Dominik Keiner
@dominikkeiner.bsky.social
Bachelor of Engineering, Master of Science 📚 Junior Researcher at LUT University's Solar Economy research group 👨🏻💻 Techno-economic modelling of CDR in 100% renewable energy systems ☀️💨💧🌱
linktr.ee/dkeiner
linktr.ee/dkeiner
Reposted by Dominik Keiner
Podcast on Impact of Backtracking Strategies on Value of Single-axis Tracking Solar PV youtu.be/3cOQHNwBdl8 for this article from 2024 doi.org/10.1016/j.so...
@lut.fi @dominikkeiner.bsky.social
@lut.fi @dominikkeiner.bsky.social
Impact of Backtracking Strategies on Value of Single-axis Tracking Solar PV
YouTube video by Christian Breyer
youtu.be
November 10, 2025 at 7:07 PM
Podcast on Impact of Backtracking Strategies on Value of Single-axis Tracking Solar PV youtu.be/3cOQHNwBdl8 for this article from 2024 doi.org/10.1016/j.so...
@lut.fi @dominikkeiner.bsky.social
@lut.fi @dominikkeiner.bsky.social
📰🌍🚀 Solar #PV, #wind, and #battery costs have dropped far faster than models predicted, reaching levels decades ahead, highlighting outdated pessimism that risks misdirecting #climate investments and distorting #decarbonization strategies. @lut.fi @christianonre.bsky.social
The future arrived early: Why our energy cost forecasts need to catch up
While solar modules and batteries have become icons of rapid progress, most energy models are still stuck in the past. A new global analysis shows that the cost of renewable energy has fallen far fast...
www.pv-magazine.com
November 11, 2025 at 12:04 PM
📰🌍🚀 Solar #PV, #wind, and #battery costs have dropped far faster than models predicted, reaching levels decades ahead, highlighting outdated pessimism that risks misdirecting #climate investments and distorting #decarbonization strategies. @lut.fi @christianonre.bsky.social
Reposted by Dominik Keiner
Podcast on Maldives Energy Transition - OTEC's Potential for a Net Zero Future youtu.be/udr0Y5cxk8o for this article from 2024 doi.org/10.1016/j.en...
@lut.fi @dominikkeiner.bsky.social @rasul385.bsky.social
@lut.fi @dominikkeiner.bsky.social @rasul385.bsky.social
Maldives Energy Transition - OTEC's Potential for a Net Zero Future
YouTube video by Christian Breyer
youtu.be
October 18, 2025 at 12:20 PM
Podcast on Maldives Energy Transition - OTEC's Potential for a Net Zero Future youtu.be/udr0Y5cxk8o for this article from 2024 doi.org/10.1016/j.en...
@lut.fi @dominikkeiner.bsky.social @rasul385.bsky.social
@lut.fi @dominikkeiner.bsky.social @rasul385.bsky.social
📰🌍🚀 Solar #PV dominates the #energy #transition, yet models often ignore current technologies. This column urges energy system modelers to align scenarios with real-world #solar PV progress, offering key studies as #inspiration.
@lut.fi @christianonre.bsky.social
@lut.fi @christianonre.bsky.social
Solar PV needs more nuanced assumptions in energy system modelling
Solar PV currently evolves as the most important source of energy. Many energy system models still do not consider technologies that are already standard in today’s solar PV market. This article provi...
www.pv-magazine.com
October 10, 2025 at 12:35 PM
📰🌍🚀 Solar #PV dominates the #energy #transition, yet models often ignore current technologies. This column urges energy system modelers to align scenarios with real-world #solar PV progress, offering key studies as #inspiration.
@lut.fi @christianonre.bsky.social
@lut.fi @christianonre.bsky.social
Final final versions are for beginners… -> prefinal3 🤟🏻😆
PhD’s Log:
Skills you will lose if you leave academia:
✅ Answering questions with “That is beyond the scope of this project.”
✅ Deleting “Dear eminent scholar” emails from your inbox
✅ Coming up with new ways to call the final final version of the paper
Skills you will lose if you leave academia:
✅ Answering questions with “That is beyond the scope of this project.”
✅ Deleting “Dear eminent scholar” emails from your inbox
✅ Coming up with new ways to call the final final version of the paper
October 8, 2025 at 6:14 AM
Final final versions are for beginners… -> prefinal3 🤟🏻😆
🪫->😎->🔋
Batteries are set ready to power the world - now the first 8 hour storage system wenz online in Australia
www.pv-magazine.com/2025/09/30/a...
