In short
Chapter 9.5 of the Joint Regulation orders the permit process for a distributed generation system with non-renewable sources: the generator a business, institution or project installs to make its own power. It starts with who may design it — they must be Professional Engineers duly colegiados and licensed — and with the rule that designs must match the site’s existing conditions and be made under this Regulation, the AEE’s applicable regulations and the other applicable laws and codes. The recommendation request is short: site plans with the location and an explanatory memorial with the technology type, the nominal capacity in kilovolt-amperes, the location, geographic aspects and whether the system will be interconnected with the AEE’s electrical system or operate isolated. The construction permit application is the long one: a DXF file georeferenced to NAD 83, plans sealed and signed by the designer, complementary documents with a signature and seal on each sheet, and the notes the AEE requires, among them those detailing the works the AEE will carry out for the project’s construction and connection. Amendments may be filed before or after the works begin, but if they touch the endorsed capacity a new Recommendation Request must be filed first. And at the end, once the Permiso Único is issued, the AEE shall permit interconnection within a maximum of five days.
What is it?
It is Chapter 9.5 of Joint Regulation No. 9473, inside the infrastructure and environment volume. It governs distributed generation systems with non-renewable energy sources: who designs them, what documents the recommendation request and the construction permit application require, how plans are amended and how the project is energised. This guide is about electricity; potable water and sanitary sewer go under different chapters and have their own guides. It is the non-renewable-sources one; renewable sources are in Chapter 9.2 and have their own guide. And it is the permit one: the duty of certain facilities to have a generator comes from Act 88-2018 and is covered by our guide to that act.
Who can do it?
The chapter applies to non-renewable energy generation system projects. Designers must be Professional Engineers duly colegiados and licensed to practise; designs must match the site’s existing conditions and be made under the Joint Regulation’s applicable provisions, the AEE’s applicable regulations and the applicable laws and other codes and regulations. Where the generation system interconnects with the AEE’s electrical system, the recommendation request, the construction permit application — the endorsement — and the energising request are all filed by the means the AEE establishes and under the regulation it promulgates.
Requirements
- That the system’s designer be a Professional Engineer duly colegiado and licensed to practise.Verified against the official source
- That the designs match the site’s existing conditions and be made under the Joint Regulation’s applicable provisions, the AEE’s applicable regulations and the applicable laws and other codes and regulations.Verified against the official source
- That the construction plans be sealed and signed by the designer, with the responsible professional’s signature and seal on each sheet; and, where more than one professional or designer participates, that each sheet show in original the compliance certification, electronic signature and professional seal of all those responsible.Verified against the official source
- Where the system interconnects with the AEE’s electrical system: filing the recommendation request, the construction permit application — the endorsement — and the energising request by the means the AEE establishes and under its regulation in force.Verified against the official source
- If a plan amendment includes changes in the endorsed capacity or others affecting connection conditions: filing a new Recommendation Request before the amendment, and not carrying out the alteration until OGPe approves it.Verified against the official source
- For the Permiso Único: the Designated Inspector’s certification that the project complies with the approved plans, regulations and applicable laws, and the system’s final description with its final capacity and technology type.Verified against the official source
- In non-residential projects: keeping a public liability policy covering property and personal damage of not less than one million dollars per occurrence and one million in the aggregate, in effect throughout construction and operation, with the AEE included as an insured if the system interconnects.Verified against the official source
Documents you need
Cost
Step by step
Step 1: Who may design the system
The chapter opens without preamble: designers of non-renewable energy generation systems must be Professional Engineers duly colegiados and licensed to practise. Designs must match the site’s existing conditions, and are made under this Regulation’s applicable provisions, the AEE’s applicable regulations, and the applicable laws and other codes and regulations. Worth noting a difference from the renewable-sources chapter: that one adds the DDEC’s PPPE regulation in force to the list of design standards; this one does not mention it. We report what each chapter says and do not carry requirements from one into the other.
Step 2: The recommendation request: two documents
Every request for recommendations on non-renewable generation system works needs two things. Site plans including the project’s location. And an explanatory memorial with the project’s general description: the technology type; the nominal capacity in kilovolt-amperes; the location, that is, the physical address; the geographic aspects — topography, a general description of the environment, among others; and identification of whether it will be interconnected with the AEE’s electrical system, that is grid connected, or operate isolated, stand alone. And a channel rule: where the generation system interconnects with the AEE’s electrical system, the recommendation request must be filed by the means the AEE establishes and under the regulation it promulgates.
