Energy storage and flexibility

  • Low carbon generation

    Investor optimism sparks PPA competition

    In recent months, Cornwall Insight has issued several of our regular subscription reports from our PPA Insights Service covering both renewable and flexibility Power Purchase Agreement (PPA) markets, namely the Green Power Forecast, Renewable PPA Market Share and Flexible PPA Market reports. As part of these reports, we conduct surveys...

  • Low carbon generation

    How nuclear energy can help the UK reach its net zero goals

    This article was originally written in Energy Spectrum on 21 March 2021. To find out more about a subscription to Energy Spectrum, please contact Nick on n.palmer@cornwall-insight.com. There are several challenges to reaching net zero, where its proponents believe nuclear could add value. Some of tomorrow’s main issues concern: How to provide low...

  • Energy storage and flexibility

    Glory Days – T-1 auction clears at £45/kW

    To say the T-1 Capacity Market (CM) auction clearing at £45/kW per year was a surprise feels like an understatement. It looks like a major windfall for successful participants in the auction –  many are asking just what happened? Easy money Until February, it looked like prices would clear at...

  • Energy storage and flexibility

    DNO to DSO: A work in progress

    Last month the Electricity Network Association (ENA) published updated figures regarding the procurement of Distribution Network Operator (DNO) flexibility services. This is the latest update from the ENA since April this year, with the document highlighting the historical uptake of services across the DNO regions. The publication also provides projections...

  • Energy storage and flexibility

    System operators warn of System Alerts risk this winter

    EirGrid and SONI issued their Winter Outlook for 2020-21 on 15 October in which they warned that if high generator forced outage rates continue over the winter period there is a risk of System Alerts. The transmission system operators (TSOs) said the all-island capacity margin this winter is predicted to be 929MW...

  • Energy storage and flexibility

    Imbalance prices rise for sixth consecutive month

    This week we delve into system imbalance pricing, and look at the latest movements from the Balancing Market (BM). The BM ultimately reflects the actions taken by the transmission system operator to keep the system balanced. These actions determine the Imbalance Settlement Price (ISP) for each of the half-hourly settlement...

  • Energy storage and flexibility

    The Rewire-NW project: delivering a Smart Local Energy System

    The Rewire-NW project was launched in spring 2020. Led by Pure Leapfrog, the project is developing plans to create a Smart Local Energy System (SLES) with a focus on leading the town of Warrington towards Net Zero. Cornwall Insight is a key project partner in the project, providing regulatory and...

  • Energy storage and flexibility

    Network innovation: coordinating Active Network Management schemes and Balancing Services

    The volume of generation connected to the distribution networks is increasingly rapidly. Cornwall Insight is part of a consortium developing an innovation project focusing on specific conflicts which this can create in the market, with the aim of developing learnings which can be applied in a broader context. Over 30GW...

  • Low carbon generation

    COVID-19: A collection of resources

    This year has seen Governments, businesses and industries coming to terms with the impacts of the COVID-19 crisis. The arrival of the pandemic shook the energy market across the value chain. Throughout, our experts have provided the industry with coverage of how COVID-19 has impacted the energy market. We analysed...

  • Energy storage and flexibility

    EirGrid and SONI assess future demand and generation landscape

    Transmission system operators (TSOs) EirGrid and SONI have issued the All-Island Generation Capacity Statement 2020-29 that sets out expected electricity demand together with the level of generation capacity that will be required over the next ten years.  Issued on 27 August, the Statement said RoI demand is increasing, and is forecast...

  • Energy storage and flexibility

    The future of power prices: Black swans and dragon kings

    Understanding the long-term trajectory of the wholesale market is critical to new generation assets and their investment viability. Here at Cornwall Insight, we support market participants in assessing the potential outlook for wholesale power markets through our long-term market Benchmark Power Curve service. We’ve just updated our latest curves out...

  • Energy storage and flexibility

    All mod cons: Routes to market for household flexibility

    According to National Grid’s 2019 Future Energy Scenarios[1], meeting decarbonisation targets could require deployment in GB of 13GW of flexibility from commercial and industrial consumers by 2050, compared to around 1GW currently available. While there are currently no comparable forecasts for domestic demand-side response (DSR), energy suppliers and technology companies...

  • Energy storage and flexibility

    SEM Focus: Day-ahead power turns negative to record low

    Last weekend saw the day-ahead power price average negative for only the second time since the new trading arrangements commenced back in October 2018. The first such negative pricing event occurred on 5 April, when the day-ahead power price averaged -€2.5/MWh. Saturday 23 May saw the power price outturn lower...

  • Energy storage and flexibility

    CRU implements COVID-19 supply suspension scheme

    On 1 May, the CRU set out the details of its decision to implement a temporary supply suspension scheme for eligible SME electricity and gas customers due to the impact of the pandemic. It said that the unique and extraordinary circumstances of the current situation require a modification to the current approach...

  • Low carbon generation

    FiT costs to reach all-time high amid COVID outbreak

    Energy Third Party Charges (TPCs) have certainly been in the limelight recently, and rightly so as less consumption from non-domestic sectors is resulting in a greater recovery of money from domestic households amid the COVID-19 outbreak. Several measures have been taken to date to protect domestic suppliers and consumers from...

