DEWA Solar Design Approval Process: Shams Dubai Guide

The DEWA solar design approval process is the technical submission route for connecting a building solar PV system under Shams Dubai. An enrolled solar consultant or contractor submits the application, drawings, calculations, equipment details, and agreement record through DEWA’s online service.

Direct answer. Confirm the customer, plot, connected load, meters, roof conditions, and eligible equipment first. Then coordinate the design assessment form, load schedule, single-line diagram, site layout, production details, installation drawings, and wiring calculations. The enrolled applicant submits the combined solar permit and connection request. Construction, inspection, testing, metering, and activation follow as separate controlled stages.

This guide is for Dubai building owners, solar EPCs, enrolled applicants, and design teams. Official DEWA pages were checked on September 26, 2026. Forms, portal fields, fees, service times, lists, and technical requirements can change. The current DEWA service record and assigned reviewer control each project.

What is the DEWA solar design approval process?

Dubai Electricity and Water Authority, or DEWA, operates Shams Dubai within its Distributed Renewable Resources Generation, or DRRG, programme. The initiative connects building solar PV systems to DEWA’s distribution grid.

DEWA’s Shams Dubai overview explains the operating arrangement. Solar electricity serves on-site loads, while surplus electricity can flow to DEWA’s network. The project must still pass the applicable permit, design, inspection, metering, and connection steps.

The approval path has three broad stages:

Stage	DEWA label	Main project outcome
A	Getting Solar Permits & Connections application	Solar NOC, technical design review, design approval, and estimate or invoice when applicable
B	Inspection and Connection	Site inspection, snag closure, agreement, metering, testing when required, and grid connection
C	Generation	Activated system can generate, serve the premises, and export surplus under the applicable arrangement

These stages are related, but they are not one approval. A design approval does not prove field installation acceptance. An inspection does not replace meter installation or connection activation. A portal reference number does not mean technical approval.

Who can submit a Shams Dubai solar application?

DEWA’s current service page states that only an enrolled Solar Consultant or Contractor can submit the Getting Solar Permits & Connections application. The customer assigns that enrolled party to act through the project workflow.

The official consultant and contractor page separates several records:

Company enrolment for DRRG solar PV work.
Solar PV certification training.
Getting Solar Permits & Connections.
The public list of enrolled consultants and contractors.
The list of eligible solar equipment.
Shams Dubai standards, guidelines, and inspection resources.

Verify the company on DEWA’s current list before appointment. Confirm whether it will act as consultant, contractor, or both. Write the exact submission, construction, inspection, testing, and closeout responsibilities into the contract.

An overseas drafting or engineering support team can prepare coordinated files for the enrolled applicant. It should not represent itself as the DEWA applicant, approving authority, or enrolled local party unless DEWA’s current record proves that status.

What does DEWA enrolment cover?

DEWA publishes a separate DRRG enrolment page. It describes company trade-license activities, existing electrical enrolment, certified Solar PV Experts, and supporting documents.

That business-level enrolment is distinct from a project application. The project still needs its own customer data, design, drawings, equipment record, portal submission, review, inspection, and connection.

Avoid three common role errors:

A designer assumes the EPC can submit because it has built solar elsewhere.
An owner appoints a listed firm without defining who owns design responses.
An outsourced team prepares drawings under its own name without the enrolled applicant’s checking and issue control.

The enrolled applicant should own the DEWA-facing issue. Every support-team deliverable should pass through that party’s review before upload.

What should be confirmed before the design starts?

Start with an intake register, not a module layout. The design basis should identify the legal customer, electrical service, building, roof, operating case, and submission owner.

Collect these records:

DEWA customer and account information.
Plot, building, and site address.
Existing import meters and proposed generation meter location.
Total connected load and maximum demand records.
Main distribution board and sub-main distribution board schedules.
Existing one-line diagram and available as-built drawings.
Roof survey, access, drainage, obstructions, and fire or maintenance routes.
Structural record for the roof or supporting frame.
Consumption and operating-profile data used for system sizing.
Proposed module, inverter, interface protection, and metering arrangement.
Free-zone status and Affection Plan when applicable.
Enrolled consultant or contractor details and named project reviewer.