Step 3: The construction permit and the AEE endorsement
Here the list grows long and is written for the responsible professional. A digital file of the plans to scale, north-oriented and in DXF format, including a polygon of the project’s territorial extent georeferenced to the NAD 83 coordinate system, stating whether the unit of measure used is feet or metres and the NAD 83 revision; files may be compressed. Construction plans sealed and signed by the designer, illustrating the existing conditions and installations, including electrical ones, in the works area. Complementary documents with the date of preparation, the responsible professional’s name, postal address and telephone numbers, their signature and seal on each sheet — and, where more than one professional or designer participates, each sheet showing in original the compliance certification, electronic signature and professional seal of all of them — the total number of sheets and a legend identifying every symbol; those documents include technical specifications and construction and equipment details. The plans must clearly specify any proposed relocation of existing lines: if relocating a distribution, transmission or subtransmission line is proposed, one plan for the relocation design and another for the proposed system are required, illustrating the proposed line’s profiles. And in addition to all of the above, where the system interconnects with the AEE’s electrical system, the construction permit application — the endorsement — must be filed by the means the AEE establishes.
Step 4: The AEE’s notes and who does which work
The plans must include the notes the AEE requires, plus other necessary notes explaining the details in the drawings; applying design strategies to improve the project’s safety and facilitate construction; detailing the works the AEE will carry out for the project’s construction and connection; establishing the AEE’s easement requirements; and describing the improvement works the AEE requests. A useful comparison: in the public-road access chapter, the ACT’s notes establish the project owner’s contribution to the agency; here the notes detail the works the AEE will carry out. We report each chapter’s own wording without harmonising them.
Step 5: Amending plans and the endorsed capacity
Construction plans previously certified under the regulation’s provisions may be amended before or after the works have begun, provided the professional files the corresponding amendment request through OGPe’s electronic filing system. The plans must meet the same requirements and the same procedure as the original construction application is followed. And here the condition that decides: if the amendments include changes in the endorsed capacity or others affecting connection conditions, a new Recommendation Request must be filed before filing the requested amendment. The particular alteration or change proposed may not be carried out until OGPe approves the amendment.
Step 6: Energising: the Permiso Único and the five days
Once the project is built, acceptance tests are run and the non-renewable system’s installation is inspected and certified, as applicable, under the AEE’s regulation in force. To that end, the owner or their authorised representative may ask OGPe, or the hierarchy I-III autonomous municipality, for the corresponding Permiso Único, delivering the Designated Inspector’s certification that the project complies with the approved plans, regulations and applicable laws, and the system’s final description with its final capacity and technology type. Where the system interconnects with the AEE, the energising request is filed by the means it establishes; and if the purpose is exclusively selling energy under a PPOA, the AEE verifies compliance with every requirement of its plan evaluation and certification process before energising. The deadline: once OGPe or the municipality issues a Permiso Único, where the system connects to the AEE’s electrical system, the AEE shall permit interconnection within a maximum of five days after the permit is issued, unless it finds the built work has deficiencies or departs from the certified plans approved by OGPe, regulations or applicable laws, and those deficiencies and irregularities put life, safety or property at risk. In every case where the AEE finds the work departs, it must initiate the corresponding administrative process and immediately refer the case to OGPe. A note from the source: the renewable-sources chapter orders the case referred to OGPe and to the Planning Board; this one names only OGPe.
Step 7: The public liability insurance
Every owner or operator of non-renewable energy generation systems in non-residential projects must keep a public liability policy covering property and personal damage of not less than one million dollars per occurrence and one million in the aggregate. That cover shall be in effect throughout the system’s construction and operation. Evidence of the cover is required before construction or use permits are issued under the regulation, but not as a prerequisite to filing a permit application. And if the system will be interconnected with the AEE’s electrical system, that public corporation shall be included as an insured in the policy, which must meet the requirements of the AEE’s applicable regulation. Two honest warnings. One about placement: in the document, these insurance provisions are printed as a sub-item inside the paragraph dealing with what the AEE does when it finds the work departs from the plans; we reproduce the substance and flag where it sits. And one about scope: unlike the wind energy chapter, this one establishes no exemption for inverter-based systems under three hundred kilowatts or up to one megawatt, and we do not carry that exemption from one chapter to the other.
Where to do it
The construction permit application and its amendments are filed with OGPe — the amendments through the electronic filing system — and OGPe or the hierarchy I-III autonomous municipality issues the Permiso Único. Where the system interconnects with the AEE’s electrical system, the recommendation request, the construction permit application — the endorsement — and the energising request are also filed by the means the AEE establishes and under its regulation in force. Interconnection and acceptance tests are governed by the AEE’s regulation.
