Third Party Access to storage compensation for 2019: CRE decision of 14 March 2019

In its latest newsletter, the CRE [French Energy Regulatory Commission] provided an update on the 2019-2020 storage capacity auctions and published the storage compensation tariff component (‘storage compensation’) value applicable from 1 April 2019.

The entirety of the natural gas storage capacity put up for auction was subscribed. The CRE underlined the success of the 2019-2020 storage capacity auctions, the second auctioning campaign launched since the 2018 reform of third-party access to gas storage was introduced. Organised by Storengy and Teréga, the auctions began on 13 November 2018 and concluded on 21 February 2019: 28 sales took place. The total amount of capacities being auctioned was allocated, at prices that varied between €0.83/MWh and €4.29/MWh. Revenue from auctions therefore tripled in comparison with the previous year (which had resulted in prices of between €0 and €2.02/MWh).

The CRE set the storage compensation tariff component value applicable from 1 April 2019 at €213.46/MWh/day/year, representing a decrease of 28% when compared to the previous year. This tariff component, added to  the tariffs for using the natural gas transmission networks (ATRT) in 2018, corresponds to the difference between the authorised revenues for storage operators (Storengy, Teréga and Géométhane) set by the CRE and the forecasts for income collected directly by these operators, following the results of the storage auctions. The storage compensation is collected on a monthly basis by transmission operators (GRTgaz and Teréga) and transferred to the storage operators.

But could there still be problems hidden behind these seemingly positive results?

  1. As regards the sale of storage capacities, the CRE indicated that a number of capacities were subscribed under long-term contracts outside the scope of auctions. In total, the subscribed capacities came to 129 TWh for 2019/2020. The CRE underlined that these positive results helped guarantee the security of natural gas supply in France for the 2019-2020 winter season and also confirmed that the auction modalities established by the CRE functioned well.

The new auctioning modalities for storage capacities were no strangers to the positive results recorded this year. Last year, in the haste rendered necessary by the late adoption of the storage reforms, auctions took place during a very restricted timeframe: from 5 to 26 March 2018. The result was a collapse of the winter-summer spread for PEG [gas transfer facility] hub:

This year, the auctioning period took place over three months rather than three weeks, with limited volumes up for sale each time, explaining the tripling in auction revenues. Although auctioning conditions were much better this year, certain products (particularly slow storages) still only yielded limited value. In addition to questioning their true utility to the security of natural gas supply in France, the question of whether storage operators could offer a better product mix at auctions should also be raised.

  1. The regulated storages perimeter

As already mentioned in the introduction, storage compensation helps cover the difference between authorised revenues for storage operators, established by the CRE, and forecasts of their income derived primarily from the results of the storage auctions.

The CRE updated the authorised revenues for storage operators last December (decision dated 13 December 2018) but did not call into question the perimeter of regulated storages set in March 2018. Hence, this scope still includes:

  • Sites in operation: 138 TWh
  • Mothballed sites:5 TWh
  • Sites under development:8 TWh

This represents a total of approximately 152 TWh of storage included in the perimeter regulated by the CRE under the storage reform implemented on 1 January 2018, whereas with 129 TWh of subscribed capacities, the CRE considers the security of natural gas supply to be guaranteed for the 2019-2020 winter season…

The difference arises from the horizon chosen when considering security of supply. But in a very interesting turn, the DGEC (Directorate General for Energy and Climate) published a decree (no. 2018-1248 of 26 December 2018) a few days after the 2019/2020 guaranteed revenues for storage operators were published by the CRE, stating that:

‘During the second period of the multi-year energy programme (PPE) (2019-2023), the underground natural gas storage infrastructures necessary to guarantee security of supply in the medium and long term are those listed below, representing a working capacity of 138.5 TWh…’

The sites that are mothballed and under development are now excluded from the PPE by the DGEC! But they will still be included in the perimeter regulated by the CRE in 2019…

  1. Storage compensation

Strangely, storage regulation is set by calendar year, even though compensation (as with storage years) begins on 1 April of each year. In fact, storage operators were able to enter the regulated system on 1 January 2018, being in the perimeter from this date onward, therefore including the first quarter of 2018, although storage compensation only began running on 1 April 2018. As a result, the value of the compensation was inflated, with the 2018 storage compensation having to cover for 12 months of regulated revenues in only 9 months…

With regards to the 2019 calendar year, the authorised revenues for storage operators set by the CRE came to €727.6 M (versus €714.6 M for year 2018), an increase of 1.8%. With forecasts of income directly received by storage operators for 2019 at €187.7 M, the total projected compensation for year 2019 comes to €539.9 M.

However, during the first quarter of 2019, transmission system operators continued to pay storage operators compensation collected based on the tariff component as at 1 April 2018 (€297.10/MWh/day) … Thus, for the period running from 1 January to 31 March 2019, the amounts paid came to €176.5 M (which, incidentally, is practically as much as the operator income forecasts for the entire 2019 year).

Finally, the compensation to be collected over the period from 1 April 2019 to 31 December 2019 comes to €363.4 M, with an estimated basis for collecting compensation from 1 April 2019 to 31 March 2020 of 2270 GWh/day/year for France. But with compensation being collected from 1 April 2019, it would make it necessary again to calculate the storage compensation tariff component over 9 months only, by using approximately 9/12th of this value, i.e. 1703 GWh/day.

