Darlington New Nuclear Project — Unit 1 — under construction

EnergíaPublicado 03/10/202603/10/2026 a las 22:14@EnergyDesk

A la línea de tiempo

Ontario Power Generation

Empieza el 31/08/2026

Darlington Nuclear Generating Station, Clarington, Durham Region, Ontario, Canada

Al mapa

Actualizaciones

3 desde que se fijó

Este pin sigue las noticias: muestra lo que se sabe ahora, y aquí está qué cambió y qué lo provocó.

Editado12/10/2026 a las 3:44por @ThePinGang
Titular
OPG Starts Building Canada's First Grid-Scale SMR at DarlingtonDarlington New Nuclear Project — Unit 1 — under construction
Entradilla
reescrito
Antes
Ontario Power Generation began construction of the first of four 300 MW BWRX-300 small modular reactors at Darlington on 8 May 2025, a month after the CNSC licence to construct; the first unit is due in service by the end of 2030 at a cost of C$7.7 billion.
Empieza
8 may 202531 ago 2026
Termina
31 dic 203031 ago 2026
Resumen
reescrito
Antes
On 8 May 2025 Ontario gave OPG the green light to build the first of four BWRX-300 units at the Darlington New Nuclear Project, the first new nuclear build in the province in more than three decades and the first grid-scale SMR under construction in any G7 country, a month after the Canadian Nuclear Safety Commission issued the licence to construct
The first 300 MW unit is due in service by the end of 2030 (OPG had earlier anticipated the end of 2029), with the full fleet of four units producing 1,200 MW and the other three planned for the mid-2030s
Ontario's energy minister put the first unit at C$7.7 billion, C$6.1 billion for the reactor and C$1.6 billion for systems and services common to all four units; the four-unit plant is estimated at C$20.9 billion
By spring 2026 the reactor's steel-and-concrete basemat module had been lifted into the excavated, 35-metre-deep reactor shaft, shortly before 8 May 2026, a year to the day after the final investment decision
OPG submitted its licence to operate application for the first unit in March 2026 and it is under CNSC review
OPG is drawing on more than 7,000 lessons learned from the Darlington refurbishment, and a tunnel boring machine for the 3.4 km condenser cooling water tunnel was due on site for assembly in early 2026
Additional August 2026 inventory evidence
GEM August 2026 snapshot: mixed phases. 1200 MW sum of published phase ratings (ratings may mix solar DC/AC). Technologies: Nuclear.
Compare phase coverage and AC/DC, nameplate and net ratings before combining source figures. This inventory view is not extra capacity to add to the existing project total.
Inventory unit details — gem-L100000500280
Additional source view; compare phase coverage and rating conventions before combining figures.
1 (G100000500647): reported rating 300 MW; small modular reactor; status pre-construction; reported year 2030; solar rating not specified/not applicable.
2 (G100000501060): reported rating 300 MW; small modular reactor; status announced; reported year 2036; solar rating not specified/not applicable.
3 (G100000501061): reported rating 300 MW; small modular reactor; status announced; reported year 2036; solar rating not specified/not applicable.
4 (G100000501062): reported rating 300 MW; small modular reactor; status announced; reported year 2036; solar rating not specified/not applicable.
- Published project evidenceopg.com95% DE CONFIANZA
- Published project evidenceopg.com95% DE CONFIANZA
- Plant inventory or original project recordpowermag.com95% DE CONFIANZA
Editado12/10/2026 a las 0:05por @ThePinGang
Resumen
reescrito
Antes
On 8 May 2025 Ontario gave OPG the green light to build the first of four BWRX-300 units at the Darlington New Nuclear Project, the first new nuclear build in the province in more than three decades and the first grid-scale SMR under construction in any G7 country, a month after the Canadian Nuclear Safety Commission issued the licence to construct
The first 300 MW unit is due in service by the end of 2030 (OPG had earlier anticipated the end of 2029), with the full fleet of four units producing 1,200 MW and the other three planned for the mid-2030s
Ontario's energy minister put the first unit at C$7.7 billion, C$6.1 billion for the reactor and C$1.6 billion for systems and services common to all four units; the four-unit plant is estimated at C$20.9 billion
By spring 2026 the reactor's steel-and-concrete basemat module had been lifted into the excavated, 35-metre-deep reactor shaft, shortly before 8 May 2026, a year to the day after the final investment decision
OPG submitted its licence to operate application for the first unit in March 2026 and it is under CNSC review
OPG is drawing on more than 7,000 lessons learned from the Darlington refurbishment, and a tunnel boring machine for the 3.4 km condenser cooling water tunnel was due on site for assembly in early 2026
Additional August 2026 inventory evidence
GEM August 2026 snapshot: mixed phases. 1200 MW sum of published phase ratings (ratings may mix solar DC/AC). Technologies: Nuclear.
Compare phase coverage and AC/DC, nameplate and net ratings before combining source figures. This inventory view is not extra capacity to add to the existing project total.
Editado11/10/2026 a las 22:52por @ThePinGang
Resumen
reescrito
Antes
On 8 May 2025 Ontario gave OPG the green light to build the first of four BWRX-300 units at the Darlington New Nuclear Project, the first new nuclear build in the province in more than three decades and the first grid-scale SMR under construction in any G7 country, a month after the Canadian Nuclear Safety Commission issued the licence to construct
The first 300 MW unit is due in service by the end of 2030 (OPG had earlier anticipated the end of 2029), with the full fleet of four units producing 1,200 MW and the other three planned for the mid-2030s
Ontario's energy minister put the first unit at C$7.7 billion, C$6.1 billion for the reactor and C$1.6 billion for systems and services common to all four units; the four-unit plant is estimated at C$20.9 billion
By spring 2026 the reactor's steel-and-concrete basemat module had been lifted into the excavated, 35-metre-deep reactor shaft, shortly before 8 May 2026, a year to the day after the final investment decision
OPG submitted its licence to operate application for the first unit in March 2026 and it is under CNSC review
OPG is drawing on more than 7,000 lessons learned from the Darlington refurbishment, and a tunnel boring machine for the 3.4 km condenser cooling water tunnel was due on site for assembly in early 2026
- August 2026 generation inventory recordraw.githubusercontent.com95% DE CONFIANZA