Batteries are set ready to power the world - now the first 8 hour storage system wenz online in Australia
www.pv-magazine.com/2025/09/30/a...
Australia registers first eight-hour duration grid battery
Australia has commissioned its first eight-hour-duration battery energy storage system, marking a key milestone in the nation’s transition to renewable energy.
www.pv-magazine.com
September 30, 2025 at 4:53 PM
🪫->😎->🔋
Batteries are set ready to power the world - now the first 8 hour storage system wenz online in Australia
www.pv-magazine.com/2025/09/30/a...
Batteries are set ready to power the world - now the first 8 hour storage system wenz online in Australia
www.pv-magazine.com/2025/09/30/a...
#Finland and the rest, pay attention to this 👇🏻 Nuclear power is not the way foward 👎🏻
1/ New @lut.fi study in collaboration with European partners finds prioritising nuclear power expansion over renewable energy (RE) leads to 71–84% higher annual system costs in Finland by 2050 compared to a cost-optimised RE system. doi.org/10.1016/j.en...
September 29, 2025 at 4:23 PM
#Finland and the rest, pay attention to this 👇🏻 Nuclear power is not the way foward 👎🏻
Reposted by Dominik Keiner
Podcast on Global Heat Demand - Space Heating, Domestic Hot Water, Industrial Heat, Biomass for Cooking youtu.be/jusGbwOwxuo for this paper from 2021 doi.org/10.3390/en14...
@lut.fi @dominikkeiner.bsky.social @siavashkhalili.bsky.social
@lut.fi @dominikkeiner.bsky.social @siavashkhalili.bsky.social
Global Heat Demand - Space Heating, Domestic Hot Water, Industrial Heat, Biomass for Cooking
YouTube video by Christian Breyer
youtu.be
September 20, 2025 at 6:38 PM
Podcast on Global Heat Demand - Space Heating, Domestic Hot Water, Industrial Heat, Biomass for Cooking youtu.be/jusGbwOwxuo for this paper from 2021 doi.org/10.3390/en14...
@lut.fi @dominikkeiner.bsky.social @siavashkhalili.bsky.social
@lut.fi @dominikkeiner.bsky.social @siavashkhalili.bsky.social
🎬🍿 AI-generated summary video for our paper "𝘌𝘯𝘦𝘳𝘨𝘺 𝘥𝘦𝘮𝘢𝘯𝘥 𝘦𝘴𝘵𝘪𝘮𝘢𝘵𝘪𝘰𝘯 𝘶𝘴𝘪𝘯𝘨 𝘢 𝘱𝘳𝘦-𝘱𝘳𝘰𝘤𝘦𝘴𝘴𝘪𝘯𝘨 𝘮𝘢𝘤𝘳𝘰-𝘦𝘤𝘰𝘯𝘰𝘮𝘪𝘤 𝘮𝘰𝘥𝘦𝘭𝘭𝘪𝘯𝘨 𝘵𝘰𝘰𝘭 𝘧𝘰𝘳 21𝘴𝘵 𝘤𝘦𝘯𝘵𝘶𝘳𝘺 𝘵𝘳𝘢𝘯𝘴𝘪𝘵𝘪𝘰𝘯 𝘢𝘯𝘢𝘭𝘺𝘴𝘦𝘴" doi.org/10.1016/j.en...
@lut.fi @christianonre.bsky.social
@lut.fi @christianonre.bsky.social
Energy demand of the 21st century for power, heat, transport, industry, desalination, CDR sectors
YouTube video by Dominik Keiner
youtu.be
September 19, 2025 at 6:19 AM
🎬🍿 AI-generated summary video for our paper "𝘌𝘯𝘦𝘳𝘨𝘺 𝘥𝘦𝘮𝘢𝘯𝘥 𝘦𝘴𝘵𝘪𝘮𝘢𝘵𝘪𝘰𝘯 𝘶𝘴𝘪𝘯𝘨 𝘢 𝘱𝘳𝘦-𝘱𝘳𝘰𝘤𝘦𝘴𝘴𝘪𝘯𝘨 𝘮𝘢𝘤𝘳𝘰-𝘦𝘤𝘰𝘯𝘰𝘮𝘪𝘤 𝘮𝘰𝘥𝘦𝘭𝘭𝘪𝘯𝘨 𝘵𝘰𝘰𝘭 𝘧𝘰𝘳 21𝘴𝘵 𝘤𝘦𝘯𝘵𝘶𝘳𝘺 𝘵𝘳𝘢𝘯𝘴𝘪𝘵𝘪𝘰𝘯 𝘢𝘯𝘢𝘭𝘺𝘴𝘦𝘴" doi.org/10.1016/j.en...