The resulting storage compensation unit value of €213.46/MWh/day/year is in line with the amount just published by the CRE and applicable from 1 April 2019.

This new amount actually represents a decrease of 28% when compared to last year´s, but its value calls for a few comments:

  • It allows for the compensation of storage operators for infrastructures corresponding to a total of 152 TWh, whereas only 129 TWh would be necessary for the security of supply;
  • The modifications that took place in the storage auction modalities helped triple revenues with respect to last year´s, but other improvements (particularly offering products more in line with the needs of the market) should allow for a greater performance;
  • The discrepancy between regulation (calendar) years and compensation years (storage years, as at 1 April), has resulted in an artificial inflation of compensation in the 1st year, which will be followed by several ripple effects in the years to come…
  1. Conclusion:

As a conclusion, with a regulation perimeter brought to the strict minimum (129 TWh instead of 152 TWh), optimised auctioning of storage and the elimination of peculiarities from the discrepancy between regulation years and storage years, it would seem feasible to bring the value of storage compensation below €140/MWh/day/year, or less than half of its initial value in 2018/2019.

These improvements would have a much stronger effect than the changes currently envisaged by the CRE, by extending the scope of sites subject to compensation to sites connected to  high pressure Transmission Network (whereas, for the moment, only sites connected to  Distribution Networks, whose loads cannot be shed without any risk, are charged with the storage compensation). Indeed, the CRE indicated that a basis for collecting compensation extended to all transmission consumers (and excluding exemptions associated to interruptibility) would lead to a compensation tariff component of approximately €180/MWh/day/year.

On the other hand, storage compensation would represent an annual amount of nearly €80 M for all consumers connected to the Transmission Networks, consumers who, until now, did not bear this level of costs, neither under the Third party access to storage negotiated scheme in force for the last ten years nor in the first two years of the regulation. Such an evolution would lead to an average increase of approximately 40% of gas transmission tariff costs for transmission consumers with an impact that could be greater or smaller depending on the consumers’ gas demand modulation. Power plants using gas for electricity production would be particularly affected, with gas transmission tariff costs that would double.

Such an evolution seems neither feasible nor desirable!

Philippe Lamboley

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Diego graduated in Political Economy at King’s College University (London – 2021). He started his professional career in a family business in Madrid as an operations manager. Diego then studied a Master in Management and Master in Computer Science at IE University (Madrid – 2022), during which he participated as an Information Technology (IT) intern in a startup. In May 2023, Diego joined the HES team as an intern specialised in programming models. In his first project, he developed a software tool for modelling the unavailability of the French nuclear fleet. Afterwards, Diego has also participated in the development of new software tools for modelling price curves, generation asset performance and other topics related to the energy market. 

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Céline graduated in Spanish and English Philology at La Sorbonne (France – 2018) and holds a Master’s degree in Project Management and Cultural Tourism (Clermont-Ferrand/ Buenos Aires – 2021). 

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“Decarbonization of the Energy and Transport sectors is arguably today’s main economic driver for the industry.”

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His career started in civil engineering as a Project Manager in France, Martinique and Australia. Afterwards, he became the General Manager of a subsidiary in Venezuela. In 1992, he established Dalkia in Germany (district heating, cogeneration, and partnerships) and represented Véolia in Thailand. In 2000, he opened the commercial office of Endesa in France to take advantage of the liberalized retail market. From 2006, as a development Manager at Endesa France, he led Endesa’s plan for Combined Cycle generation in France and developed the wind and PV portfolio of Snet at the same time. Philippe Boulanger worked for 3 years at E.ON’s headquarters coordinating the company´s activities in France. He was strongly involved in the French hydro concession renewal project. As a Senior Vice President – Project Director at Solvay Energy Services from April 2012 to February 2014 he was in charge of the H2/Power to gas and European direct market access deployment projects. Philippe has been an HES expert since 2014.

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Philippe Boulanger holds engineering degrees both from the Ecole Polytechnique and the Ecole Nationale des Ponts & Chaussées (France) and has a combined experience of more than 25 years in energy and infrastructure. In addition to English, Mr. Boulanger is fluent in French, German & Spanish.

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Antonio started his career in the electricity sector in 1991 working as a member of the General Manager’s team at Sevillana de Electricidad (Spain). In 1997, he was appointed head of commercial regulation at Endesa Distribución. In 2000, he joined the mergers and acquisitions (M&A) department of Endesa Europe. He was appointed Managing Director of Endesa Power Trading Ltd (UK) in 2003. A year later, he became responsible for energy management at SNET (France). In 2008, he was appointed Managing Director of SNET (France). In 2009, he became Director of Corporate Development at E.ON France. In 2011, he founded Haya Energy Solutions (HES), a consulting firm focused on optimising the energy management of consumers, producers and retailers of gas and electricity. From 2015 to 2018, Antonio combined the consulting activity at HES with the general management of 2 production facilities in France (2 CCGTs x 410MW), owned by KKR. At the end of 2018, he joined Asterion Industrial Partners, an infrastructure investment fund, as an operating partner. Antonio currently devotes most of his efforts to the Asterion Portfolio, while advising through HES companies in the energy sector in France, Italy, Germany, UK and Spain. 

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Antonio graduated from the Escuela Técnica Superior de Ingenieros of Seville (Spain) and holds an MBA degree from Deusto University (Spain). 

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