Comentarios

Referencias 395% DE CONFIANZAConfianza general: 95%Hasta qué punto la fuente y las referencias del pin respaldan sus fechas.Media ponderada de la firmeza con la que 3 referencias, incluida la fuente, respaldan las horas de inicio y fin del pin; una referencia cuenta la mitad por cada 180 días que sea más antigua que la más recienteMostrar todos los pines con un 75% de confianza o más

La primera entrada es siempre la fuente del pin. La confianza global es una media ponderada de la firmeza con la que cada referencia respalda las horas de inicio y fin usadas arriba; una referencia cuenta la mitad por cada 180 días que sea más antigua que la más reciente.

[1]95%
Plant inventory or original project record
powermag.com· Publicado el 12 oct 2026· Empieza 31 ago 2026 ✓· 33% de la puntuación
Documented physical milestone or dated progress/reporting marker. Period-end dates represent only the reported month/quarter; they do not invent an exact operation date. Source estimates are labelled and not treated as confirmed future opening dates.
[2]95%
Published project evidence
opg.com· Añadido el 12 oct 2026· Añadido por@ThePinGang· 33% de la puntuación
Published project-specific cost for Darlington New Nuclear Project — Unit 1: CAD 7.7e+09. Basis: Unit 1 plus shared infrastructure; includes interest, escalation and contingency.^[1]
[3]95%
Published project evidence
opg.com· Añadido el 12 oct 2026· Añadido por@ThePinGang· 33% de la puntuación
Published electric generating project rating for Darlington New Nuclear Project — Unit 1: 300 MW. Basis: Operator-reported electric generating capacity; not annual energy production. Operator confirms 300 MWe per unit and summer-2026 reactor-building construction after basemat installation.^[1]

Sugerir una corrección

¿Falta algo o hay un error? Dilo con tus palabras: un enlace que respalde este pin, otra fecha de inicio o fin y por qué, o un dato que falta o está mal. La IA lo contrasta con las fuentes del pin, busca otras mejores y añade cualquier página que te dé la razón. Las fuentes del propio pin siguen contando más. La IA también mira las imágenes: una que muestra otra cosa, o la muestra mal, pasa al final o se sustituye.

Additional August 2026 inventory evidence

Inventory unit details — gem-L100000500280

Additional August 2026 inventory evidence

Sugerir una corrección

Additional August 2026 inventory evidence

Inventory unit details — gem-L100000500280

Additional August 2026 inventory evidence

Sugerir una corrección

Etiquetas

Comentarios

Darlington New Nuclear Project — Unit 1 — under construction

Published cost and electrical output

Project-specific research

Scope and evidence

Hilo