1491%2C836&amp;ssl=1\" data-orig-size=\"1491,836\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;,&quot;alt&quot;:&quot;&quot;}\" data-image-title=\"AQMel9d7OE0Bo7XVbUuNIbGihPE0fNDHEyMosbbGCeV1JbptgCNoHXNFKWN-aoKEEuCaAETmVGkfvosRmoySCKMxsi0F6F7U0y4ViqphSD528TQR9kniRHHzef1mWw\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/AQMel9d7OE0Bo7XVbUuNIbGihPE0fNDHEyMosbbGCeV1JbptgCNoHXNFKWN-aoKEEuCaAETmVGkfvosRmoySCKMxsi0F6F7U0y4ViqphSD528TQR9kniRHHzef1mWw.jpeg?fit=723%2C405&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/AQMel9d7OE0Bo7XVbUuNIbGihPE0fNDHEyMosbbGCeV1JbptgCNoHXNFKWN-aoKEEuCaAETmVGkfvosRmoySCKMxsi0F6F7U0y4ViqphSD528TQR9kniRHHzef1mWw.jpeg?resize=723%2C405&#038;ssl=1\" alt=\"\" class=\"wp-image-449610\" srcset=\"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/AQMel9d7OE0Bo7XVbUuNIbGihPE0fNDHEyMosbbGCeV1JbptgCNoHXNFKWN-aoKEEuCaAETmVGkfvosRmoySCKMxsi0F6F7U0y4ViqphSD528TQR9kniRHHzef1mWw.jpeg?resize=1024%2C574&amp;ssl=1 1024w, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/AQMel9d7OE0Bo7XVbUuNIbGihPE0fNDHEyMosbbGCeV1JbptgCNoHXNFKWN-aoKEEuCaAETmVGkfvosRmoySCKMxsi0F6F7U0y4ViqphSD528TQR9kniRHHzef1mWw.jpeg?resize=300%2C168&amp;ssl=1 300w, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/AQMel9d7OE0Bo7XVbUuNIbGihPE0fNDHEyMosbbGCeV1JbptgCNoHXNFKWN-aoKEEuCaAETmVGkfvosRmoySCKMxsi0F6F7U0y4ViqphSD528TQR9kniRHHzef1mWw.jpeg?resize=768%2C431&amp;ssl=1 768w, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/AQMel9d7OE0Bo7XVbUuNIbGihPE0fNDHEyMosbbGCeV1JbptgCNoHXNFKWN-aoKEEuCaAETmVGkfvosRmoySCKMxsi0F6F7U0y4ViqphSD528TQR9kniRHHzef1mWw.jpeg?resize=640%2C359&amp;ssl=1 640w, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/AQMel9d7OE0Bo7XVbUuNIbGihPE0fNDHEyMosbbGCeV1JbptgCNoHXNFKWN-aoKEEuCaAETmVGkfvosRmoySCKMxsi0F6F7U0y4ViqphSD528TQR9kniRHHzef1mWw.jpeg?resize=1200%2C673&amp;ssl=1 1200w, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/AQMel9d7OE0Bo7XVbUuNIbGihPE0fNDHEyMosbbGCeV1JbptgCNoHXNFKWN-aoKEEuCaAETmVGkfvosRmoySCKMxsi0F6F7U0y4ViqphSD528TQR9kniRHHzef1mWw.jpeg?w=1491&amp;ssl=1 1491w\" sizes=\"auto, (max-width: 723px) 100vw, 723px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">From <a href=\"https:\/\/wattsupwiththat.com\/2026\/06\/08\/u-s-nuclear-acceleration-effort-hits-milestone-with-antares-criticality-test\/\">Watts Up With That?<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/legalinsurrection.com\/2026\/06\/u-s-nuclear-acceleration-effort-hits-milestone-with-antares-criticality-test\/\">From Legal Insurrection<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>The first time in roughly four decades that a privately developed, non\u2011light\u2011water advanced reactor has gone critical in the U.S.<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Posted by&nbsp;<a href=\"https:\/\/legalinsurrection.com\/author\/leslieeastman\/\">Leslie Eastman<\/a>&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The quiet revolution in American energy just cleared a major technical hurdle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">At Idaho National Laboratory, Antares Nuclear\u2019s Mark-0 microreactor achieved zero-power criticality under the Department of Energy (DOE) Reactor Pilot Program (RPP), becoming the first advanced reactor to meet the ambitious July 4, 2026, deadline set by President Trump\u2019s 2025 executive order to accelerate next-<a href=\"https:\/\/idahonews.com\/news\/local\/privately-developed-mark-zero-reactor-goes-critical-at-idaho-national-laboratory-doe-says\" target=\"_blank\" rel=\"noopener\">generation nuclear deployment<\/a>.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">The U.S. energy secretary called the development \u201cone of the most significant achievements in nuclear energy in forty years.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The Department of Energy said the Mark-Zero reactor design by Antares Nuclear, hosted at Idaho National Laboratory, achieved criticality. That means the team started a self-sustaining chain reaction of nuclear fission, the fundamental process for operating a reactor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The Department of Energy said it is the first time a privately developed, non-light-water reactor has gone critical in four decades, and that it serves as a blueprint for other advanced reactors supported by the Trump administration.