Power & Operations

Ontario Power Generation has announced that refurbishment of Unit 3 at its Darlington nuclear plant is progressing ahead of schedule, with an expected return to service by late 2023, rather than early 2024.

The latest news on Ukraine’s Zaporizhzhia nuclear power plant—under occupation by the Russian military since early March—sparks some hope, but also more anxiety.

The good: This morning, Russia requested that the United Nations Security Council hold a meeting tomorrow on the situation at the six-unit pressurized water reactor plant, according to RIA Novosti, a Russian state-owned news agency. The RIA report cited a post via the Telegram messaging app from Dmitry Polyansky, Russia’s first deputy minister at the UN. In the post, Polyansky said the meeting is scheduled for “22:00 Moscow time on August 23.”

In the ongoing quest to mitigate the effects of climate change, new technology can create new solutions. Even today, however, coal is still a main source of power around the globe, often out of necessity. Many coal-burning plants have already been converted for gas or biomass, but these measures alone are not nearly enough to meet net-zero carbon goals. There is a better solution, however: repowering coal plants with nuclear technology—specifically, Generation IV reactors.

For the few members of the nuclear community who haven’t already been made aware, the Wall Street Journal yesterday published a story headlined “Germany to Keep Last Three Nuclear Power Plants Running in Policy U-Turn.” According to the WSJ, the German government plans to postpone retirement of the plants—all of which had been slated for closure by the end of 2022—fearing an inadequate energy supply this winter.

There is still a chance for California’s last remaining nuclear power plant to stay open.

Last Friday, more than 50 nuclear advocates testified in support of the Diablo Canyon nuclear power plant at a California Energy Commission workshop. Many spoke of the need for California to shore up its electricity grid in the face of coming heat waves and power outages. Others emphasized that closing the plant, which generates 2.2 GW of electricity and currently provides 8.6 percent of the state’s total supply and about 15 percent of its low-carbon electricity, would be devastating to California’s emission-reduction goals.

U.S. nuclear technology company TerraPower announced yesterday the close of a $750 million equity raise—one of the largest advanced-nuclear investment drives to date, according to the announcement—with $250 million of that contributed by South Korean firms SK Inc. and SK Innovation.

Both firms are subsidiaries of the Seoul-based conglomerate SK Group, South Korea’s second-largest conglomerate, after Samsung Group.

After hours of debate alternating between Democratic praise for the Inflation Reduction Act (IRA) and Republican denunciation of it, the House of Representatives late Friday passed the sweeping energy, tax, and health care package in a straight party-line vote, 220–207. Its passage represents a significant win for President Biden, who is expected to sign the bill into law this week.

The boldly named $430 billion measure includes $369 billion in energy security and climate spending, with nuclear energy included among the beneficiaries.

Evidence that Canada is serious about becoming a world leader in small modular reactor deployment continues to mount. Ontario-based SMR developer Terrestrial Energy yesterday inked a memorandum of understanding with Invest Alberta—a crown corporation of the government of Alberta that promotes the province internationally—to support commercialization of the company’s Integral Molten Salt Reactor (IMSR) in western Canada.

In the latest episode of a years-long dispute, the D.C. circuit court has denied a petition to reverse the Nuclear Regulatory Commission’s 2014 decision granting a license to Powertech USA for uranium extraction at its Dewey Burdock site, the company’s parent, enCore Energy, announced yesterday.

Teollisuuden Voima Oyj (TVO), owner and operator of the Olkiluoto nuclear power plant in Finland, has resumed Olkiluoto-3’s test production phase, following completion of maintenance and repair work at the new reactor’s turbine island, the company announced this week.

TVO had announced in June a delay to the unit’s commercial start of some three months—from September to December—after material that had detached from the steam guide plates was found in the turbine’s steam reheater in May, necessitating repair work and a halt to testing.

While the Mississippi Public Service Commission earlier this year accepted a $300 million offer from Entergy Corporation to settle its portion of a multistate dispute with the utility over Grand Gulf nuclear plant customer rate impacts, the Arkansas Public Service Commission last week turned down its own $142 million offer, terming it “a low-ball amount.”

Small modular reactor developer X-energy and materials science giant Dow this morning announced the signing of a letter of intent aimed at deploying X-energy’s Xe-100 reactor technology at one of Dow’s U.S. Gulf Coast facilities. The companies expect the SMR plant, which would provide power and process heat to the Dow facility, to be operational by approximately 2030.

Dow is the first manufacturer to declare its intention to develop SMR technology options and intends to take a minority equity stake in X-energy, according to the announcement.

News of the collaboration broke at the American Nuclear Society’s Utility Working Conference and Vendor Technology Expo, being held through August 10 at Marco Island, Fla.

X-energy and Dow announced today a collaboration with intent to deploy an advanced small modular reactor at one of Dow’s U.S. Gulf Coast facilities. The SMR, which would be operable by about 2030, would provide heat and power to the Dow facility.

The announcement was made at the American Nuclear Society's Utility Working Conference and Vendor Technology Expo (UWC 2022), being held through August 10 at Marco Island, Fla.

The Electric Power Research Institute (EPRI) has launched the Nuclear in District Energy Applications (NuIdea) Initiative to support the use of nuclear power in district energy systems. The new program, which is part of the EPRI’s Nuclear Beyond Electricity Initiative, has the goal of promoting microreactors (up to 10 MW) for heating, cooling, and power applications in institutional settings by 2026.

The Tennessee Valley Authority and GE Hitachi Nuclear Energy (GEH) have signed an agreement to support planning and preliminary licensing for the potential deployment of a BWRX-300 small modular reactor at the Clinch River site near Oak Ridge, Tenn., the utility’s president and chief executive officer, Jeff Lyash, announced last week.

An evolution of GEH’s 1,520-MWe Generation III+ ESBWR design, the BWRX-300 is a 300-MWe water-cooled, natural-circulation SMR with passive safety systems.

SNC-Lavalin subsidiary Candu Energy recently announced that it is engaged in pre-project design and engineering work at the Qinshan Phase III nuclear power station in China’s Zhejiang Province with Third Qinshan Nuclear Power Company (TQNPC), the plant’s operator.

By all accounts the most productive nuclear power plant in British history, Somerset’s Hinkley Point B station closed for good on August 1, with the shutdown of its B1 unit, a 485-MWe advanced gas-cooled reactor. (The plant’s B2 unit, a 480-MWe AGR, was shuttered early last month.)

The station employed around 500 staff and 250 contractors and contributed approximately £40 million (about $48.7 million) per year to the Somerset economy, according to EDF Energy, owner and operator of the United Kingdom’s power reactor fleet.

The Nuclear Regulatory Commission has authorized Vogtle plant operator Southern Nuclear to load fuel and begin operation at Unit 3—the first reactor to reach this point in the agency’s combined license process. (Prior to 1989, reactors were licensed under a two-step process, requiring both a construction permit and an operating license.)

Last Energy, a Washington, D.C.–based small modular reactor startup, has signed a letter of intent with Poland’s Legnica Special Economic Zone (LSSE) and DB Energy for a power plant featuring 10 small modular reactors with 200 MWe of capacity to fuel the region’s industrial activities. (Established in 1997, the LSSE covers 18 subzones located in the central part of southwestern Poland’s Dolnośląskie Province and is home to more than 75 companies providing some 16,000 jobs.)

Just this last April, President Biden officially commissioned the USS Delaware, a new Virginia-­class nuclear attack submarine, the 18th built in that class and the eighth and final Block III Virginia-­class submarine. (The Delaware was administratively commissioned in April 2020, but the COVID-­19 pandemic caused delay of the ceremony for two years.)