In the transition to a low-carbon economy, a coal-powered utility without a mitigation strategy will...

In the shift to a low-carbon economy, a coal-powered utility without a mitigation strategy faces the highest risk to common shareholders (Option B) because:

Stock prices decline due to stranded asset risks, regulatory fines, and declining demand.

Common shareholders are last in the capital structure and bear the highest financial risk if the company struggles or faces bankruptcy.

Option A (Debtholders) face some risk, but they have priority in liquidation.

Option C (Preference shareholders) have fixed dividends and higher priority than common stockholders.