CROSS-STANDARD public interest · Perovskite / tandem PV module

China-to-US Perovskite PV Module Compliance Gap Matrix

AI-compiled from official public sources — cross-checked by multiple AI models, not human-verified. Informational only; see disclaimer. Public-interest, source-linked comparison of common China perovskite and tandem PV module documentation against US UL, fire classification, environmental, lead-leaching, and installation expectations.

Dataset 2026-06-11 Last verified 2026-06-11 6 rows

GAP MATRIX

Compliance Gap Matrix

Gap matrix
Compliance item Common China baseline United States (UL) Gap / action Source + verification date
NRTL Safety Listing (UL 61730) + NEC Article 690 AHJ Permit China may require PV modules used in regulated grid-connected projects to complete project/procurement acceptance through CQC or other certification routes and to satisfy current NEA/MIIT catalogue or listing rules where applicable. GB/T 9535 (crystalline silicon) and GB/T 18911 (thin-film, which covers perovskite modules) are technical standard bases used in those processes; the legal/procurement obligation is the applicable Chinese project approval, certification or catalogue rule, not the GB/T standard by itself. These Chinese certifications and test reports are not recognised by US NRTLs. As of June 2026, no specific perovskite module category has been confirmed in the published MIIT PV product compliance catalogue; perovskite modules entering commercial-scale grid-connected projects in China should verify current NEA/MIIT listing requirements directly with the certifying body, as policy evolves with Chinese GW-scale perovskite production ramp-up.GB/T 18911-2022 (thin-film PV modules — covers perovskite)
GB/T 9535-1998 (crystalline silicon PV modules, for reference)
CQC or other certification route for regulated grid-connected PV projects, where required by project/procurement rules
MIIT photovoltaic product compliance catalogue (工信部光伏产品合规目录)		 US market access for installed PV modules is controlled by legal and code obligations: OSHA's NRTL framework (29 CFR 1910.7) for covered workplaces, NEC Article 690 as adopted by state/local law, AHJ permitting, and utility Permission to Operate (PTO). UL 61730 (Photovoltaic (PV) Module Safety Qualification — the US adoption of IEC 61730) is a voluntary consensus safety standard commonly used by OSHA-recognised NRTLs to evaluate and list PV modules; it is not itself the mandatory law. AHJs normally require a listed module before issuing building/electrical permits, and NRTL listings may reference UL 61730 or an equivalent accepted standard and edition. Current active editions include UL 61730-1 Ed. 3 (March 2026, adopting IEC 61730-1:2023) and UL 61730-2 Ed. 3 (March 2026, adopting IEC 61730-2:2023). Confirm the edition and acceptance basis with the selected NRTL and the project AHJ before submission.UL 61730 (Photovoltaic Module Safety Qualification)
NFPA 70 / NEC Article 690 (Solar Photovoltaic Systems)
29 CFR 1910.7 (OSHA NRTL recognition rule)
Local AHJ building / electrical codes (varies by jurisdiction)		 Chinese GB/T and CQC test reports carry zero mutual recognition with US NRTLs. For US installations, the legal/code gap is that AHJs and workplace safety authorities generally expect equipment accepted through an OSHA-recognised NRTL listing, commonly evaluated to UL 61730 or another accepted safety standard, before permits and energisation proceed. Additional perovskite-specific durability considerations (moisture, thermal stability, lead content handling) may require supplemental NRTL review beyond the baseline UL 61730 scope; confirm with the NRTL. AHJ permit must also be obtained per installation with no CN process substitute. No publicly available UL or OSHA formal guidance on a perovskite-specific NRTL certification pathway has been identified as of June 2026; NRTLs are handling perovskite modules on a case-by-case engineering basis. TÜV SÜD has published a proprietary specification (PPP 58229:2024) for perovskite module design qualification, but this is not itself a US NRTL listing pathway.Informational only — not legal advice. Chinese perovskite PV modules with only GB/T 18911 / CQC documentation will not satisfy US AHJ/NRTL acceptance expectations for installed projects. The US legal path is to obtain an OSHA-recognised NRTL listing, commonly evaluated to UL 61730 or an accepted equivalent standard, then secure AHJ permit approval and utility PTO for each installation site. U.S. Occupational Safety and Health Administration (OSHA)2026-06-12 · unverified