DEWA’s service page makes the Affection Plan required only for a project falling in a Dubai free-zone area. Confirm the current portal request for the specific plot rather than attaching an unrelated plan.

Create a missing-information log. Mark each input as received, field verified, assumed, or awaiting DEWA clarification. A layout produced from an unverified roof or load schedule should remain preliminary.

The solar 3D pre-design service can support early geometry and capacity studies. It does not replace the enrolled applicant’s project assessment or DEWA submission.

How should the proposed PV capacity be established?

Do not size the system from roof area alone. The application must reconcile the proposed capacity with the premises, connected load, meters, equipment, and DEWA’s current connection conditions.

DEWA’s connection process points to Section 2.2 of the Shams Dubai Connection Conditions. It says installed capacity cannot exceed the applicable share of Total Connected Load. DEWA may also impose a lower threshold for distribution-grid integration reasons.

This public statement is a limit, not a sizing formula. The project team should open the current Connection Conditions and design assessment resources from DEWA’s Publications & Resources area. The enrolled applicant should resolve any uncertain interpretation before issue.

Record both DC and AC quantities clearly:

Module count and module power.
Total installed DC capacity in kWp.
Inverter quantity and AC rating.
Total inverter AC capacity.
DC-to-AC ratio.
Existing parallel generation, if any.
Proposed point of connection.
Connected-load and maximum-demand basis.
Expected annual production and its model assumptions.

Do not describe an energy estimate as approval evidence. Production modeling supports the submission, but network limits, equipment acceptance, protection, metering, and drawing consistency remain separate checks.

What documents does DEWA list for the application?

The official Getting Solar Permits & Connections service lists ten requirements. The current public list is summarized below without adding unverified portal fields.

DEWA-listed item	What the design team should control
Affection Plan for Dubai free-zone projects	Correct plot, current issue, and relationship to the proposed work
Module, inverter, and interface-protection details when a product is not on the DEWA list	Exact manufacturer, model, ratings, certificates, and submitted eligibility evidence
Design assessment input form in XLSX	Controlled inputs matching drawings, equipment, loads, and production record
Connected-load, maximum-demand, MDB, SMDB, existing-meter, and proposed generation-meter schedule in PDF	One electrical basis across schedules and one-line diagram
Grid-tied PV single-line diagram in PDF	Meters, inverters, interface protection, low-voltage distribution, ratings, and connection point
Site setting layout in PDF	Panels, related equipment, meters, access, and physical relationship to the building
Production details in PDF	Installed kWp, annual kWh estimate, model basis, and file revision
Installation details in PDF	Generation meter, modules, inverters, MDBs, SMDBs, and relevant construction details
Wiring layout and sizing in PDF	String design, inverters, solar cables, breakers, and coordinated ratings
Acceptance of Connection Agreement terms in PDF	Authorized, controlled agreement record as required by the current service

The public page identifies PDF and XLSX as the permitted attachment types. Verify current size, naming, signature, and portal-field rules within the live application.

This list defines submission categories, not a universal sheet count. A commercial rooftop may need more sheets than a small villa. The enrolled applicant must decide how to package the required technical evidence for review.

What should the DEWA single-line diagram show?

The single-line diagram, or SLD, should reconcile the solar plant with the premises’ low-voltage distribution system. It should let the reviewer trace generation from strings through inverters and protection to the approved connection point.

Show applicable project data:

PV array blocks, string quantities, and DC ratings.
Inverter manufacturer, model, quantity, and AC rating.
DC and AC isolators or disconnecting devices.
String, feeder, and main protective devices.
Cable type, size, conductor count, and routing reference.
Interface protection system and trip path.
Main and sub-main distribution boards.
Existing import meter and proposed generation meter.
Point of connection and bus ratings.
Existing supply, transformer, or service data used by the design.
Earthing and bonding arrangement.
Surge-protection devices where the design requires them.
Equipment labels that match schedules and layouts.