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">State leaders praised the accomplishment. Sen. Jim Risch posted on social media that Idaho is \u201cleading the charge\u201d to a new era of advanced reactors.<\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">WE HAVE CRITICALITY!&nbsp; On June 4, 2026, at around 12:30 MDT,&nbsp;<a href=\"https:\/\/x.com\/AntaresNuclear?ref_src=twsrc%5Etfw\" target=\"_blank\" rel=\"noopener\">@AntaresNuclear<\/a>\u2019s Mark-0 microreactor achieved initial criticality at&nbsp;<a href=\"https:\/\/x.com\/INL?ref_src=twsrc%5Etfw\" target=\"_blank\" rel=\"noopener\">@INL<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It is the first nuclear test reactor to go critical under&nbsp;<a href=\"https:\/\/x.com\/ENERGY?ref_src=twsrc%5Etfw\" target=\"_blank\" rel=\"noopener\">@ENERGY<\/a>\u2019s Reactor Pilot Program. Congratulations to Antares on reaching this\u2026&nbsp;<a href=\"https:\/\/t.co\/JS9g9Vsm26\" target=\"_blank\" rel=\"noopener\">pic.twitter.com\/JS9g9Vsm26<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2014 Office of Nuclear Energy | US Department of Energy (@GovNuclear)&nbsp;<a href=\"https:\/\/x.com\/GovNuclear\/status\/2062664782981759355?ref_src=twsrc%5Etfw\" target=\"_blank\" rel=\"noopener\">June 4, 2026<\/a><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">The zero\u2011power test was designed to confirm that the core\u2019s reactivity, control systems, and instrumentation behave as predicted, before any attempt at higher\u2011power operation. The next step in the plan is to get the system to&nbsp;<a href=\"https:\/\/www.powermag.com\/antares-mark-0-becomes-first-advanced-nuclear-reactor-to-achieve-criticality-under-doe-pilot-program\/\" target=\"_blank\" rel=\"noopener\">generate sustained electricity<\/a>, and that phase is also scheduled for this year.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u201cNow that Mark-0 is critical, the real work is just beginning,\u201d said Antares CEO Jordan Bramble in a LinkedIn post on June 4. \u201cI want to reiterate how this fits into our larger roadmap to mature our technology to its commercial potential. This should be obvious, but the goal of a reactor is to sell electricity to customers.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Following reactor physics experiments, Antares will execute \u201cthe next phase of our roadmap\u2014sustained electricity production,\u201d Bramble said. Antares is \u201cable to move fast towards this milestone because we\u2019ve already completed over 6 months of full-power thermal testing in an electrical prototype. We will perform version 2.0 of this in 2026. This is an easier, more iterative way to test, because there is no regulatory process, and you can disassemble to examine material effects.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">He added: \u201cAll of our iterative testing sets us up to produce electricity for 6+ months. Hundreds of days, not hundreds of hours. We\u2019re able to test for longer and faster because we\u2019ve designed our reactor around a proven, fully qualified fuel spec developed under Project Pele.\u201d<\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Some of the great Americans who made Mark-0 possible. Including&nbsp;<a href=\"https:\/\/x.com\/Waksman84?ref_src=twsrc%5Etfw\" target=\"_blank\" rel=\"noopener\">@Waksman84<\/a>\u2069&nbsp;<a href=\"https:\/\/x.com\/colejust12?ref_src=twsrc%5Etfw\" target=\"_blank\" rel=\"noopener\">@colejust12<\/a>&nbsp;<a href=\"https:\/\/x.com\/JessGehin?ref_src=twsrc%5Etfw\" target=\"_blank\" rel=\"noopener\">@JessGehin<\/a>&nbsp;<a href=\"https:\/\/x.com\/OverReactor1776?ref_src=twsrc%5Etfw\" target=\"_blank\" rel=\"noopener\">@OverReactor1776<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jeff\u2019s work on project Pele began 8 years ago. The program trained operators, improved the regulatory process, and created the fuel line that made our TRISO.