The proposal is backed by Polish billionaire Micha\u0142 So\u0142owow and a team that includes GE Vernova Hitachi Nuclear Energy, which designed the BWRX-300. Instead of treating every plant as a custom megaproject, the group wants to build the same model again and again. Repetition is the heart of the pitch.<\/p>\n\n\n\n
How the small reactors work<\/h2>\n\n\n\n
A small modular reactor<\/a> is a compact nuclear plant designed so major components can be made in factories and assembled on-site. The BWRX-300<\/a> boils water inside the reactor, then uses the steam to spin a turbine and generate electricity.<\/p>\n\n\n\n Each unit is designed to produce up to 300 MW. The manufacturer says later repeat units could move from the first major concrete work to fuel loading in about two to three years, although planning, licensing, site preparation, and testing would add more time.<\/p>\n\n\n\n The former Oldbury nuclear site in South Gloucestershire has been reported as a possible home for up to six reactors. However, the company has not formally named its locations, and the government says Oldbury remains under consideration for future public or privately led development.<\/p>\n\n\n\n Wylfa in North Wales has already been chosen for three Rolls-Royce small reactors totaling at least 1.4 GW. That puts the Polish-led plan alongside another major small-reactor program<\/a> competing for skilled workers, suppliers, grid connections, and political attention.<\/p>\n\n\n\n For nearby communities, the debate will not be only about electricity. At Darlington, early site work has already rerouted a waterfront trail and added road and earthmoving activity, a reminder that national energy policy can feel very local once the trucks arrive.<\/p>\n\n\n\n The consortium says construction would be privately financed and consumers would not be charged before the reactors begin operating. It is seeking a Contract for Difference<\/a>, which would guarantee a set price for electricity after a unit starts generating.<\/p>\n\n\n\n When the market price falls below that agreed level, the contract tops up the producer\u2019s revenue. When it rises above the set price, the producer pays the difference back.<\/p>\n\n\n\n Rafa\u0142 Kaspr\u00f3w, the company\u2019s CEO, said, \u201cOur price will be attractive and below what has been offered for Hinkley.\u201d He did not disclose a number, so households still cannot judge what the promise might mean for the electric bill.<\/p>\n\n\n\n The proposed timetable is unusually fast for nuclear construction. The company expects a pipeline decision in November 2026, site selection and support negotiations in the first half of 2027, then major investment and licensing work within roughly a year.<\/p>\n\n\n\n British regulators completed a preliminary review of the BWRX-300 in December 2025 and found no fundamental safety, security, safeguards, or environmental shortfalls. However, the review ended before a more detailed assessment, and any project would still need site-specific permits and approvals.<\/p>\n\n\n\n A real-world test is already underway. Ontario Power Generation<\/a> began construction of the first BWRX-300 at Darlington in 2025 and expects it to connect to the grid by the end of 2030.<\/p>\n\n\n\n Recent experience explains why the 2034 target will face scrutiny. A previous schedule called for Hinkley Point C to begin generating by the end of 2025, but EDF now organizes the first unit around a 2030 opening and warns that 2031 remains possible.<\/p>\n\n\n\n Sizewell C<\/a> reached a final investment decision with an official construction estimate of about $50 billion after conversion into U.S. dollars. That does not prove smaller reactors will repeat the same problems, but it shows how quickly schedules and budgets can become the main story.<\/p>\n\n\n\n Jason Cooper, CEO of the reactor designer, said the Canadian project provides confidence from \u201creal project execution.\u201d Even so, no commercial BWRX-300 is operating today, so the promise of faster fleet construction remains partly untested.<\/p>\n\n\n\n Small reactors do not make nuclear waste<\/a> disappear. A 14-unit fleet would still produce spent fuel and other radioactive material that needs secure storage, long-term management, and eventually a permanent disposal route.<\/p>\n\n\n\n The Nuclear Decommissioning Authority<\/a> put Britain\u2019s undiscounted legacy cleanup liability at about $287 billion when converted at an early July 2026 exchange rate. The March 2025 estimate covers decommissioning and waste work across the existing nuclear estate, not only a future underground repository or the proposed fleet.<\/p>\n\n\n\n New projects must show how they will manage spent fuel, radioactive waste, and eventual shutdown, including funded decommissioning plans. This is the slow end of nuclear power, measured in generations.<\/p>\n\n\n\n The Department for Energy Security and Net Zero will assess the application through the Advanced Nuclear Framework. Entry into the pipeline would be an endorsement in principle, not permission to build and not a blank check.<\/p>\n\n\n\n The proposal could make a major contribution to Britain\u2019s power supply<\/a> if the consortium secures sites, passes detailed reviews, and agrees on a price. Until then, it remains a major energy ambition, not a guaranteed fleet. The gap between proposal and project is still wide.<\/p>\n\n\n\nOldbury could return to nuclear<\/h2>\n\n\n\n
![\"Construction](\"https:\/\/www.ecoticias.com\/en\/wp-content\/uploads\/2026\/07\/darlington-bwrx-300-reactor-construction-1024x576.jpg\")
The price promise<\/h2>\n\n\n\n
The 2034 deadline<\/h2>\n\n\n\n
Britain\u2019s nuclear record raises caution<\/h2>\n\n\n\n
Waste still follows the power<\/h2>\n\n\n\n
What happens next<\/h2>\n\n\n\n