Do not draw the solar system as an isolated box. The service page explicitly asks for the low-voltage distribution system, meters, inverters, and interface protection on the proposed grid-tie SLD.

Run a rating chain from the modules to the point of connection. Compare current, voltage, interrupting rating, conductor capacity, protective settings, and equipment limits. Record the calculation reference beside the relevant device.

What belongs on the site setting and installation layouts?

The site setting layout establishes where the proposed equipment sits. The installation drawings then show how the selected system fits, connects, and remains accessible.

The site record should identify:

Plot and building boundary.
North direction and drawing scale.
Roof areas and PV array zones.
Inverters, distribution boards, isolators, and interface protection.
Existing and proposed meter locations.
Cable routes between major equipment.
Access paths, ladders, stairs, doors, and restricted zones.
Roof obstructions, drains, parapets, plant, and shade sources.
Fire, maintenance, and emergency-access routes required by the project basis.
Structural support zones and attachment references.

Installation details should use the same equipment tags as the SLD and schedules. Show clearances, mounting, enclosure orientation, access, cable entry, environmental protection, and coordination with existing services.

For tin-shed or metal-roof work, verify the actual sheet profile, purlins, fasteners, corrosion condition, waterproofing, and load path. The solar civil and structural engineering page explains broader structural support, but the local project engineer must approve the final basis.

How should stringing, cables, and protection be documented?

DEWA lists wiring layout and sizing as a required PDF. The document should make every circuit traceable to its calculation and equipment limit.

Prepare a string schedule that includes:

Array or roof-zone identifier.
Module manufacturer and model.
Modules per string.
Number of parallel strings.
Inverter and maximum-power-point tracker assignment.
Design temperatures and voltage checks.
Operating current and protective-device basis.
DC cable type, size, route, and length.
Combiner or junction equipment where used.
Source drawing and revision.

The AC cable schedule should connect inverter outputs to boards and the final connection point. Coordinate ampacity, voltage drop, short-circuit conditions, installation method, grouping, temperature, and protective devices under the current project standards.

Do not hide cable design inside a spreadsheet that the drawings contradict. If a route changes, review length, voltage drop, grouping, protection, and equipment terminations. Then revise the drawing and calculation together.

The solar BOQ calculation guide explains why quantities should derive from controlled layouts and schedules. A BOQ does not replace the DEWA design record.

How should modules, inverters, and interface protection be selected?

Start with DEWA’s current equipment list. The eligible equipment page states that DEWA publishes and updates the list regularly.

The list is not a commercial endorsement. DEWA’s disclaimer says the published information identifies manufacturers and equipment meeting its technical standards. It does not provide a warranty or replace purchasing and engineering review.

Create an equipment evidence record with:

Manufacturer and exact model.
DEWA-list status and check date.
Datasheet revision.
Rated electrical values.
Environmental and enclosure ratings.
Applicable certification evidence.
Inverter protection and control functions.
External interface protection where required.
Drawing and portal locations using that model.
Approved substitution process.

DEWA’s service requirements call for module, inverter, and interface-protection details if the product is not on its list. Do not assume that uploading a datasheet makes an unlisted product eligible. The enrolled applicant should confirm the current equipment path with DEWA.

Recheck equipment before procurement and before final installation. A portal application, approved drawing, purchase order, delivered product, and as-built record should all name the same model.

How should annual production be presented?

The service page requests production details in kWp and annual kWh. Keep the installed capacity separate from the modeled energy output.

The production package should identify:

Installed DC capacity.
Total inverter AC capacity.
Model software and version.
Weather data source and period.
Array tilt and azimuth.
Near-shading scene or obstruction basis.
Soiling, temperature, mismatch, wiring, availability, and other modeled losses.
Monthly and annual modeled production.
Model date and matching drawing revision.

