JP Harreman
@harreman.bsky.social
Director at Montel Analytics, Energy market geek, European short-term power trading analytics platform, speaker, occasionally posts about border collies, Zeeland, music, languages.
https://www.linkedin.com/in/jharreman
jeanpaul.harreman(at)montel.energy
https://www.linkedin.com/in/jharreman
jeanpaul.harreman(at)montel.energy
Balancing act: Europe’s reserve markets under strain
in this blog I explore Europe’s push to harmonize balancing markets and why integration has cut costs yet has also exposed cracks that have led to painful price shocks and which regulators must fix. montelnews.com/news/fa62ea5...
in this blog I explore Europe’s push to harmonize balancing markets and why integration has cut costs yet has also exposed cracks that have led to painful price shocks and which regulators must fix. montelnews.com/news/fa62ea5...
Balancing act: Europe’s reserve markets under strain
Balancing market integration cut costs but exposed faults — rule misalignments, IT glitches and limited cross‑border capacity triggered brutal price shocks; regulators must act.
montelnews.com
December 3, 2025 at 10:34 AM
Balancing act: Europe’s reserve markets under strain
in this blog I explore Europe’s push to harmonize balancing markets and why integration has cut costs yet has also exposed cracks that have led to painful price shocks and which regulators must fix. montelnews.com/news/fa62ea5...
in this blog I explore Europe’s push to harmonize balancing markets and why integration has cut costs yet has also exposed cracks that have led to painful price shocks and which regulators must fix. montelnews.com/news/fa62ea5...
Sweden’s Intraday power market is becoming more liquid, even in weekends. Looks like renewables are stepping in to fix a lack of downward flexibility in the market. #renewables
When I presented at the Montel Analytics day in September, I highlighted that Sweden was starting to see higher intraday trading volumes. With the transition to quarter-hourly markets, especially SE3…...
When I presented at the Montel Analytics day in September, I highlighted that Sweden was starting to see higher intraday trading volumes. With the transition to quarter-hourly markets, especially SE3 ...
www.linkedin.com
October 19, 2025 at 5:06 PM
Sweden’s Intraday power market is becoming more liquid, even in weekends. Looks like renewables are stepping in to fix a lack of downward flexibility in the market. #renewables
Curtailment is on the rise, renewable flex is causing issues, that were previously unthinkable. www.linkedin.com/pulse/impact...
The Impact of Curtailment on Intraday Markets
I’ll be in power markets for 25 years in 2026. Obviously, that makes me an old man in the industry, but it also means I’ve seen many changes to regulation, market mechanism, market dynamics and some m...
www.linkedin.com
October 17, 2025 at 5:46 PM
Curtailment is on the rise, renewable flex is causing issues, that were previously unthinkable. www.linkedin.com/pulse/impact...
Great project to have been involved in… nos.nl/l/2585692
Meer reuzebatterijen, maar hoge kosten stroomnet remmen groei wel af
Hoewel het aantal reuzebatterijen in Nederland gestaag groeit, is er geen juichstemming in de sector. Bedrijven hebben vooral last van de hoge nettarieven.
nos.nl
October 8, 2025 at 5:21 PM
Great project to have been involved in… nos.nl/l/2585692
The new 15-minute day-ahead auctions went live this week, marking one of the most significant changes in the European power market to date.
October 5, 2025 at 7:03 PM
The new 15-minute day-ahead auctions went live this week, marking one of the most significant changes in the European power market to date.
Montel Analytics PL Trading Dashboard | Jean-Paul Harreman
Did you know we have a great product for short-term analysis for Poland? Meet Gábor Szatmári and Hubert Put in Warsaw next week. They can show you around the platform and help you understand the impac...
lnkd.in
September 19, 2025 at 6:47 PM
Call it Stormy Monday, and Tuesday was just as bad! 15th September saw so much wind, price sensitive curtailment,
reached 23 GW in Western Europe. DE (10 GW), FR (6.8 GW) NL (4.4 GW) worst hit, with curtailments during night and the high volumes during the afternoon.
www.linkedin.com/posts/jharre...
reached 23 GW in Western Europe. DE (10 GW), FR (6.8 GW) NL (4.4 GW) worst hit, with curtailments during night and the high volumes during the afternoon.
www.linkedin.com/posts/jharre...
