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Duke Energy Kentucky, Inc.: what it publishes for small generators (qualifying facilities) under PURPA, field by field, with the source for each. Checked on October 4, 2026.
When this may change: At least every two years: 807 KAR 5:054 Section 5(1)(a) requires avoided cost data to be filed not less often than every two years unless the PSC decides otherwise. The tariff states no update date.
Rates, eligibility and contract terms change: confirm them with the utility or the state utility commission before relying on them.
| Schedule | Cogeneration and Small Power Production Sale and Purchase Tariff - 100 kW or Less (KY.P.S.C. Electric No. 2, Ninth Revised Sheet No. 93); identical rates in the Greater Than 100 kW tariff (Tenth Revised Sheet No. 94)Source: psc.ky.gov: Tariff.pdf · checked 2026-10-04 | ||||||
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| Docket or order | PSC tariff filing TFS2026-00162 (Duke Energy Kentucky 2026 Cogeneration Tariff), filed April 13, 2026, accepted by PSC letter dated May 12, 2026; no case number is printed on the sheet.Source: psc.ky.gov: CommissionLetter.pdf · also: psc.ky.gov: Tariff.pdf, psc.ky.gov: DEK_Read1st_041326.pdf · checked 2026-10-04 | ||||||
| Effective date | 2026-05-13 Note: Sheet 93 reads 'Issued: April 13, 2026 Effective: May 13, 2026'. Source: psc.ky.gov: Tariff.pdf · also: psc.ky.gov: CommissionLetter.pdf · checked 2026-10-04 | ||||||
| Next update | At least every two years: 807 KAR 5:054 Section 5(1)(a) requires avoided cost data to be filed not less often than every two years unless the PSC decides otherwise. The tariff states no update date. Note: Past pattern only: the prior sheet took effect May 18, 2024 and the current one May 13, 2026, with capacity rates printed for contracts beginning in the filing year and the next year. Source: apps.legislature.ky.gov: 054 · also: psc.ky.gov: DEK_Read1st_041326.pdf · checked 2026-10-04 | ||||||
| Size cap | Sheet 93: qualifying facilities of 100 kW or less. Sheet 94 covers facilities greater than 100 kW with the same printed rates; under 807 KAR 5:054 Section 7(4) rates for QFs over 100 kW are the basis for negotiation.Source: psc.ky.gov: Tariff.pdf · also: apps.legislature.ky.gov: 054 · checked 2026-10-04 | ||||||
| Resource types | Any qualifying cogeneration or small power production facility under 807 KAR 5:054; no technology-specific rates. Capacity is paid only for capacity approved by PJM.Source: psc.ky.gov: Tariff.pdf · checked 2026-10-04 | ||||||
| Energy rate structure | Energy: hourly PJM Real-Time LMP at the DEK Aggregate price node (energy, congestion and losses), converted to $/kWh for each hour of the billing month. Capacity: separate $/kW-month rate by contract start year and contract length.Source: psc.ky.gov: Tariff.pdf · checked 2026-10-04 | ||||||
| Energy rates (sample cells) |
Copied as printed: a few labelled cells, not the full rate matrix. The whole schedule is linked below. Source: psc.ky.gov: Tariff.pdf · checked 2026-10-04 | ||||||
| Capacity payment | Per kW-month for eligible capacity approved by PJM, under a written contract: 2-year contract beginning 2026 $12.09, beginning 2027 $12.28; 5-year contract beginning 2026 $12.40, beginning 2027 $12.60. The QF bears the cost of keeping PJM capacity-resource eligibility and all PJM or PSC non-performance costs.Source: psc.ky.gov: Tariff.pdf · checked 2026-10-04 | ||||||
| Contract terms | Written contract with the company required; capacity rates are offered for 2-year or 5-year contracts beginning in 2026 or 2027.Source: psc.ky.gov: Tariff.pdf · checked 2026-10-04 | ||||||
| Price fixity | Energy is variable (hourly real-time LMP). Capacity rate is set by the contract's starting date and length from the table in effect.Source: psc.ky.gov: Tariff.pdf · checked 2026-10-04 | ||||||
| Schedule link | https://psc.ky.gov/tariffs/Electric/Duke%20Energy%20Kentucky/Tariff.pdf Note: Full PSC tariff book; the 100 kW or less tariff is Sheet No. 93 (2 pages). Source: psc.ky.gov: Tariff.pdf · checked 2026-10-04 |
Values are copied as printed in the source. Where a value draws on more than one document, every source is listed, primary first.
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