UFLPA Customs Scrutiny + IRA Domestic-Content Incentive Disadvantage China has no equivalent trade restriction targeting foreign-origin goods on forced-labour grounds for import purposes. China's domestic solar incentive programmes (e.g., feed-in tariff subsidies, NEA auction allocations) favour domestically manufactured equipment but through administrative preference rather than a tax-credit adder mechanism. There is no CN-side mirror of the UFLPA rebuttable presumption or the IRA domestic-content ITC structure.NEA solar auction allocation rules (administrative preference only)
MIIT photovoltaic product compliance catalogue (domestic preference, not a trade ban)		 Two distinct US trade and incentive barriers apply to Chinese-origin solar products. (1) UFLPA (Uyghur Forced Labor Prevention Act, Pub. L. 117-78, effective 21 Jun 2022): US Customs and Border Protection (CBP) applies a rebuttable presumption that goods mined, produced, or manufactured wholly or in part in the Xinjiang Uyghur Autonomous Region — or by entities on the UFLPA Entity List — are made with forced labour and are prohibited from import under 19 U.S.C. 1307. Solar supply chains (polysilicon, wafer, cell, module) are a primary enforcement focus; importers bear the burden of proof to rebut the presumption with clear and convincing evidence of supply-chain traceability. (2) IRA Domestic Content: The Inflation Reduction Act of 2022 (Pub. L. 117-169) provides Investment Tax Credit (ITC) adders (up to 10 percentage points under IRC 48(a)(12)) for PV projects meeting domestic-content requirements for manufactured products and structural steel/iron. Modules manufactured in China do not qualify for these adders, creating a pricing disadvantage versus US- or USMCA-manufactured modules on projects where ITC adders are claimed. ITC domestic-content adder structure confirmed: 2 percentage points base adder; up to 10 percentage points if prevailing-wage and apprenticeship requirements are also met (IRC 48(a)(12)). IRS/Treasury final regulations issued December 2024 (TD 10015, effective December 12, 2024); elective safe harbour updated by Notice 2025-8. Verify current rules with a qualified US tax advisor as further guidance may be issued.Uyghur Forced Labor Prevention Act (UFLPA), Pub. L. 117-78 (2021)
19 U.S.C. 1307 (prohibition on importation of goods made with forced labour)
CBP UFLPA Entity List (updated periodically)
Inflation Reduction Act of 2022, Pub. L. 117-169
IRC 48(a)(12) (ITC domestic-content adder)
IRS / Treasury Notice 2023-29 and subsequent guidance on domestic-content requirements		 UFLPA gap: Chinese perovskite module exporters must maintain comprehensive supply-chain traceability documentation (polysilicon origin, wafer, cell, module processing records) sufficient to rebut the CBP forced-labour presumption. Failure to produce this evidence results in detention or exclusion at US customs. This is a documentary and audit burden with no CN equivalent. IRA domestic-content gap: Modules manufactured in China are ineligible for the ITC domestic-content adder, meaning US project developers may prefer non-Chinese modules to maximise tax credits, putting Chinese manufacturers at a competitive disadvantage on ITC-claiming projects. Note: CBP UFLPA enforcement covers all solar supply-chain inputs including polysilicon; perovskite modules not incorporating silicon wafers may have a narrower traceability scope, but lead-halide perovskite precursors (e.g., lead iodide, methylammonium iodide) sourced from China are still subject to UFLPA scrutiny if any processing occurred in Xinjiang. Verify the specific