&nbsp;<a href=\"https:\/\/t.co\/cjpJcGqrKN\" target=\"_blank\" rel=\"noopener\">pic.twitter.com\/cjpJcGqrKN<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2014 Jordan Bramble (@jordanbramble)&nbsp;<a href=\"https:\/\/x.com\/jordanbramble\/status\/2063375480942969170?ref_src=twsrc%5Etfw\" target=\"_blank\" rel=\"noopener\">June 6, 2026<\/a><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Presidential Executive Order 14301, \u201cReforming Nuclear Reactor Testing at the Department of Energy,\u201d the RPP also&nbsp;<a href=\"https:\/\/www.army.mil\/article\/293057\/antares_nuclears_successful_zero_power_criticality_test_marks_major_step_for_military_applications_of_advanced_microreactors\" target=\"_blank\" rel=\"noopener\">supports the Army\u2019s Janus Program<\/a>, which focuses on deploying advanced nuclear microreactors for operational and installation energy needs.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">The Janus Program is the Army\u2019s answer to Presidential Executive Order 14299, \u201cDeploying Advanced Nuclear Reactor Technologies for National Security.\u201d The Army coordinated with the Energy Department to ensure fuel was fabricated in time to support the criticality timeline and also provided expertise to support the safety review of the Antares criticality test.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cThis is a historic moment for advanced nuclear energy in the United States,\u201d Energy Secretary Chris Wright said. \u201cThe Antares team has achieved a major milestone in the development of micro-reactor technology, and the Trump administration is proud to have supported their efforts. These technologies will play a critical role in strengthening U.S. energy security for both military and civilian applications.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jeff Waksman, principal deputy assistant secretary of the Army for installations, energy and environment, said, \u201cThe criticality test of Antares Nuclear\u2019s Mark-0 reactor is an important step toward meeting the president\u2019s goals for nuclear power resiliency for the U.S. Army. A microreactor is now generating neutrons.\u201d<\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">When America sets bold goals, America delivers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Last year, President Trump challenged our nation to bring multiple advanced reactors to criticality by America\u2019s 250th Anniversary. Today, we reach an important milestone as the first non-light-water reactor goes critical in more\u2026&nbsp;<a href=\"https:\/\/t.co\/XWuuEF92Dy\" target=\"_blank\" rel=\"noopener\">https:\/\/t.co\/XWuuEF92Dy<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2014 Secretary Chris Wright (@SecretaryWright)&nbsp;<a href=\"https:\/\/x.com\/SecretaryWright\/status\/2062667157243072752?ref_src=twsrc%5Etfw\" target=\"_blank\" rel=\"noopener\">June 4, 2026<\/a><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">This milestone, while not yet producing electricity, confirms the reactor\u2019s core physics and safety behavior in the real world, not just in modeling, and sets the stage for operational microreactors expected as early as 2027.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In an energy landscape increasingly defined by grid instability and rising demand, that\u2019s not just progress, but a signal that U.S. nuclear innovation may finally be moving at the speed policymakers have been demanding.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The first time in roughly four decades that a privately developed, non\u2011light\u2011water advanced reactor has gone critical in the U.S.<\/p>\n<p>The quiet revolution in American energy just cleared a major technical hurdle.<\/p>\n","protected":false},"author":121246920,"featured_media":449610,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1],"tags":[691843595,691818206,691843594,691828724],"class_list":["post-449606","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-antares-mark-0","tag-nuclear-power","tag-reactor-pilot-program","tag-us-department-of-energys-doe","fallback-thumbnail"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/06\/AQMel9d7OE0Bo7XVbUuNIbGihPE0fNDHEyMosbbGCeV1JbptgCNoHXNFKWN-aoKEEuCaAETmVGkfvosRmoySCKMxsi0F6F7U0y4ViqphSD528TQR9kniRHHzef1mWw.jpeg?fit=1491%2C836&ssl=1","jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paxLW1-1SXI","jetpack-related-posts":[{"id":428331,"url":"https:\/\/climatescience.press\/?p=428331","url_meta":{"origin":449606,"position":0},"title":"The microreactor race is on","author":"uwe.roland.gross","date":"02\/27\/2026","format":false,"excerpt":"For the past half century, successive presidential administrations and the Nuclear Regulatory Commission have thwarted the development of advanced reactor designs that might fulfill President Eisenhower\u2019s vision for the \u201cpeaceful uses of atomic energy.