@lut.fi @christianonre.bsky.social
@lut.fi @christianonre.bsky.social
If this is true… 🤯
All is not well at Elsevier richardtol.substack.com/p/fraud-and-...
Fraud and cover-up
Fraud and cover-up
richardtol.substack.com
September 16, 2025 at 10:03 AM
If this is true… 🤯
📰🌍🚀 #Industry is hard to defossilize due to high energy needs, nonstop operations, and process emissions. #Hydrogen role may be overestimated, while solar #PV - being cheapest - could enable broad #electrification.
@christianonre.bsky.social @lut.fi www.pv-magazine.com/2025/09/12/s...
@christianonre.bsky.social @lut.fi www.pv-magazine.com/2025/09/12/s...
Solar-to-X enables industrial defossilization turning power to molecules or materials
The industry sector is most challenging to defossilize, due to high energy and feedstock demand, large and continuously running production plants, hard-to-abate process emissions, and infrastructural ...
www.pv-magazine.com
September 15, 2025 at 6:13 AM
📰🌍🚀 #Industry is hard to defossilize due to high energy needs, nonstop operations, and process emissions. #Hydrogen role may be overestimated, while solar #PV - being cheapest - could enable broad #electrification.
@christianonre.bsky.social @lut.fi www.pv-magazine.com/2025/09/12/s...
@christianonre.bsky.social @lut.fi www.pv-magazine.com/2025/09/12/s...
Reposted by Dominik Keiner
A few days ago there was a nice milestone: 100 podcasts on research articles in my team! www.youtube.com/@ChristianOnRE and growing ... right now with 82 subscribers - pls feel free to join. Thx to all the many coworkers within the team & all around the world. Marius, special thx!
Christian Breyer
I am professor for Solar Economy at LUT University, Finland. Research in my team is on the integrated research of technological and economic characteristics of renewable energy systems specialising in...
www.youtube.com
September 11, 2025 at 10:42 AM
A few days ago there was a nice milestone: 100 podcasts on research articles in my team! www.youtube.com/@ChristianOnRE and growing ... right now with 82 subscribers - pls feel free to join. Thx to all the many coworkers within the team & all around the world. Marius, special thx!
🔥New research on bifacial solar #PV modelling and power system impact. No game changer, but still valuable addition to the technology portfolio. @lut.fi
1/ New research @lut.fi @dominikkeiner.bsky.social doi.org/10.1016/j.en... on bifacial solar PV presents a novel investigation of the yield modelling, power system impact of its large-scale adoption and capacity-density optimisation.
September 10, 2025 at 12:32 PM
The most annoying part of being a researcher: Investing hours in adapting research proposals (for paying your own salary) to specific requirements and layouts of funders over and over again, so that a REVIEWER can kill it because he/she doesn‘t like it (w/o getting reviewer reports after rejection)🤦🏻♂️
a man in a suit and tie is sitting in a corner with his hands on his knees .
ALT: a man in a suit and tie is sitting in a corner with his hands on his knees .
media.tenor.com
August 29, 2025 at 11:44 AM
The most annoying part of being a researcher: Investing hours in adapting research proposals (for paying your own salary) to specific requirements and layouts of funders over and over again, so that a REVIEWER can kill it because he/she doesn‘t like it (w/o getting reviewer reports after rejection)🤦🏻♂️
Reposted by Dominik Keiner
"huge solar PV demand for Africa ahead" - that's what we find since year. The energy system solution for Africa is largely PV+battery as the core & most important backbone. Additional articles would be these ones: www.cell.com/iscience/ful... ; www.cell.com/joule/fullte... ; doi.org/10.1016/j.eg...
August 27, 2025 at 1:55 PM
"huge solar PV demand for Africa ahead" - that's what we find since year. The energy system solution for Africa is largely PV+battery as the core & most important backbone. Additional articles would be these ones: www.cell.com/iscience/ful... ; www.cell.com/joule/fullte... ; doi.org/10.1016/j.eg...
😎☀️Well this is good news! There is a huge potential ahead for Africa 🌍 (and South Asia): doi.org/10.1016/j.so...
@christianonre.bsky.social
@christianonre.bsky.social
According to a new analysis from @ember-energy.org , Africa is showing signs of an impending solar boom! Imports of solar panels have increased 60% over the last 12 months across the continent as a whole, with 20 countries reaching record levels. ember-energy.org/latest-insig...
