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Investor-owned utilityCentral Hudson interconnection application
Central Hudson is an investor-owned utility serving 270,607 residential customers in New York (EIA-861, 2025). Applications: PowerClerk (PowerClerk Interconnection Online Application Portal (IOAP)). Gridpol files Central Hudson interconnection applications for licensed installers – solar, storage and EV chargers – with single-line diagram and site plan, unlimited for $500 a month.
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Process verified from Central Hudson’s official sources (see below). Contacts: DG@cenhud.com (applications/PowerClerk support), Pvmetering@cenhud.com (metering/billing). Residential sub-page not read.
Central Hudson at a glance
Central Hudson Gas & Elec Corp (Fortis Inc)
TypeInvestor-owned utility
EIA utility ID3249
Residential customers270,607 (EIA-861, 2025)
Net-metered residential customers18,214 (EIA-861, 2025)
Service territory7 counties in New York
How to applyPowerClerk – PowerClerk Interconnection Online Application Portal (IOAP) · official link
Who submitsApplicant/contractor via PowerClerk; portal used to submit application, request final acceptance (PTO), upload documents and check status.
Export compensationNEM – NY net metering (Phase One NEM for mass-market) / Value Stack
compensation per utility tariff under PSC Case 15-E-0751; verify per-project eligibility
SIR <=50 kW: utility has 10 business days to determine completeness/approval; 10 business days after deficiency info received; applicant has 30 business days to cure or is removed from queue; NEM metering changes within 10 business days of completion notice; witnessed verification test within 10 business days of notice; applicant certifies test within 5 business days; final acceptance letter within 5 business days; project may be removed after 12 months of inactivity.
Documents Central Hudson asks for
- Interconnection application formSIR standardized application (Appendix B inverter-based / C non-inverter) Gridpol prepares this.
- Interconnection agreementsigned NYS Standardized Interconnection Contract (Appendix A) for residential <=50 kW
- Letter of authorization / designated agent form (when applicable)customer-signed letter of authorization if contractor acts as agent
- Site plan / site layout (when applicable)for new service: site plan with interconnection point on satellite image (Google Earth/Bing); existing service: account and meter numbers Gridpol prepares this.
- Other utility-specific documentproject narrative, DG type/fuel, AC kW size, net metered/remote/community designation
- UL 1741 / IEEE 1547 certificationUL 1741 certificate (incl. SB); power-limited equipment needs manufacturer letter
- Inverter spec sheetmanufacturer data sheet for interface equipment
- Other utility-specific documentmanufacturer's verification test procedures (systems <=50 kW)
- Single-line diagram (one-line)single-line for PV and BESS (three-line for other types); must show inverter protection settings, disconnects, components Gridpol prepares this.
- Battery spec sheet (when applicable)SIR Appendix K ESS requirements (stand-alone/hybrid option, nameplate, export/import capacity)
How the Central Hudson process runs
- Initial communication / inquiry (single point of contact assigned)
- Submit complete application package (Appendix F) in the customer's name via the utility's Interconnection Online Application Portal (IOAP) - no fee <=50 kW
- Utility reviews within 10 business days; acceptance includes executed Standardized Interconnection Contract and whether utility will witness testing
- Install per accepted design (revised diagram if substantive changes); NEM meter changes by utility
- Verification testing per Appendix F (witnessed or applicant-certified within 5 business days)
- Final acceptance letter (PTO) within 5 business days
Fees
| Fee | Applies to | Note |
|---|---|---|
| $0 | <=50 kW | SIR Step 3 |
| $750 | >50 kW up to 5 MW (and pre-application) | plus CESIR/construction costs; 25% payment if costs >$10,000 |
Utility fees are paid by the installer or customer; they are not part of the Gridpol plan.
Size levels and limits
| Level | Up to | Note |
|---|---|---|
| Expedited (<=50 kW) | 50 kW | inverter-based 50-300 kW certified UL 1741 SB may use expedited path (Exception 1) |
| Standard (>50 kW-5 MW) | 5000 kW | screens + CESIR if needed |
SIR covers DG and ESS up to 5 MW AC
Storage, EV and stamps
Battery storage
SIR covers energy storage systems up to 5 MW AC inverter/converter nameplate; export capped at 5 MW. Appendix K: stand-alone vs hybrid (Option A charged only by DG, B ESS no export, C/D grid charging netted), market participation, nameplate per configuration, total export/import capacity; factory-limited ratings need manufacturer letter.
PE stamp
SIR Appendix F: drawings for systems interconnected at 1,000 V or greater must be sealed by a NYS licensed Professional Engineer. – PE-stamped drawings are not included in Gridpol.
Common issues the utility lists
- Incomplete package per SIR Appendix F checklist (utility must list deficiencies)
- Substantive design variation from accepted diagram without revised diagram
- Failure to cure deficiencies within 30 business days
- Non-certified equipment (fails UL 1741/UL 1741 SB screen)
- Underground secondary network locations may need extra review or be denied
Gridpol’s pre-submission check covers these before we file.
Sources
- Central Hudson Solar & Distributed Energy: https://www.cenhud.com/en/my-energy/distributed-generation/ (retrieved 2026-11-13)
- Central Hudson DER Contacts: https://www.cenhud.com/en/my-energy/distributed-generation/der-contacts/ (retrieved 2026-11-13)
- NYS Standardized Interconnection Requirements (SIR), effective Oct 1, 2026: https://dps.ny.gov/nys-standardized-interconnection-requirements-effective-october-1-2026 (retrieved 2026-11-13)
$500 / month
Unlimited interconnection applications. 12-month agreement, signed online. The agreement starts the day you sign; first invoice right away, then monthly.
- Unlimited interconnection applications
- Single-line diagram and site plan for every application
- Pre-submission check against the utility’s requirements
- Homeowner e-signature link for the authorization
- Filing in your utility portal accounts or by the utility’s method
- Utility questions, corrections and resubmissions
- Follow-up through approval, inspection and PTO
- Customer list, exports, API and webhooks
Applications are typically submitted within 2 business days after complete documents. Utility review times are set by each utility.