  • Energy storage and flexibility

    BSUoS in COVID-19

    This week National Grid Electricity System Operator (“the ESO”) released its latest forecast of Balancing Services Use of System (BSUoS) charges – levied on suppliers and large generators to recover costs incurred by the ESO in managing the system on a second by second basis. In this blog we look...

  • Energy storage and flexibility

    Tootsie slide: Demand drop

    Since both governments of Ireland have restricted movement in the light of COVID-19, we have observed changes to working patterns. This has subsequently resulted in a reduction and shift in demand profile for the island of Ireland. This week's blog looks at demand reduction since COVID-19 restrictions have been in...

  • Low carbon generation

    Turn it up – responding rapidly to manage the system

    In balancing the system, we used to talk mostly about narrowing capacity margins and the need to ensure ‘headroom’. But suddenly there’s a greater need for greater consumption and the provision of ‘footroom’ during COVID-19, and potentially and also in the future. The ESO will need to procure more and...

  • Energy storage and flexibility

    The next episode: Qualification for T-4 Capacity auction

    The final qualification results for the upcoming 2023/24 T-4 Capacity Auction were published on the 3 April. In this week’s blog, we consider what these qualification results tell us. Click here to view full article

  • Energy storage and flexibility

    Changes: Demand falling in SEM

    With the unexpected arrival of coronavirus there has been significant a shift in human behaviour. We are now two weeks removed from the Irish Government’s instruction to close schools and message advising businesses to allow employees work from home where possible, we wonder what has the impact been on energy...

  • Energy storage and flexibility

    Wind Of Change: What’s this, more RESS talk!

    There’s no shortage of speculation regarding the upcoming Renewable Energy Support Scheme (RESS) auctions, however, we should spare a thought for our friends in Eirgrid who own the challenge of operating this relatively highly dominated renewable energy saturated system. This challenge is getting tougher, with the forecasted additional wind and...

  • Regulation and policy

    Storage story: a regulatory run-down

    While electricity storage has long been recognised as a crucial solution to mitigating the drawbacks of some types of renewable generation, it has taken some time for the regulatory and charging framework to catch up. It has taken years, but recent progress on the licensing and exemptions from some final...

  • Energy storage and flexibility

    I can change – what’s wrong with the Capacity Market (and what we need to do to fix it)

    The return of the Capacity Market (CM) after its legal hiatus in November 2019 was a relief to many owners and developers of generating capacity in GB. But I think it’s time to ask whether it’s really the best tool to reach net zero at lowest costs to consumers. The...

  • Energy storage and flexibility

    Caught in the balance: Assessing amber alerts in the SEM

    SEMO announced on 21 January that it was issuing an amber alert. This happens when the system margin is at a level where a trip of the largest in-feed would give rise to a reasonable possibility of either a failure to meet system demand, or cause a significant deviation in system...

  • Energy storage and flexibility

    Editor’s Pick | AEMC takes forward system resilience measures

    The Australian Energy Market Commission (AEMC) issued its final report on 12 December following a black system event, setting out recommendations on measures to enhance the resilience of the power system. On 28 September 2016, there was a black system event in which around 850,000 South Australia customers lost electricity...

  • Energy storage and flexibility

    Let’s talk about flex: The flexibility dilemma

    In this week’s blog, we consider the recent refusal of planning permission for the construction of a 208MW open cycle gas turbine (OCGT) "peaker" power plant in Co Meath. While the project would assist in ensuring and maintaining the security of supply in the region, the plant was intended to...

  • Energy storage and flexibility

    In the balance: Analysing volatility in the BM

    In this week’s blog, we focus on developments for the Balancing Market (BM) in the SEM.  The BM is where the Transmission System Operator (TSO) can take actions to ensure the transmission system remains within operational parameters as supply and demand changes. Actions here ultimately determine the imbalance settlement price (ISP)...

  • Energy storage and flexibility

    Editor’s Pick | Belgian capacity support to take novel form

    This article was originally published in Issue 22 in Energy:2030. On 12 September, the Belgian Federal Commission for Electricity and Gas Regulation (CREG) issued a note on the implementation of a scarcity pricing mechanism in Belgium. Explaining that renewable generation may cause massive overcapacity in future with difficulties for generators relying...

  • Energy storage and flexibility

    Editor’s Pick Ireland | Do all roads lead to hydrogen?

    This article was originally published on 12 November 2019 in Energy Spectrum Ireland.  On 3 October, Hydrogen Mobility Ireland published its report: A Hydrogen Roadmap for Irish Transport, 2020-2030, which outlines how government and policy makers can facilitate the uptake of hydrogen fuelled vehicles. Hydrogen is viewed as the cleanest fuel...

  • Energy storage and flexibility

    A pivotal play?

    On the 4 November, EDF Renewables UK agreed to acquire Pivot Power. Pivot Power is a UK start-up which aims to build 50MW batteries connected to the Transmission Network and provide rapid Electric Vehicle (EV) charging nearby. The firm announced plans in 2018 to develop up to 2GW of batteries connected...