> caused by the reaction of renewable generation to those conditions
No, that is not what the report says. It says, just like you say, that renewables reacted to market prices, causing a generation drop. It then says explicitly that synchronous generation caused oscillation, while PV plants showed a flat non-oscillating pattern.
From your comments I worry there are emotional factors clouding how you're reading the report - this was a systemic failure involving many separate technologies:
- Market signals - negative prices - caused a drop in PV generation (as frequently occurs)
- Synchronous plants caused oscillations as a side effect
- Plants procured to dampen exactly those oscillations did not deliver as requested
- TSO then took measures using interconnections to stabilize via other balance area
- This caused - presumed - overvoltages in distribution grids
- PV inverters then shut off, as mandatory by regulatory requirement in response to over voltage
You're absolutely right that PV played a large role here, but that point is diminished by making it out that PV is both the source of the initial generation drop and the source of the oscillations; it is neither.
The market design caused the generation drop, synchronous generators caused the oscillations, TSO action caused distribution overvoltages and regulatory requirements on PV firmware design in response to overvoltage caused the final blackout.
No, that is not what the report says. It says, just like you say, that renewables reacted to market prices, causing a generation drop. It then says explicitly that synchronous generation caused oscillation, while PV plants showed a flat non-oscillating pattern.
From your comments I worry there are emotional factors clouding how you're reading the report - this was a systemic failure involving many separate technologies:
- Market signals - negative prices - caused a drop in PV generation (as frequently occurs)
- Synchronous plants caused oscillations as a side effect
- Plants procured to dampen exactly those oscillations did not deliver as requested
- TSO then took measures using interconnections to stabilize via other balance area
- This caused - presumed - overvoltages in distribution grids
- PV inverters then shut off, as mandatory by regulatory requirement in response to over voltage
You're absolutely right that PV played a large role here, but that point is diminished by making it out that PV is both the source of the initial generation drop and the source of the oscillations; it is neither.
The market design caused the generation drop, synchronous generators caused the oscillations, TSO action caused distribution overvoltages and regulatory requirements on PV firmware design in response to overvoltage caused the final blackout.