Explainers

ERCOT: The Energy Academy - How do power markets in Texas work?

When it comes to power markets across the globe, Texas is pretty unique. With its diverse mix of generation sources, lack of federal regulation, and extreme weather periods, the system operator - ERCOT (the Electric Reliability Council of Texas) - face...

11 Apr 2024

Interconnectors in GB: how do they operate?

With the launch of Viking Link to Denmark in December, the electricity grid in Great Britain is more interconnected than ever. Nine different interconnectors with a total capacity of 9.2 GW link Britain to six other European markets.But how do these in...

14 Mar 2024

Balancing Reserve: what is the final design of the new service?

The new Balancing Reserve service is due to launch on March 12th 2024, following final approval by Ofgem on February 8th. The service is being introduced to reduce the costs of balancing the system and provide better visibility of reserve volume to the...

08 Feb 2024

Balancing Mechanism: New MEL/MIL submission guidance for batteries

In December, the ESO published new guidance for Balancing Mechansim-registered units (BMUs), particularly affecting battery energy storage assets. This provides the best practice for submitting MEL (Maximum Export Limit) and MIL (Maximum Import Limit) ...

24 Jan 2024

Benchmarking Pro ERCOT

ERCOT: How can congestion impact battery energy storage revenues?

As more intermittent renewables come online - at a faster rate than the transmission network can keep up with - they put a major strain on the grid, in the form of congestion. Battery energy storage systems can help to solve this - and benefit from pri...

15 Jan 2024

Trading in the continuous intraday market: how does it work?

The EPEX continuous intraday market is unique as it follows an order book format rather than an auction process. Trades are priced individually and cleared continuously, similar to a stock market. Prices for power in each delivery period change through...

15 Dec 2023

ERCOT: How could NPRR 1186 impact battery energy storage operations?

There’s been a lot of discussion recently about the potential impacts of NPRR (Nodal Protocol Revision Request) 1186 for battery energy storage in the ERCOT market. The intention of 1186 is to ensure that storage resources have enough ‘state of charge’...

14 Dec 2023

Enduring Auction Capability: how it created a record low Dynamic Containment High price

The new Enduring Auction Capability (EAC) operates as a pay-as-clear market. At a high level, this means the highest price accepted in each service in the auction should be the price that ESO will pay to (or receive from) accepted participants.However,...

27 Nov 2023

Battery Energy Storage EPCs (in GB) - and how to find them

At Modo Energy, we often get asked for companies who can deliver Engineering, Procurement, and Construction (EPC) for your Battery Energy Storage assets. An EPC plays a critical role in the design and construction of new battery energy storage projects...

21 Nov 2023

Triad season 2023/24: what’s changing for batteries?

November represents the start of Triad season for winter 2023/24. Triads present an opportunity for batteries to boost their revenues by exporting. With lower revenues available throughout this year, Triads promise to remain as important as ever. So, a...

19 Nov 2023

explainers