Do not present modeled annual kWh as a guarantee. The result depends on weather, soiling, temperature, equipment behavior, curtailment, downtime, and the stated assumptions.

The UAE solar shading guide discusses Gulf geometry and loss modeling. The UAE solar design software guide compares tools. DEWA’s current submission instructions remain the authority for the required file and review path.

How are the portal submission and review handled?

The enrolled consultant or contractor logs into DEWA’s service, fills the application, uploads the required documents, and submits it. The service page says the system generates an application reference in the form S-xxxxxx.

Create a portal submission register before upload:

Portal record	Controlled source	Checker question
Customer and plot	Account and property record	Does it match every drawing title block?
Connected load and maximum demand	Approved schedules and source records	Does it match the design assessment form and SLD?
PV capacity	Module and inverter schedules	Are DC and AC values labeled correctly?
Equipment	Current equipment evidence	Do model numbers match all attachments?
Metering	Site survey and SLD	Are existing and proposed meters distinguished?
Attachments	Document register	Is each file current, checked, and correctly named?
Agreement acceptance	Authorized project record	Is the correct customer or agent action documented?

DEWA describes acceptance, rejection, return, and approval outcomes during processing. A returned application can be revised and resubmitted with corrected information. A rejected application requires a new application with correct or further information under the current service description.

Preserve every notice, comment, response, revised attachment, and discussion record. Do not overwrite the prior issue without a change log. The portal history and drawing register should show the same sequence.

What is the difference between Solar NOC and design approval?

DEWA says its current service bundles the Solar NOC and Solar Connection services into one application. After successful verification, the applicant receives the approved Solar NOC, design approval, and estimated invoice.

Bundling does not make the outputs interchangeable:

The Solar NOC records DEWA’s no-objection outcome within the stated service.
Technical design approval records the reviewed solar design basis.
The estimated invoice addresses applicable connection charges.
Inspection checks the installed site.
Meter installation and connection activation complete later service steps.

Name the actual document in project correspondence. Avoid saying DEWA approved when the team only has application acceptance, a returned review, an invoice, or one stage of the service.

DEWA’s public connection page says the applicable connection-fee estimate follows design approval. It also says systems over 400 kW may incur costs for dedicated grid-integration equipment. A budget estimate may be requested when the applicant submits the required technical information.

This statement does not predict the charge for a particular project. Use DEWA’s issued estimate and current service terms for commercial decisions.

Can construction start before design approval?

Treat technical design approval as a gate before building the approved system. The project team should not procure irreversible equipment or construct from an uncontrolled submission draft.

A controlled release should contain:

Approved drawing and calculation revision.
DEWA comments and their closure status.
Approved equipment models.
Purchase specifications matching those models.
Construction drawing list.
Hold points for inspections and hidden work.
Change-control route through the enrolled applicant.
Responsibility for as-built updates.

If early procurement is commercially necessary, label its approval risk. A manufacturer family name is not enough when DEWA and the design record identify an exact model.

The project can also require approvals outside DEWA. These may involve the building owner, developer, free-zone authority, municipality, fire authority, structural reviewer, or other asset stakeholders. The reviewed DEWA pages do not establish one universal list for every Dubai property. Build a project-specific authority matrix.

What changes require a return to the design record?

Any change affecting a submitted input should enter a formal review. Common triggers include:

Module or inverter substitution.
Changed module count or string length.
Revised inverter quantity or AC rating.
Moved point of connection.
Meter relocation.
Changed MDB or SMDB rating.
Cable-size, route, or length change.
Different interface-protection arrangement.
Roof layout or mounting revision.
Updated connected load or maximum demand.
Added existing generation or storage.

Use a change register with the original condition, proposed condition, reason, affected calculations, affected drawings, DEWA action, reviewer, and closure date.

Do not rely on a verbal site instruction for an approval-sensitive change. Ask the enrolled applicant whether the change needs a portal revision, technical discussion, resubmission, or other DEWA action. Preserve that decision.