\u201d","rel":"","context":"In \"Department of Energy\"","block_context":{"text":"Department of Energy","link":"https:\/\/climatescience.press\/?tag=department-of-energy"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/02\/0Micro-nuclear-reactor.jpg?fit=1200%2C1149&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/02\/0Micro-nuclear-reactor.jpg?fit=1200%2C1149&ssl=1&resize=350%2C200 1x, 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\"Demonstration of Microreactor Experiments (DOME)\"","block_context":{"text":"Demonstration of Microreactor Experiments (DOME)","link":"https:\/\/climatescience.press\/?tag=demonstration-of-microreactor-experiments-dome"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/04\/0-Is-America-on-the-verge-of-a-nuclear-renaissance.jpg?fit=784%2C1168&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/04\/0-Is-America-on-the-verge-of-a-nuclear-renaissance.jpg?fit=784%2C1168&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/04\/0-Is-America-on-the-verge-of-a-nuclear-renaissance.jpg?fit=784%2C1168&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/04\/0-Is-America-on-the-verge-of-a-nuclear-renaissance.jpg?fit=784%2C1168&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":421885,"url":"https:\/\/climatescience.press\/?p=421885","url_meta":{"origin":449606,"position":2},"title":"How to add 300 gigawatts of nuclear energy by 2050","author":"uwe.roland.gross","date":"01\/18\/2026","format":false,"excerpt":"On May 23, President Donald Trump laid out a four-point plan (via four executive orders) to spark a nuclear energy renaissance in the United States based on his belief that nuclear energy is a superior carbon-free choice to wind and solar.","rel":"","context":"In \"CANDU (Canada Deuterium Uranium)\"","block_context":{"text":"CANDU (Canada Deuterium Uranium)","link":"https:\/\/climatescience.press\/?tag=candu-canada-deuterium-uranium"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/01\/AQMel9d7OE0Bo7XVbUuNIbGihPE0fNDHEyMosbbGCeV1JbptgCNoHXNFKWN-aoKEEuCaAETmVGkfvosRmoySCKMxsi0F6F7U0y4ViqphSD528TQR9kniRHHzef1mWw-2.jpeg?fit=1200%2C673&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/01\/AQMel9d7OE0Bo7XVbUuNIbGihPE0fNDHEyMosbbGCeV1JbptgCNoHXNFKWN-aoKEEuCaAETmVGkfvosRmoySCKMxsi0F6F7U0y4ViqphSD528TQR9kniRHHzef1mWw-2.jpeg?fit=1200%2C673&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/01\/AQMel9d7OE0Bo7XVbUuNIbGihPE0fNDHEyMosbbGCeV1JbptgCNoHXNFKWN-aoKEEuCaAETmVGkfvosRmoySCKMxsi0F6F7U0y4ViqphSD528TQR9kniRHHzef1mWw-2.jpeg?fit=1200%2C673&ssl=1&resize=525%2C300 1.5x, 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It\u2019s about time, given that the average existing U.S. nuclear power plant was built based on 1980s technology.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/11\/0AQOI0MJ-vHl_zkzFKgsqJKoMTogMR_hSxYzGbAWflOZqV3FgZI1lSk0cl9ql8K_-kIj1JRYIwLuwYHx8o9eNsy3y3-o80n-0qyoP-xhs1Kg4bUZtYUXuZG9Ghp9o-Gdn-1.jpeg?fit=1200%2C673&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/11\/0AQOI0MJ-vHl_zkzFKgsqJKoMTogMR_hSxYzGbAWflOZqV3FgZI1lSk0cl9ql8K_-kIj1JRYIwLuwYHx8o9eNsy3y3-o80n-0qyoP-xhs1Kg4bUZtYUXuZG9Ghp9o-Gdn-1.jpeg?fit=1200%2C673&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/11\/0AQOI0MJ-vHl_zkzFKgsqJKoMTogMR_hSxYzGbAWflOZqV3FgZI1lSk0cl9ql8K_-kIj1JRYIwLuwYHx8o9eNsy3y3-o80n-0qyoP-xhs1Kg4bUZtYUXuZG9Ghp9o-Gdn-1.jpeg?fit=1200%2C673&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/11\/0AQOI0MJ-vHl_zkzFKgsqJKoMTogMR_hSxYzGbAWflOZqV3FgZI1lSk0cl9ql8K_-kIj1JRYIwLuwYHx8o9eNsy3y3-o80n-0qyoP-xhs1Kg4bUZtYUXuZG9Ghp9o-Gdn-1.jpeg?fit=1200%2C673&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/11\/0AQOI0MJ-vHl_zkzFKgsqJKoMTogMR_hSxYzGbAWflOZqV3FgZI1lSk0cl9ql8K_-kIj1JRYIwLuwYHx8o9eNsy3y3-o80n-0qyoP-xhs1Kg4bUZtYUXuZG9Ghp9o-Gdn-1.jpeg?fit=1200%2C673&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":258036,"url":"https:\/\/climatescience.press\/?p=258036","url_meta":{"origin":449606,"position":4},"title":"Italy