The first evidence of a take-off in solar in Africa | Ember
There has been a major pick-up in solar panel imports into Africa over the last 12 months - a shift that is likely to impact almost every country on the continent.
ember-energy.org
August 26, 2025 at 3:58 PM
😎☀️Well this is good news! There is a huge potential ahead for Africa 🌍 (and South Asia): doi.org/10.1016/j.so...
@christianonre.bsky.social
@christianonre.bsky.social
#Trump climate report has so many misleading information and false claims that it takes forever to read the entire #factcheck. @carbonbrief.org, well done 👍🏻
Factcheck: Trump’s climate report includes more than 100 false or misleading claims
interactive.carbonbrief.org
August 25, 2025 at 4:17 PM
#Trump climate report has so many misleading information and false claims that it takes forever to read the entire #factcheck. @carbonbrief.org, well done 👍🏻
#ThrowbackThursday #TBT ☀️🍃⚡️
Over one year ago our study on the Seychelles introducing a new EnergyPLAN-based optimisation tool was published.
Check it out (it‘s #OpenAccess) 👇🏻
Over one year ago our study on the Seychelles introducing a new EnergyPLAN-based optimisation tool was published.
Check it out (it‘s #OpenAccess) 👇🏻
🔥 New research available: doi.org/10.1016/j.en...
Please find a detailed 🧵 on the findings 👇🏻
@christianonre.bsky.social
Thanks to the Jenny and Antti Wihuri Foundation for the grant enabling this research!
Please find a detailed 🧵 on the findings 👇🏻
@christianonre.bsky.social
Thanks to the Jenny and Antti Wihuri Foundation for the grant enabling this research!
1/ New research @UniLUT @KeinerDominik www.sciencedirect.com/science/arti... presents the role of wave power in #Seychelles applying a novel optimisation tool based on @EnergyPLANmodel via structured sensitivity analysis for 2030, 2050; e-fuel import and domestic production.
August 21, 2025 at 7:06 AM
#ThrowbackThursday #TBT ☀️🍃⚡️
Over one year ago our study on the Seychelles introducing a new EnergyPLAN-based optimisation tool was published.
Check it out (it‘s #OpenAccess) 👇🏻
Over one year ago our study on the Seychelles introducing a new EnergyPLAN-based optimisation tool was published.
Check it out (it‘s #OpenAccess) 👇🏻
📰🌍🚀
Wave power shows strong potential as a renewable source, especially for coastal and island regions. Complementary to solar PV worldwide, it could support hybrid systems. Islands may gain the most from combining wave power with solar PV.
@lut.fi @christianonre.bsky.social
Wave power shows strong potential as a renewable source, especially for coastal and island regions. Complementary to solar PV worldwide, it could support hybrid systems. Islands may gain the most from combining wave power with solar PV.
@lut.fi @christianonre.bsky.social
Wave power poised to complement solar PV in future global energy mix
Wave power may emerge as a valuable renewable energy source given recent economic and technical projections indicating a substantial potential of wave energy, particularly in coastal and island region...
www.pv-magazine.com
August 18, 2025 at 11:42 AM
📰🌍🚀
Wave power shows strong potential as a renewable source, especially for coastal and island regions. Complementary to solar PV worldwide, it could support hybrid systems. Islands may gain the most from combining wave power with solar PV.
@lut.fi @christianonre.bsky.social
Wave power shows strong potential as a renewable source, especially for coastal and island regions. Complementary to solar PV worldwide, it could support hybrid systems. Islands may gain the most from combining wave power with solar PV.
@lut.fi @christianonre.bsky.social
📰🌍🚀
The role of solar PV in Indonesia will extend; it will also include the production of e-fuels for hard-to-abate segments as alternative to land-intensive biofuel production. Various scenarios show the cost-competitiveness of solar PV in Indonesia’s renewable energy transition.
The role of solar PV in Indonesia will extend; it will also include the production of e-fuels for hard-to-abate segments as alternative to land-intensive biofuel production. Various scenarios show the cost-competitiveness of solar PV in Indonesia’s renewable energy transition.
Solar energy to drive Indonesia’s transition away from coal, biofuels
The role of solar PV in Indonesia will extend beyond replacing coal-based electricity generation; it will also include the production of e-fuels for hard-to-abate segments, offering an alternative to ...
www.pv-magazine.com
July 16, 2025 at 9:56 AM
📰🌍🚀
The role of solar PV in Indonesia will extend; it will also include the production of e-fuels for hard-to-abate segments as alternative to land-intensive biofuel production. Various scenarios show the cost-competitiveness of solar PV in Indonesia’s renewable energy transition.
