Eva Gonzalez-Isla

Analyst, Bloomberg NEF Power Grids Team · Person · Energy

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Eva Gonzalez-Isla - Analyst, Bloomberg NEF Power Grids Team. Tracked across 16 mentions in podcasts and expert conversations analyzed by Sonic.

What Eva Gonzalez-Isla has said

The third regulatory period for electricity distribution under the TOTEX model in the United Kingdom is expected to begin in two years.

neutral·Eva Gonzalez-Isla

Spain's power grid has a regulatory exception allowing it to operate at up to 435 volts, whereas the standard European upper voltage limit is 420 volts.

neutral·Eva Gonzalez-Isla

On the day of the blackout, the basic voltage control systems used by renewable energy plants in Spain, which were compliant with regulations at the time, actually worsened grid instability.

bearish·Eva Gonzalez-Isla

The third regulatory period for electricity distribution under the TOTEX model in the United Kingdom is expected to begin in two years.

Expert perspectiveEva Gonzalez-IslaApr 13

Spain's power grid has a regulatory exception allowing it to operate at up to 435 volts, whereas the standard European upper voltage limit is 420 volts.

Expert perspectiveEva Gonzalez-IslaApr 13

On the day of the blackout, the basic voltage control systems used by renewable energy plants in Spain, which were compliant with regulations at the time, actually worsened grid instability.

Expert perspectiveEva Gonzalez-IslaApr 13

The Iberian Peninsula blackout did not have a single trigger event, but was instead caused by a chain reaction from automatic protection systems.

Official sourceEva Gonzalez-IslaApr 13

On the day of the blackout, Spanish TSO Red Electrica manually switched 84 shunt reactors on and off between 9:00 AM and 12:30 PM, an average rate of one operation every 2.5 minutes.

Official sourceEva Gonzalez-IslaApr 13

After a five-year approval process, Spain has changed its regulations to allow renewable energy sources to participate in providing voltage control services to the grid.

Expert perspectiveEva Gonzalez-IslaApr 13

During the Iberian Peninsula blackout, some dispatchable power plants that were expected to provide voltage support either failed to do so or exacerbated the problem.

Expert perspectiveEva Gonzalez-IslaApr 13

At the time of the blackout, Spain's regulations limited the provision of voltage support services to dispatchable power plants.

Expert perspectiveEva Gonzalez-IslaApr 13

Under Spain's new rules, renewable energy plants that provide voltage control services will receive payment and be given priority dispatch, reducing the likelihood of curtailment.

Expert perspectiveEva Gonzalez-IslaApr 13

Traditional regulatory models for European power grids are often based on capital expenditure (CAPEX), rewarding utilities for building new assets rather than optimizing operational practices.

Expert perspectiveEva Gonzalez-IslaApr 13

The United Kingdom pioneered a total expenditure (TOTEX) regulatory model for its power grid, which is now being adopted by many other countries.

Expert perspectiveEva Gonzalez-IslaApr 13

Operating grid equipment in Spain at higher voltages than the standard 420-volt testing level reduces its lifespan and makes failures more unpredictable.

Expert perspectiveEva Gonzalez-IslaApr 13

The transmission system operator (TSO), regulator, and power generators in Spain had inconsistent understandings of the applicable voltage rules, which hindered coordination during the emergency.

Expert perspectiveEva Gonzalez-IslaApr 13

The United Kingdom is currently in its third regulatory period for electricity transmission under the TOTEX model.

Expert perspectiveEva Gonzalez-IslaApr 13

Spain began participating in the European 15-minute power dispatch market approximately one month before the major blackout occurred.

Expert perspectiveEva Gonzalez-IslaApr 13

The ENSO-E report on the Spanish blackout recommended that all European Transmission System Operators (TSOs) increase automation of grid control systems.

Official sourceEva Gonzalez-IslaApr 13

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