How long it takes
What to do if something goes wrong
Three decisions order the process. The first is who designs: it must be a Professional Engineer duly colegiado and licensed, and the design must match the site’s existing conditions. The second is whether the system will interconnect with the AEE or operate isolated, because that decides whether you must file twice over: the recommendation request, the construction permit endorsement and the energising request are also filed by the means the AEE establishes. The third is capacity: if you later amend plans and the change touches the endorsed capacity or the connection conditions, a new Recommendation Request must be filed before the amendment, and you may not carry out the change until OGPe approves. To close, gather first the Designated Inspector’s certification and the system’s final description — final capacity and technology type: with those the Permiso Único is requested, and once issued the AEE shall permit interconnection within a maximum of five days, unless it finds deficiencies that put life, safety or property at risk. If your project is not residential, do not leave the insurance to the end: a public liability policy of one million per occurrence and one million in the aggregate is needed, and evidence is required before the permit is issued, though not before filing the application. Five caveats. First: we publish no cost or processing time; the chapter fixes no fee and the only term it gives is those five days. Second: we did not read the AEE’s applicable regulations, its plan evaluation and certification process or its easement requirements; we name them because the chapter sends readers to them. Third: this chapter is shorter than the renewable-sources one and does not ask for several things that one does — a NAD 83 georeference on the recommendation’s site plans, an illustrative diagram to the interconnection point, the inverter manual, a protection and control scheme, a scale classification; we say so because we do not import requirements from one chapter into another. Fourth: nor does it establish the insurance exemptions the wind energy chapter does carry for inverter-based systems. Fifth: this guide is about the permit; the duty of certain facilities to have a generator comes from Act 88-2018, which has its own guide, and water and sewer go under different chapters. And the file the Board links is named "Reglamento Conjunto de Emergencia", but the document inside is Joint Regulation No. 9473 of 16 June 2023.
Common mistakes
- Having the design made by someone who is not a colegiado, licensed Professional Engineer.
- Filing only with OGPe where the system will interconnect: the AEE has its own filing means.
- Omitting from the memorial the nominal capacity in kVA or whether the system will be grid connected or stand alone.
- Delivering the plan file without the polygon georeferenced to NAD 83 or the revision used.
- Amending the endorsed capacity without first filing a new Recommendation Request.
- Carrying out an amendment’s change before OGPe approves it.
- Relocating an existing line with a single plan, without the proposed system’s plan or the profiles.
- Leaving the insurance until after the permit: evidence is required before it issues in non-residential projects.
Frequently asked questions
Who may design the generation system?
Designers of non-renewable energy generation systems must be Professional Engineers duly colegiados and licensed to practise. Designs must match the site’s existing conditions and are made under the Joint Regulation’s applicable provisions, the AEE’s applicable regulations, and the applicable laws and other codes and regulations.
How long does interconnection take after the permit?
Once OGPe or the hierarchy I-III autonomous municipality issues a Permiso Único, where the non-renewable generation system connects to the AEE’s electrical system, the AEE shall permit the system’s interconnection within a maximum of five days after that permit is issued, unless it finds the built work has deficiencies or departs from the certified plans approved by OGPe, regulations or applicable laws, and those deficiencies and irregularities put life, safety or property at risk.
What if I change the generator’s capacity?
If the plan amendments include changes in the endorsed capacity or others affecting connection conditions, a new Recommendation Request must be filed before filing the requested amendment. In addition, the particular alteration or change proposed in the amendment may not be carried out until OGPe approves the amendment.
Do I need insurance for the business generator?
In non-residential projects, yes: every owner or operator of non-renewable energy generation systems must keep a public liability policy covering property and personal damage of not less than one million dollars per occurrence and one million in the aggregate, in effect throughout construction and operation. Evidence is required before construction or use permits are issued, but not as a prerequisite to filing the application. If the system will be interconnected with the AEE, that public corporation shall be included as an insured in the policy.
What do I need to request the Permiso Único?
The Designated Inspector’s certification that the project complies with the approved plans, regulations and applicable laws, and the system’s final description with its final capacity and technology type. Beforehand, once the project is built, acceptance tests are run and the installation inspected and certified under the AEE’s regulation in force.
Official sources
These are the government pages this guide is based on.
- Oficina de Gerencia de Permisos (OGPe)
OGPe
docs.pr.gov
- Permit Management Office
ogpe
ogpe.pr.gov
Last verified
September 4, 2026
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