Ville Tulkki Profile picture
Dec 6 18 tweets 8 min read
We are starting our Joint ELSMOR/TANDEM workshop in Brussels. Both are EURATOM-funded research projects into small modular reactors.

Roger Garbil from European Commission gives welcoming words, emphasizing the role of nuclear energy and European R&D efforts.
Garbil discusses EURATOM R&D funding topics you can see from the slides. This represents about 10% of European nuclear energy R&D, and is often used by the research organizations as seed for international collaboration.
Garbil describes the various potential roles of SMRs in Europe.

Like I’ve often claimed, SMRs represent an opportunity to enlarge the use of nuclear energy for different sectors.
SMR projects in Europe. Many interesting details but I have to mention one thing:

EcoSMR mentioned!!!!
Martina Adorni from OECD/NEA discusses their efforts on SMRs. NEA coordinates many research programmes relating to nuclear energy, and has now created a SMR strategy to facilitate their adoption.
NEA has created a new Expert Group on Small Modular Reactors that has begun working on the topic. The group aims to foster international collaboration, support understanding of cross-cutting issues, advance understanding, and support V&V activities.
Yves Desbazeille of Nucleareurope describes the effort of European SMR Pre-partnership. European Comission aims to have a partnership on accelerating deployment of SMRs across Europe, and this work paves the way for it. Issues include financing, licensing, supply chain and R&D.
Desbazeille is careful reading the work stream belonging to the nuclear safety authorities. But, the aim: to look into establishing European pre-licensing pathway.
I presented work done at ELSMOR during the last three years. Lots of our work is available through project website ELSMOR.EU
Now Claire Vaglio-Gaudard from CEA presents the TANDEM project she is coordinating. TANDEM started this autumn, and investigates the prospects of SMRs in future energy systems where they produce not only electricity but also heat and hydrogen.
TANDEM looks both the economic opportunities as well as safety challenges involved when nuclear energy is used for various energy services. They also use E-SMR dataset developed in ELSMOR for safety assessment.
Sylvie Cadet-Mercier from ASN (French nuclear authority) describes the licensing part of SMR pre-partnership project and the Nuward pre-licensing collaboration between the designers and several European regulators.
We have one remote presenter, Debbie Francis from EdF presenting the French SMR design, Nuward. Quite a lot of discussion during the day has centered around Nuward design.
Matti Kattainen from Fortum starts by wishing everyone good Finnish independence day, and continues by describing the history of Fortum’s SMR work. Starting from a small vision to a large project portfolio.
Kattainen tells also of Fortum’s feasibility study on newbuild, as well as on the risks investigated. Collaboration and R&D help with mitigating these risks.
Lavinia Rizea, atomic energy attachea of permanent representation of Romania describes the Romanian ambition on SMRs. Romania operates CANDU reactors but has more need for low carbon energy. They’re collaborating with NuScale for newbuild.
Romania aims to construct a six-pack version of NuScale to replace Doicesti coal plant, with option for solar field and H2 production for nearby steel factory.
And that’s it for today, we continue tomorrow with more scientific / technical part of the workshop.

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More from @VTulkki

Aug 28
On muuten helvetin raskasta tämä viime päivien energiatwitter. Juoksuhaudat kunnossa ja syyllisiä etsimässä.

En mää täsä syylissi kaipaa yhtikäs. Ympäristöystävällist, tuotantovarmaa ja edullist enerkiaa mä kaipasi.
Syyllisiä on tottakai helppo löytää mistä vain suunnasta kun oikein katsotaan. Ja sankareita olemme jokainen.

Kun vain elämä olisi niin helppoa.

Sunnuntain kunniaksi leikin sofistia ja suututan kaikki.
Tuuli- ja aurinkovoima ovat vähäpäästöisiä energianlähteitä joita on nopea lisätä ja jotka ovat nyt laskennallisesti halvimpia.