traceability scope for your module bill of materials with US trade counsel.Informational only — not legal advice. Chinese perovskite module exporters face two compounding US market-access barriers beyond product certification: (1) UFLPA rebuttable presumption requiring robust supply-chain traceability documentation at US customs or risk detention/exclusion; and (2) IRA domestic-content rules that exclude Chinese-made modules from ITC adders, creating a structural pricing disadvantage on US projects where those adders are claimed. Consult qualified US trade and tax counsel for project-specific advice. U.S. Customs and Border Protection (CBP)2026-06-12 · unverified
PV Module Electrical Safety — NRTL Listing to UL 61730 (or Legacy UL 1703) In China, the primary national standard for PV module safety is GB/T 37409-2019, titled 'Safety qualification of photovoltaic (PV) modules', which is a national adoption of IEC 61730-1:2016 and IEC 61730-2:2016. GB/T 37409 is a recommended (voluntary) standard. Third-party certification against GB/T 37409 or IEC 61730 is available through IECEE-accredited bodies such as CQC (China Quality Certification Centre) and CGC (China General Certification Centre), which can also issue CB Scheme certificates. CB Scheme certificates for PV modules issued by Chinese NCBs are recognised in approximately 54 IECEE member countries but are NOT accepted in the United States as a substitute for NRTL listing. Perovskite and tandem module manufacturers in China typically pursue IEC 61730 CB certificates alongside CQC/CGC product certifications for third-country markets, while the domestic market may accept GB/T 37409 test reports for project procurement. GB/T 37409-2019 does not incorporate perovskite-specific annexes; it is a direct national adoption of IEC 61730-1:2016 / IEC 61730-2:2016 with no perovskite-specific modifications. Chinese manufacturers pursuing perovskite module safety qualification for international markets typically seek IEC 61730-1:2023 / IEC 61730-2:2023 CB certificates via CQC or CGC rather than relying on the older GB/T 37409-2019 adoption.GB/T 37409-2019 — Safety qualification of photovoltaic (PV) modules (recommended national standard; adopts IEC 61730-1/-2:2016 — note: lags current UL 61730 Ed. 2-2022 / Ed. 3-2026)
IEC 61730-1:2023 / IEC 61730-2:2023 (CB Scheme, via CQC/CGC — current editions)		 In the United States, photovoltaic modules (including perovskite and perovskite/silicon tandem modules) sold or installed in workplaces or commercial projects are normally accepted through a listing mark from an OSHA-recognised Nationally Recognized Testing Laboratory (NRTL) before installation. The mandatory obligations arise from OSHA's NRTL framework, workplace safety rules, NEC Article 690 as adopted by the relevant jurisdiction, and AHJ permit conditions. UL 61730 is a voluntary consensus standard commonly used by NRTLs for PV module safety evaluation; it is not itself the mandatory law. UL 61730 replaced the legacy UL 1703 standard and covers constructional requirements, maximum system voltage ratings, protection against electric shock, fire, and mechanical hazards, and application class requirements. CE marking and IEC CB Scheme certificates are not accepted as substitutes for US NRTL listing unless an AHJ/NRTL separately accepts the underlying evidence. For perovskite and tandem modules, novel materials and encapsulant systems may require additional NRTL scrutiny beyond standard crystalline silicon module evaluations.UL 61730-1 Ed. 2-2022 — Photovoltaic (PV) Module Safety Qualification — Part 1: Requirements for Construction (supersedes Ed. 1-2017)
UL 61730-2 Ed. 3 (March 2026) — Photovoltaic (PV) Module Safety Qualification — Part 2: Requirements for Testing (adopts IEC 61730-2 Third Edition; supersedes Ed. 2-2022)
UL 1703 Ed. 5 — Flat-Plate Photovoltaic Modules and Panels (legacy; withdrawn for new certifications)
29 CFR Part 1910.7 — Definition and Requirements for a Nationally Recognized Testing Laboratory
