Interstate Power and Light Co - 5.10% PRF PERPETUAL USD 25 - Ser D Operating Income

Interstate Power and Light Co - 5.10% PRF PERPETUAL USD 25 - Ser D posts a operating income of $980M as of June 2026. That compares with $990M in the prior-year period — down 1.3% year over year. Comparing that reading with peers and prior periods is usually more useful than looking at the number in isolation.

In the prior comparable period, Interstate Power and Light Co - 5.10% PRF PERPETUAL USD 25 - Ser D's operating income was $990M. The latest reading is $980M — a 1.3% year-over-year decrease (period ending June 2026). Use the history and growth charts on this page for a longer lookback.

Operating Income is one piece of Interstate Power and Light Co - 5.10% PRF PERPETUAL USD 25 - Ser D's financial statement story. At $980M, it should be interpreted next to related metrics — for example revenue with costs, assets with liabilities, or income with margins. Stockcircle links those related pages so you can move from this number to the surrounding context quickly.

Context for IPLDP's operating income usually means three checks: (1) trend versus prior periods, (2) level versus peers, and (3) consistency with growth and profitability. This page covers the first two; Interstate Power and Light Co - 5.10% PRF PERPETUAL USD 25 - Ser D's other metric pages and overview cover the third.

Judging Interstate Power and Light Co - 5.10% PRF PERPETUAL USD 25 - Ser D against Utilities peers is usually better than using a market-wide rule of thumb. Business models inside Utilities are more comparable, which makes gaps in operating income easier to interpret. Start with $980M here, then scan peer and history charts to see if the gap is persistent.