The role of solar PV in Indonesia will extend; it will also include the production of e-fuels for hard-to-abate segments as alternative to land-intensive biofuel production. Various scenarios show the cost-competitiveness of solar PV in Indonesia’s renewable energy transition.
Cost-competitiveness for green hydrogen using intermittent renewable energy sources remains a significant challenge. Researchers have shown that considerable cost reductions can be achieved by optimizing plant control and design based on specific hydrogen demand targets and local weather conditions.
Simultaneous optimization of plant design, control unlocks cost-competitive green hydrogen
Achieving cost-competitiveness for green hydrogen produced via water electrolysis using intermittent renewable energy sources remains a significant challenge. Researchers from LUT University in Finlan...
www.pv-magazine.com
June 12, 2025 at 6:19 AM
Cost-competitiveness for green hydrogen using intermittent renewable energy sources remains a significant challenge. Researchers have shown that considerable cost reductions can be achieved by optimizing plant control and design based on specific hydrogen demand targets and local weather conditions.
Reposted by Dominik Keiner
1/ New research @lut.fi @dominikkeiner.bsky.social doi.org/10.1088/1748... presents a quantification of the portfolio-wide area intensity for carbon dioxide removal (CDR) integrated in an energy-industry system.
May 15, 2025 at 4:00 PM
1/ New research @lut.fi @dominikkeiner.bsky.social doi.org/10.1088/1748... presents a quantification of the portfolio-wide area intensity for carbon dioxide removal (CDR) integrated in an energy-industry system.
📰🌍🚀
To address the variability of renewable energy for a stable supply, 22 distinct types of flexibility options are found in 100% renewable energy systems research articles, categorized into power-to-X, energy storage, demand response, transmission and distribution grids, and curtailment.
@lut.fi
To address the variability of renewable energy for a stable supply, 22 distinct types of flexibility options are found in 100% renewable energy systems research articles, categorized into power-to-X, energy storage, demand response, transmission and distribution grids, and curtailment.
@lut.fi
Flexibility options are a central concept for highly renewable energy systems research
To address the variability of renewable energy for a stable supply, 22 distinct types of flexibility options are found in 100% renewable energy systems research articles, categorized into power-to-X, ...
www.pv-magazine.com
May 13, 2025 at 7:02 AM
📰🌍🚀
To address the variability of renewable energy for a stable supply, 22 distinct types of flexibility options are found in 100% renewable energy systems research articles, categorized into power-to-X, energy storage, demand response, transmission and distribution grids, and curtailment.
@lut.fi
To address the variability of renewable energy for a stable supply, 22 distinct types of flexibility options are found in 100% renewable energy systems research articles, categorized into power-to-X, energy storage, demand response, transmission and distribution grids, and curtailment.
@lut.fi
📰🌍🚀
The WEO @iea.org has been a report on energy statistics and guiding future energy supply and demand developments. An examination of these reports indicates that even the progressive WEO scenarios vastly underestimate the growth of #RE, especially PV. @christianonre.bsky.social
shorturl.at/YnORe
The WEO @iea.org has been a report on energy statistics and guiding future energy supply and demand developments. An examination of these reports indicates that even the progressive WEO scenarios vastly underestimate the growth of #RE, especially PV. @christianonre.bsky.social
shorturl.at/YnORe
IEA’s World Energy Outlook systemically underestimates solar PV development
Since 1993, the World Energy Outlook (WEO) of the International Energy Agency (IEA) has been an authoritative report on energy statistics and guiding future energy supply and demand developments. An e...
shorturl.at
April 11, 2025 at 12:23 PM
📰🌍🚀
The WEO @iea.org has been a report on energy statistics and guiding future energy supply and demand developments. An examination of these reports indicates that even the progressive WEO scenarios vastly underestimate the growth of #RE, especially PV. @christianonre.bsky.social
shorturl.at/YnORe
The WEO @iea.org has been a report on energy statistics and guiding future energy supply and demand developments. An examination of these reports indicates that even the progressive WEO scenarios vastly underestimate the growth of #RE, especially PV. @christianonre.bsky.social
shorturl.at/YnORe
🤔
Oh, I finally got it!
Trump is secretly a “de-growther” and he is tanking the economy to help the environment.
Right? Right?! 🤣
Trump is secretly a “de-growther” and he is tanking the economy to help the environment.
Right? Right?! 🤣
April 8, 2025 at 7:06 AM
🤔