CHP and PA Tier II AECs
Combined Heat and Power (CHP) systems may qualify for PA Tier II Alternative Energy Credits under one of two eligibility pathways, depending on system size.
Distributed Generation
CHP systems under 5 MW nameplate capacity
CHP systems below the 5 MW threshold may qualify as distributed generation under PA Tier II. AEC issuance is based on metered electrical output of the CHP system.
Demand-Side Management
CHP systems 5 MW or greater
Larger CHP systems may qualify as a Demand-Side Management (DSM) measure. Onsite generation that displaces grid electricity consumption is characterized as a demand-side load reduction.
Timing and issuance
Under both pathways, PA Tier II AECs are issued forward from the date a complete PennAEPS application — including a meter or inverter reading — is filed with the administrator, under 52 Pa. Code § 75.63(i). AEC eligibility, sizing, and calculation depend on your specific system's certification pathway, fuel source, and operational profile. Because these details are project-specific, we recommend a direct eligibility review.
What is your CHP system worth in Tier II AECs?
Nameplate, hours, and realistic capacity factor. AEC volume equals metered MWh at 1:1 (or MWh conserved for systems 5 MW and above, evaluated as DSM).
Continuous baseload ≈ 8,760. Practical ceiling ≈ 8,400.
Baseload industrial 85–95%, hospital 75–90%, thermal-following 40–60%.
RY2025 weighted average $26.92; RY2025 spot average $36.43. Different measures — not interchangeable.
Annual AECs
13.6k
Annual revenue
$366.1k
Monthly cost of delay
$30.5k
10-year revenue
$3.66M
Modeled estimate. Actual AEC issuance begins at the complete application filing and depends on PennAEPS qualification, meter placement, capacity factor realized, and contract-assigned attribute ownership. We review these before an application goes in.
Interested in evaluating your CHP system for PA Tier II AEC eligibility?
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Reference material for facilities in research mode, and market intelligence for anyone who wants to know when PA Tier II AEC pricing moves.
PA Tier II AEC eligibility checklist
One page. What § 75.62 / § 75.63 require, the documentation PennAEPS asks for, meter-placement questions to settle before an application, and the attribute-ownership contract review. We email it as a PDF.
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Quarterly market update
Current PA Tier II AEC pricing, ACP position, PRESS Act status, regulatory developments worth tracking. Sent when pricing moves outside a stated band or a material regulatory event occurs. Not a marketing list.
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Related guides and case studies
Eligibility, documentation, and revenue analysis for combined heat and power under PA Tier II.
- Pennsylvania's AEPS program has no CHP efficiency requirement. Here is what actually governs eligibility.Pennsylvania's AEPS program sets no system efficiency requirement for CHP. Here is what actually governs Tier II eligibility — and what the guidance leaves open. Aug 31, 2026 8 min read
- Will PRESS Reduce Demand for Pennsylvania Tier II AECs?Tier II survives under PRESS, but its contents change. Waste coal and MSW move to a new Tier III, while CHP, fuel cells, storage, and DSM stay. Jun 28, 2026 10 min read
- Tier II vs. Tier III: New AEC Resource Classifications Under PRESSUnder PRESS, today's Tier II splits in two. Here's a side-by-side of Tier I, the redefined Tier II, and the brand-new Tier III for legacy thermal resources. Jun 28, 2026 10 min read
- CHP and PA Tier II AECs: How Cogeneration Earns CreditsPA Tier II AECs are issued per MWh of electricity generated or conserved. This guide covers CHP eligibility pathways by system size, how AEC volume is calculated, and when issuance begins. Jun 4, 2026 16 min read
- PA Tier II AEC Monetization for CHP SystemsPennsylvania AEPS Tier II AECs are issued per MWh of electricity generated or conserved. CHP eligibility pathways, the AEC calculation, capacity factor, and certification timing explained. Jun 4, 2026 7 min read
- Connecticut Class III REC Monetization for CHPConnecticut Class III carries a $31 per MWh ACP ceiling, and no state agency publishes clearing prices. Eligibility for customer-sited CHP, the statutory revenue split, and NEPOOL GIS registration. Jun 4, 2026 6 min read
- Massachusetts APS Monetization for CHP SystemsMassachusetts APS Alternative Energy Certificates compensate CHP for both electrical and useful thermal output through a net-savings formula. Eligibility, certificate oversupply, and NEPOOL GIS registration. Jun 4, 2026 6 min read
- PA Tier II AECs for Hospitals and Health SystemsPennsylvania hospitals and health systems with CHP, LED retrofits, or HVAC upgrades can generate significant Tier II AEC revenue. Here's what qualifies and how to register. May 2, 2026 9 min read
- PA Tier II AECs for Schools and UniversitiesPennsylvania K-12 districts and universities with completed energy projects can generate PA Tier II AECs. Here's what qualifies, revenue examples, and how Act 129 rebates stack. May 2, 2026 9 min read
- Digester Gas CHP: Tier I or Tier II? The Classification QuestionWastewater treatment plants running digester gas CHP face a real classification question. Biogas is a Tier I resource; sub-5 MW CHP is a Tier II resource. At RY2025 prices the tiers are within a couple of dollars — what differs is the supply pool and the forward outlook. May 2, 2026 8 min read
- Pennsylvania's Alternative Energy Credit Market at a CrossroadsA forward-looking analysis of Tier I and Tier II dynamics, the PRESS proposal under House Bill 501, and what the two-phase price dynamic means for compliance buyers and credit generators through 2035. Mar 28, 2026 18 min read
- PA Tier II RECs: Efficiency Project RevenuePennsylvania's AEPS requires electricity suppliers to procure RECs from Tier II resources including energy efficiency and CHP. With rising REC values and in-state requirements, Tier II credits offer significant new revenue streams for businesses. Oct 27, 2025 10 min read
- Measuring CHP Output for PA Tier II AECs: Metering and ReportingAEC volume equals what the certified meter records and reports to GATS. Meter placement, parasitic load, and reporting discipline determine the number. Feb 22, 2025 10 min read
- How CHP Projects Qualify for Pennsylvania Tier II AECsQualification under PA AEPS turns on five things: the statutory standard, system size, location, fuel, and who owns the environmental attributes. Here is what each requires. Feb 20, 2025 8 min read
- Act 129 Phase V: the targets, the budgets, and what actually changedPennsylvania's Act 129 Phase V runs June 2026 through May 2031 with a $1.22 billion budget and 3.3 million MWh in savings targets. Here is what changed, EDC by EDC. Nov 18, 2024 10 min read
Browse the full library in the PA Tier II AEC insights index.