IEC 61730-1:2023 / IEC 61730-2:2023 (Second Edition harmonised basis of UL 61730 Ed. 2; Third Edition basis of UL 61730-2 Ed. 3)		 GB/T 37409-2019 and IEC 61730 CB certificates from Chinese NCBs are not automatically accepted by US AHJs or OSHA as substitutes for NRTL listing. Chinese perovskite or tandem module manufacturers must engage an OSHA-recognised NRTL (e.g. UL, ETL/Intertek, TÜV SÜD America, CSA Group) for evaluation, commonly to UL 61730 or another accepted safety standard, before the product is likely to be accepted for US installation. An additional perovskite-specific challenge exists: IEC 61730 and UL 61730 were developed primarily for crystalline silicon and thin-film technologies; the long-term stability and degradation behaviour of perovskite absorbers may require the NRTL to apply engineering judgement or special conditions of acceptability beyond the standard test sequence. As of June 2026, no UL or OSHA-published formal guidance on a dedicated perovskite module NRTL certification pathway has been identified; NRTLs are evaluating perovskite modules case-by-case. TÜV SÜD PPP 58229:2024 does not substitute for US NRTL listing.A Chinese-manufactured perovskite or tandem PV module bearing only a GB/T 37409-2019 test report or an IEC 61730 CB Scheme certificate (from CQC or CGC) does not automatically satisfy US AHJ/NRTL acceptance expectations. US installation normally requires an OSHA-recognised NRTL listing, commonly evaluated to UL 61730 or another accepted safety standard, with no automatic equivalence from existing Chinese or international certifications. Perovskite module technology additionally faces an unresolved pathway challenge, as UL 61730 was developed for established module technologies; NRTL evaluation may require case-by-case engineering judgement. [INFORMATIONAL ONLY — not a certification determination] UL Standards and Engagement (UL 61730-1, Ed. 3, published March 26, 2026)2026-06-12 · unverified
PV Module Design Qualification — IEC 61215 / AHJ and Utility Requirement (Perovskite Stability Challenge) China does not have a separate national standard directly equivalent to IEC 61215 design qualification for PV modules. Chinese manufacturers pursuing export markets typically obtain IEC 61215 certification through IECEE-accredited bodies (CQC, CGC, or international labs such as TÜV Rheinland). For domestic Chinese procurement, GB/T 9535-1998 (design qualification for terrestrial crystalline silicon PV modules, based on the superseded IEC 61215-1993) and GB/T 18912 (thin-film) provided legacy qualification frameworks, though these are largely superseded in practice by direct IEC 61215 testing for bankability-sensitive projects. GB/T 37409-2019 addresses safety (IEC 61730 equivalent) but not performance/design qualification (IEC 61215 equivalent). There is no current Chinese national standard for perovskite-specific module qualification. GB/T 9535-1998 has been superseded: China published GB/T 9535.1-2025 (Test requirements, adopting IEC 61215-1:2021) and GB/T 9535.101-2025 (crystalline silicon special requirements, adopting IEC 61215-1-1:2021) in 2025. The new GB/T 9535 series aligns with IEC 61215:2021 but remains a voluntary standard; no perovskite-specific part has been issued.GB/T 9535.1-2025 — Terrestrial PV Modules — Design Qualification and Type Approval — Part 1: Test Requirements (adopts IEC 61215-1:2021; supersedes GB/T 9535-1998)
GB/T 9535.101-2025 — Special Requirements for Testing of Crystalline Silicon PV Modules (adopts IEC 61215-1-1:2021)
GB/T 18912 — PV Modules — Salt Mist Corrosion Testing (supplementary)