Toisaalta niiden vallitsemassa energiajärjestelmässä sähkön hinta heiluu ilmaisesta kalliiseen by design eikä tuotannon hinta vastaa sen arvoa.
Read 9 tweets
Jun 20, 2021
Työskentelen ydinenergian parissa. On näköjään tietty aika vuodesta* jolloin kiertää väite että ydinvoiman vastustus on ilmastokriisin syy. Ajatus että jos sitä ei olisi vastustettu niin homma olisi taputeltu. Ei näin. Ketju 1/512.

(* vain kuukausina jotka loppuvat u-kirjaimeen)
Ydinenergiaa lähdettiin rakentamaan innolla, mutta syitä miksi sen rakentaminen hiipui oli mm.

1) mopo lähti käsistä ja yritettiin liikaa;
2) energiakriisi loppui kun paremmilla teknologioilla saatiin halpaa fossiilista (tapahtui uudestaan maakaasun kanssa 2000-luvulla);
2/512
3) energiamarkkinat dereguloitiin jolloin niistä saatiin tehokkaita mutta varoja isoihin investointeihin ei ollut;
4) valtion roolia haluttiin minimoida;
5) olemassa olevien energiayhtiöiden vastustus;

…tässä muutama syy. Ei kaikki kaikkialla mutta joku yhdistelmä.

3/512
Read 13 tweets
Apr 5, 2020
Nyt koronakriisin jälkihoitoa ennakoidessa on näkynyt vähän samaa kuin viime vuonna ilmastokriisin yhteydessä: jokainen taho julistaa että nyt kun on tosi kyseessä niin juuri heidän suosikkiratkaisuunsa pitää panostaa.
Jotta en olisi pekkaa pahempi, niin muutama oma mielipide:

Tämä ei ole viimeinen kriisi. Jos systeemi ei kestä muutaman kuukauden pysähdystä ilman että isoa joukkoa heikommassa asemassa olevia kurmootetaan vielä lisää, niin miten perusteltavissa sen olemassaolo on?
Korona ei tuhoa fyysistä infraa kuten sodat, mutta uudelleenrakentamista tarvitaan sillä ilmastonmuutoksen torjunta (yms yms).

Sodasta toivuttaessa rakennettiin hyvinvointivaltio. Koska yhteiskunta on kaikkia varten.
Read 9 tweets
Feb 16, 2020
Since I’ve been commenting that the intermittency of renewable energy diminishes their value at high % of total production, ”VRE self-cannibalization”, I assume I’m going to be hit by this paper a lot later on.

So, some thoughts.
First sentence of the abstract:
”Although recent studies have shown that electricity systems with shares of wind and solar above 80% can be affordable, economists have raised concerns about market integration.”

Note very specific scoping. Market integration.
Basically the paper argues that the diminishing market value of VRE would be due to specific policies pushing higher VRE % than what would come with equilibrium markets - which is probably quite uncontested.
Read 9 tweets
Feb 25, 2019
So, STUK is hosting a media event on OL3 EPR operating license. Starting now.
We have a full room here at VTT following the webcast of the event.

Some technical difficulties at the start.

But we are now go!
Kirsi Alm-Lynz describes the current situation in Finland. Operating units in Loviisa and Olkiluoto, construction license application for FH1 at Hanhikivi, Terrafame mining operation with uranium side stream. But, operation license application of OL3 is today’s topic.
Read 12 tweets
Jan 26, 2019
So the German commission on coal exit has reached a recommendation to keep burning coal for the next two decades.

Well there’s a staggered closure of coal and lignite plants. spiegel.de/wirtschaft/soz…
From Google translation:
”lignite-fired power plants with a capacity of three gigawatts and four gigawatt coal-fired power plants are to be shut down by 2022 . [...] in 2022 altogether even kilns with a capacity of around 12.5 gigawatts will be disconnected”
”By 2030 , another six gigawatts of lignite and seven gigawatts of hard coal are expected to come off the grid. In total, coal power plants with a capacity of 17 gigawatts would still be on the grid.”

German coal capacity is HUGE. After closure of 25 GW still 17 GW remains.
Read 8 tweets

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