Let’s call it Stormy Monday, and Tuesday could be just as bad! On the 15th of September we’ll see lots of wind, so much, that we will see price sensitive curtailment, up to 23 GW in Western Europe… | ...
Let’s call it Stormy Monday, and Tuesday could be just as bad! On the 15th of September we’ll see lots of wind, so much, that we will see price sensitive curtailment, up to 23 GW in Western Europe. Ge...
www.linkedin.com
September 16, 2025 at 9:01 PM
Call it Stormy Monday, and Tuesday was just as bad! 15th September saw so much wind, price sensitive curtailment,
reached 23 GW in Western Europe. DE (10 GW), FR (6.8 GW) NL (4.4 GW) worst hit, with curtailments during night and the high volumes during the afternoon.
www.linkedin.com/posts/jharre...
reached 23 GW in Western Europe. DE (10 GW), FR (6.8 GW) NL (4.4 GW) worst hit, with curtailments during night and the high volumes during the afternoon.
www.linkedin.com/posts/jharre...
GB Sets New Record for Cumulative Negative Power Prices
On 15 September, the cumulative total of negative-price hours in the GB market has now surpassed previous records, reaching the highest level for this time of year. www.linkedin.com/posts/jake-t...
On 15 September, the cumulative total of negative-price hours in the GB market has now surpassed previous records, reaching the highest level for this time of year. www.linkedin.com/posts/jake-t...
#wind #balancing #cfd #negativepricing #powermarkets #gb | Jake Thompson, Ph.D.
GB Sets New Record for Cumulative Negative Power Prices - 15th September
On 15 September, the GB Day-ahead auctions cleared with eight hours of negative prices for EPEX, while Nordpool had 11 more ho...
www.linkedin.com
September 16, 2025 at 8:56 PM
GB Sets New Record for Cumulative Negative Power Prices
On 15 September, the cumulative total of negative-price hours in the GB market has now surpassed previous records, reaching the highest level for this time of year. www.linkedin.com/posts/jake-t...
On 15 September, the cumulative total of negative-price hours in the GB market has now surpassed previous records, reaching the highest level for this time of year. www.linkedin.com/posts/jake-t...
No power plant in the market always runs at 100% of capacity, yet with renewables we have always done that.
Commercial curtailment is the third major trend, shifting the way the power market works, after wind and solar changed markets forever.
Read my column here:
montelnews.com/news/ddb553a...
Commercial curtailment is the third major trend, shifting the way the power market works, after wind and solar changed markets forever.
Read my column here:
montelnews.com/news/ddb553a...
September 10, 2025 at 8:05 AM
No power plant in the market always runs at 100% of capacity, yet with renewables we have always done that.
Commercial curtailment is the third major trend, shifting the way the power market works, after wind and solar changed markets forever.
Read my column here:
montelnews.com/news/ddb553a...
Commercial curtailment is the third major trend, shifting the way the power market works, after wind and solar changed markets forever.
Read my column here:
montelnews.com/news/ddb553a...
The current heatwave has highlighted that fitting the right pieces together in European power markets, gets disrupted by extreme weather.
#powermarkets #europeanpower #electricity #renewables #nuclear #flexibility #negativeprices #batteries
montelnews.com/news/c1c9f35...
#powermarkets #europeanpower #electricity #renewables #nuclear #flexibility #negativeprices #batteries
montelnews.com/news/c1c9f35...
European heatwave is jamming the grid’s shape-sorting toy
As much of Europe swelters, power demand is rising sharply and the strain on energy systems is unfolding in real time. From surging evening prices to overstretched ancillary services and reduced nucle...
montelnews.com
July 2, 2025 at 6:32 AM
The current heatwave has highlighted that fitting the right pieces together in European power markets, gets disrupted by extreme weather.
#powermarkets #europeanpower #electricity #renewables #nuclear #flexibility #negativeprices #batteries
montelnews.com/news/c1c9f35...
#powermarkets #europeanpower #electricity #renewables #nuclear #flexibility #negativeprices #batteries
montelnews.com/news/c1c9f35...
Highest evening peak prices of the summer so far... heatwave is overheating the evening peak.
June 30, 2025 at 1:22 PM
Highest evening peak prices of the summer so far... heatwave is overheating the evening peak.