IEC 61215-1:2021 / IEC 61215-2:2021 (pursued directly by Chinese exporters via CQC/CGC for international bankability)		 In the United States, IEC 61215 (design qualification and type approval for terrestrial PV modules) is not a mandatory federal standard. It is a voluntary consensus design-qualification standard that AHJs, utilities, project financiers, and procurement contracts may specify as a condition of interconnection approval, procurement, and bankability. IEC 61215-1:2021 (general requirements) and IEC 61215-2:2021 (test procedures) establish accelerated ageing, thermal cycling, damp heat (1,000 h at 85 degrees C / 85% RH), UV pre-conditioning, and mechanical load tests intended to verify a module design can deliver rated performance over a 25-year-plus service life. For perovskite and perovskite/silicon tandem modules, the IEC 61215 damp heat, thermal cycling, and UV tests represent a significant qualification barrier: perovskite absorbers are sensitive to moisture and heat, and the IEC 61215 sequence was developed for established crystalline silicon and thin-film technologies. IEC TC82 is developing IEC 62788 (measurement procedures) and IEC TS 63209 (extended-stress testing) provides supplemental reliability sequences for PV modules beyond IEC 61215, but perovskite modules require material-specific adaptations not yet codified in a finalised normative IEC standard. As of June 2026, no finalised perovskite-specific IEC qualification standard (annexes to IEC 61215 or standalone) has been published by TC82. TÜV SÜD has published the proprietary PPP 58229:2024 specification for perovskite module qualification as an interim industry pathway.IEC 61215-1:2021 — Terrestrial Photovoltaic (PV) Modules — Design Qualification and Type Approval — Part 1: Test Requirements
IEC 61215-2:2021 — Terrestrial Photovoltaic (PV) Modules — Design Qualification and Type Approval — Part 2: Test Procedures
IEC 61215-1-1:2021 — Particular Requirements for Testing of Crystalline Silicon PV Modules
IEC 61215-1-4:2021 — Particular Requirements for Testing of Thin-Film CdTe PV Modules (reference for non-silicon technology approach)
IEC 62788 series (in development) — Measurement Procedures for Materials Used in PV Modules
IEC TS 63209-1:2021 / IEC TS 63209-2:2022 — Photovoltaic Modules — Extended-Stress Testing (supplemental reliability sequences beyond IEC 61215 baseline)
TÜV SÜD PPP 58229:2024 — Test Procedures and Requirements for Design Qualification, Type Approval and Safety Qualification of Perovskite-Based Terrestrial Flat Plate Modules (proprietary specification)		 There are two compounding gaps for Chinese perovskite and tandem module exporters targeting the US market. First, IEC 61215 design qualification is not a US legal mandate, but it is a voluntary consensus and bankability standard that US utilities, AHJs, lenders, and procurement contracts may require as a commercial or interconnection condition; Chinese manufacturers may need certification from an internationally recognised lab, and older Chinese GB/T 9535 evidence may not be accepted. Second, and more significantly, perovskite absorbers are known to degrade under the conditions of IEC 61215 standard damp heat (85 degrees C / 85% RH for 1,000 h) and thermal cycling tests far more rapidly than crystalline silicon, creating a fundamental qualification barrier. No finalised perovskite-specific IEC qualification standard has been published as of 2026. Chinese lab IEC 61215 certificates for perovskite modules are therefore either not yet available or rely on interim/partial test conditions. US utilities and financiers may additionally impose enhanced stability testing requirements beyond IEC 61215 for perovskite technology. As of June 2026, no US utility or DOE programme has published a finalised perovskite-specific module qualification specification; the California Energy Commission (CEC) has commissioned a module validation programme for perovskite/tandem PV (CEC-EPC-21-036) that is ongoing. Manufacturers should monitor CEC and DOE SETO publications for emerging requirements.A Chinese-manufactured perovskite or tandem PV module may struggle to demonstrate IEC 61215 design qualification under the current standard framework, because perovskite absorbers typically fail or are not evaluated under the IEC 61215 damp heat and thermal cycling sequences developed for established module technologies. No finalised perovskite-specific IEC qualification standard exists as of 2026. US utilities and financiers that contractually require IEC 61215 qualification may therefore be unable to accept perovskite module designs through the standard pathway, creating a significant commercial barrier in addition to the separate legal/code NRTL and AHJ acceptance path. Chinese GB/T 9535 test reports are not automatically accepted as equivalent. [INFORMATIONAL ONLY — not a certification determination] IEC (International Electrotechnical Commission) — IEC 61215-1:2021, Ed. 2.02026-06-12 · unverified
