Interstate Power & Light CO Bond Yields (USD)
Fitted spot curve as of 2026-09-11
https://bondscovery.com/yield-curve/usd-corporate-utilities-power-united-states-interstate-power-light-co
Interstate Power & Light CO Bond Yields (USD) as of 2026-09-11: 9Y at 5.75%, fitted curve 2Y–30Y (5.05%–6.25%), 13 bonds. Live chart, constituents and forward rates on bondScovery.
| Maturity | Fitted yield | Forward rate |
|---|---|---|
| 2Y | 5.05% | — |
| 3Y | 5.17% | 5.51% |
| 4Y | 5.29% | 5.75% |
| 5Y | 5.40% | 5.98% |
| 7Y | 5.59% | 6.29% |
| 8Y | 5.68% | 6.54% |
| 9Y | 5.75% | 6.68% |
| 15Y | 6.06% | 6.94% |
| 20Y | 6.18% | 6.99% |
| 25Y | 6.23% | 6.85% |
| 30Y | 6.25% | 6.70% |
2Y, 10Y and the 10Y−2Y spread over time
Fitted 2Y and 10Y yields and their spread, sampled one build date per month. See all inverted curves today →
| Tenor | Latest2026-09-11 | 1m ago2026-08-12 | 2m ago2026-07-13 | 3m ago2026-06-12 | 4m ago2026-05-14 | 5m ago2026-04-14 |
|---|---|---|---|---|---|---|
| 2Y | 5.05% | 4.72% | 4.66% | 4.68% | 4.51% | 4.36% |
| 10Y | — | — | — | — | — | — |
| 10Y − 2Y | — | — | — | — | — | — |
Bonds in this curve
The 15 bonds behind this curve. Greyed rows carry an older quote.
| Issuer | Yield | Maturity | Coupon | ISIN |
|---|---|---|---|---|
| Interstate Power & Light CO | 5.07% | 2028-09-26 | 4.10% | US461070AP91 |
| Interstate Power & Light CO | 4.94% | 2029-04-01 | 3.60% | US461070AQ74 |
| Interstate Power & Light CO | 5.34% | 2030-06-01 | 2.30% | US461070AS31 |
| Interstate Power & Light CO | 5.42% | 2031-09-30 | 5.10% | US461070AZ73 |
| Interstate Power & Light CO | 5.32% | 2033-10-15 | 6.45% | US461070AC88 |
| Interstate Power & Light CO | 5.60% | 2033-10-15 | 5.70% | US461070AU86 |
| Interstate Power & Light CO | 5.72% | 2034-09-30 | 4.95% | US461070AV69 |
| Interstate Power & Light CO | 5.75% | 2035-06-29 | 5.60% | US461070AX26 |
| Interstate Power & Light CO | 5.95% | 2039-07-15 | 6.25% | US461070AG92 |
| Interstate Power & Light CO | 6.16% | 2043-10-15 | 4.70% | US461070AK05 |
| Interstate Power & Light CO | 6.12% | 2046-09-15 | 3.70% | US461070AN44 |
| Interstate Power & Light CO | 6.22% | 2049-09-30 | 3.50% | US461070AR57 |
| Interstate Power & Light CO | 5.93% | 2051-11-30 | 3.10% | US461070AT14 |
| Interstate Power & Light CO | 6.31% | 2054-09-30 | 5.45% | US461070AW43 |
| Interstate Power & Light CO | 6.27% | 2055-10-01 | 5.60% | US461070AY09 |