returns to nuclear sanity. Shouldn\u2019t we?","author":"uwe.roland.gross","date":"05\/18\/2023","format":false,"excerpt":"The Italian parliament, demonstrating confidence in Prime Minister Giorgia Meloni, this week formally\u00a0backed her plan\u00a0to reintroduce nuclear power plants into Italy\u2019s energy mix, reversing the nation\u2019s 1987 moratorium on nuclear power. Meanwhile, energy-starved Germany is feeling the pinch from shuttering all of its 17 nuclear power plants.","rel":"","context":"In \"energy crisis\"","block_context":{"text":"energy crisis","link":"https:\/\/climatescience.press\/?tag=energy-crisis"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/05\/0Small-modular-reactors.png?fit=1140%2C640&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/05\/0Small-modular-reactors.png?fit=1140%2C640&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/05\/0Small-modular-reactors.png?fit=1140%2C640&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/05\/0Small-modular-reactors.png?fit=1140%2C640&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2023\/05\/0Small-modular-reactors.png?fit=1140%2C640&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":419783,"url":"https:\/\/climatescience.press\/?p=419783","url_meta":{"origin":449606,"position":5},"title":"Seizing the moment for U.S. nuclear energy dominance","author":"uwe.roland.gross","date":"01\/04\/2026","format":false,"excerpt":"Nuclear power delivers clean, reliable baseload energy essential for economic growth, national security, and competing in AI. U.S. companies lead in advanced reactor designs (e.g., small modular reactors or SMRs), but regulatory hurdles, supply chain weaknesses, and foreign competition (from Russia and China) threaten leadership.","rel":"","context":"In \"electric grid\"","block_context":{"text":"electric grid","link":"https:\/\/climatescience.press\/?tag=electric-grid"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/01\/AQMel9d7OE0Bo7XVbUuNIbGihPE0fNDHEyMosbbGCeV1JbptgCNoHXNFKWN-aoKEEuCaAETmVGkfvosRmoySCKMxsi0F6F7U0y4ViqphSD528TQR9kniRHHzef1mWw.jpeg?fit=1200%2C673&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/01\/AQMel9d7OE0Bo7XVbUuNIbGihPE0fNDHEyMosbbGCeV1JbptgCNoHXNFKWN-aoKEEuCaAETmVGkfvosRmoySCKMxsi0F6F7U0y4ViqphSD528TQR9kniRHHzef1mWw.jpeg?fit=1200%2C673&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/01\/AQMel9d7OE0Bo7XVbUuNIbGihPE0fNDHEyMosbbGCeV1JbptgCNoHXNFKWN-aoKEEuCaAETmVGkfvosRmoySCKMxsi0F6F7U0y4ViqphSD528TQR9kniRHHzef1mWw.jpeg?fit=1200%2C673&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/01\/AQMel9d7OE0Bo7XVbUuNIbGihPE0fNDHEyMosbbGCeV1JbptgCNoHXNFKWN-aoKEEuCaAETmVGkfvosRmoySCKMxsi0F6F7U0y4ViqphSD528TQR9kniRHHzef1mWw.jpeg?fit=1200%2C673&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2026\/01\/AQMel9d7OE0Bo7XVbUuNIbGihPE0fNDHEyMosbbGCeV1JbptgCNoHXNFKWN-aoKEEuCaAETmVGkfvosRmoySCKMxsi0F6F7U0y4ViqphSD528TQR9kniRHHzef1mWw.jpeg?fit=1200%2C673&ssl=1&resize=1050%2C600 3x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/posts\/449606","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/users\/121246920"}],"replies":[{"embeddable":true,"href":"https:\/\/climatescience.press\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=449606"}],"version-history":[{"count":4,"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/posts\/449606\/revisions"}],"predecessor-version":[{"id":449613,"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/posts\/449606\/revisions\/449613"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/climatescience.press\/index.php?rest_route=\/wp\/v2\/media\/449610"}],"wp:attachment":[{"href":"https:\/\/climatescience.press\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=449606"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/climatescience.press\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=449606"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/climatescience.press\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=449606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}