PV Module Fire Classification — UL 61730 / UL 790 / ASTM E108 China certifies PV modules under GB/T 9978 series (fire resistance of building components) and GB 4943.1 for general product safety, but there is no direct Chinese national standard that mandates a declared fire classification (Class A/B/C) for PV modules equivalent to the UL 790/ASTM E108 test regime. The Chinese CQC voluntary certification and NB/T 32004 (inverter safety) do not address module-level fire spread. Fire-related module requirements in China are mostly addressed through building fire codes (GB 50016) at the installation level rather than as a product-level listing requirement.GB/T 9978 series (Fire Resistance Tests — Building Components)
GB 4943.1 (Safety of Information Technology Equipment)
GB 50016 (Code for Fire Protection Design of Buildings)
NB/T 32004 (Technical Requirements for PV Grid-Connected Inverters)		 US fire-class acceptance for PV modules is driven by NEC Article 690 as adopted by state/local law, AHJ permit conditions, building-code roof assembly requirements, and utility interconnection requirements. UL 61730, UL 790, and ASTM E108 are voluntary consensus test/listing standards commonly used to document a module fire classification (Class A, B, or C); they are not themselves the mandatory legal obligation. Class A provides the highest resistance to severe fire exposure. Many jurisdictions require at least Class C for PV installations, and AHJs or utility agreements may specify Class A, particularly for rooftop installations. Perovskite modules should obtain an NRTL listing or AHJ-accepted evidence that explicitly carries the required fire class before US installation.UL 61730-1 / UL 61730-2 (Photovoltaic (PV) Module Safety Qualification)
UL 790 (Standard for Tests for Fire Resistance of Roof Covering Materials)
ASTM E108 (Standard Test Methods for Fire Tests of Roof Coverings)
NEC Article 690 (Solar Photovoltaic Systems)		 China has no product-level fire-class listing route for PV modules comparable to the US AHJ/NRTL acceptance path using UL 61730 + UL 790/ASTM E108 evidence. Chinese-manufactured perovskite modules will not automatically carry an AHJ-accepted US fire class and cannot normally be installed in the US without completing NRTL evaluation or other AHJ-accepted evidence showing the required Class A, B, or C rating. This is a full compliance gap requiring new third-party testing/listing or project-specific AHJ acceptance.NON-COMPLIANT by default for US installation acceptance. A perovskite module manufactured in China and certified only under Chinese standards will not automatically carry an AHJ-accepted US fire classification. Before US installation, the importer or project sponsor should obtain NRTL listing or other AHJ-accepted evidence showing the required fire class (A, B, or C), commonly using UL 61730 with UL 790/ASTM E108 test evidence. This is an informational assessment only and does not constitute legal or regulatory advice. U.S. Occupational Safety and Health Administration (OSHA)2026-06-12 · unverified
Lead (Pb) Hazardous Waste — EPA TCLP / RCRA Subtitle C (Perovskite-Specific End-of-Life Risk) [No EPA perovskite-specific rule as of June 2026 — formulation TCLP testing required] China does not have an equivalent end-of-life leaching test for PV modules that mirrors the US EPA TCLP D008 hazardous-waste determination. GB/T 15555.2 governs solid-waste leaching tests in China, and GB 5085.3 sets hazardous-waste identification standards for leaching toxicity, but these are not specifically applied to PV module disposal as a standard industry practice. The Chinese national standard GB/T 39560 series (PV module recycling) addresses collection and processing but does not impose a TCLP-equivalent lead-leaching threshold that would trigger hazardous-waste classification for lead-containing perovskite modules. No binding Chinese regulation specifically classifies lead-halide perovskite modules as hazardous waste at end of life.GB/T 15555.2 (Identification of Solid Waste — Leaching Toxicity)
GB 5085.3 (Identification Standards for Hazardous Wastes — Leaching Toxicity)
GB/T 39560 series (General Specifications for PV Module Recycling)		 Lead-halide perovskite PV modules contain lead compounds (typically CH3NH3PbI3 or similar). Under US federal law, end-of-life disposal is governed by the Resource Conservation and Recovery Act (RCRA) Subtitle C. The EPA Toxicity Characteristic Leaching Procedure (TCLP, Method 1311) is used to determine whether a solid waste exhibits the toxicity characteristic for lead: if leachate exceeds 5 mg/L Pb, the waste is classified as hazardous waste code D008 and must be managed under RCRA Subtitle C (40 CFR Part 261.24). Multiple peer-reviewed studies confirm that lead-perovskite module fragments can exceed the TCLP D008 lead threshold under water-extraction conditions, making hazardous-waste classification a credible end-of-life risk. California manages discarded PV modules under universal-waste rules (Title 22 CCR, administered by DTSC); other US states have varying solar stewardship or e-waste requirements. EPA has not issued a perovskite-specific module disposal rule as of June 2026 — the TCLP determination must be conducted on the specific module formulation before US market entry. State-by-state obligations must be verified per jurisdiction.RCRA Subtitle C (42 U.S.C. 6921 et seq.) — Hazardous Waste Management
EPA TCLP Method 1311 (Toxicity Characteristic Leaching Procedure) — 40 CFR Part 261, Appendix II
40 CFR Part 261.24 — Toxicity Characteristic (D008 Lead threshold: 5.0 mg/L)
California universal-waste rules for PV modules — Title 22 CCR, administered by DTSC
State-level solar stewardship and e-waste rules — vary by jurisdiction; California (Title 22 CCR universal-waste rules, DTSC) confirmed applicable to PV modules; confirm requirements in each target state before US market entry		 The US EPA TCLP D008 threshold (5 mg/L Pb) is confirmed (40 CFR 261.24) and creates a real hazardous-waste classification risk at end of life for lead-halide perovskite modules; peer-reviewed studies confirm exceedance is likely for many formulations. This risk has no equivalent in Chinese regulation. If a specific module formulation fails TCLP, US disposal costs and liabilities increase substantially under RCRA Subtitle C. Chinese manufacturers have no domestic regulatory equivalent that would prompt pre-market TCLP testing. State-level obligations compound the federal risk: California manages discarded PV modules under universal-waste rules (Title 22 CCR, DTSC); other states have varying solar stewardship or e-waste requirements. EPA has not issued a perovskite-specific disposal determination as of June 2026 — manufacturers should conduct TCLP testing on their specific formulation and consult environmental counsel on applicable state obligations before US market entry.RISK FLAGGED. Lead-halide perovskite modules sold in the US are subject to RCRA Subtitle C hazardous-waste obligations at end of life if the specific formulation exceeds the EPA TCLP lead threshold of 5 mg/L (D008, 40 CFR 261.24). Peer-reviewed literature confirms this threshold is commonly exceeded by lead-perovskite fragments. EPA has not issued a perovskite-specific disposal determination as of June 2026. Manufacturers and importers should commission TCLP testing on their specific module formulation before US market entry to assess disposal classification. State-level solar stewardship and universal-waste programmes (California manages discarded PV modules under Title 22 CCR universal-waste rules; other states vary) add additional compliance obligations that must be verified per jurisdiction. This is an informational assessment only and does not constitute legal or regulatory advice. US Environmental Protection Agency (EPA)2026-06-12 · unverified

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