What happens after installation is complete?

The consultant or contractor notifies DEWA when fieldwork is complete and the installation is ready. DEWA’s public workflow then moves through inspection, agreement, metering, and connection.

Prepare a pre-inspection package:

Approved drawing set and comment closure record.
Current equipment schedules and product evidence.
As-built SLD and layouts.
String and cable schedules.
Protection settings and test records.
Labels and signage check.
Earthing and bonding test information.
Access and equipment-clearance check.
Metering arrangement check.
Photographic record of concealed or critical work.
Connection-invoice payment status where applicable.

The service page says an inspection outcome can be approved or issued with a snag list. The applicant completes rectification and resubmits the inspection request when snags remain.

Do not use the approved design as the as-built set when field changes occurred. The final record should show the installed equipment, routes, ratings, protection, meters, and connection point.

When is a performance test report required?

DEWA’s current connection and service pages state that a successful performance test applies above the published 100 kW threshold. The service journey describes submission after inspection and connection-invoice payment for solar systems greater than 100 kW.

The two public pages use slightly different unit typography, including 100kW, 100KW, and 100KWp. The project team should confirm the live portal trigger, unit basis, report form, test method, signatory, and timing with DEWA. Do not infer those missing specifics from typography.

Plan the test during design. Identify measurement points, access, instruments, expected operating conditions, data needed, responsible party, and report route. A late test plan can expose missing sensors, inaccessible points, or incomplete settings.

If DEWA returns the report with comments, the service page says the applicant resubmits after incorporating comments or giving clarification. Preserve both versions and the response record.

What completes inspection, metering, and connection?

After the required field and document steps, DEWA coordinates the meter installation and solar connection activation. Generation should begin only after the required activation is complete.

The public Shams Dubai FAQ describes the metering concept. DEWA measures generation and import or export using the applicable arrangement. The exact project configuration must match the approved design and current DEWA direction.

The closeout file should contain:

Approved Solar NOC and design approval records.
DEWA estimate, invoice, and payment record when applicable.
Final DEWA comment and response history.
Inspection result and closed snag record.
Accepted performance-test record when applicable.
Meter and activation notice.
Signed connection record required by the service.
As-built drawings and schedules.
Equipment manuals, warranties, and operating information.
Maintenance and emergency-contact information.

Keep billing expectations outside the technical approval statement. The DEWA Shams Dubai FAQ explains how surplus credits can be applied to later bills. It does not convert modeled generation into guaranteed savings.

What causes DEWA solar design submissions to be returned?

DEWA’s public page does not publish a ranked defect list. The following are coordination risks derived from its required documents, not claimed DEWA rejection statistics:

Customer, plot, or meter data differs across attachments.
DC and AC capacity values are mislabeled.
The design assessment form uses an older layout revision.
The load schedule omits an existing board or meter.
The SLD does not show interface protection or meter relationships.
The site layout and equipment schedule use different inverter models.
String counts do not reconcile with module totals.
Cable sizes differ between calculations, SLD, and layout.
Annual production does not match the current array geometry.
An unlisted equipment model lacks the requested evidence.
A free-zone project omits its required Affection Plan.
The uploaded file is not the checked issue in the document register.

Run a page-turn review before submission. One checker should trace the system from plot and customer through modules, strings, inverters, protection, boards, meters, and point of connection.

What review matrix keeps the package consistent?

Use a single submission matrix to connect every DEWA item to its source and checker.

Submission record	Must match	Failure to prevent
Design assessment XLSX	SLD, load schedule, capacities, equipment, production	Portal data describes a different design
Load and meter schedule	Existing records, SLD, site survey	Missing board, load, or meter relationship
SLD	Equipment schedules, cables, protection, meters	Electrical topology or rating conflict
Site setting layout	Roof survey, array layout, meter and equipment locations	Unbuildable or untraceable arrangement
Production PDF	Current module count, orientation, shading, loss inputs	Energy output belongs to an older design
Installation details	Selected products, structure, access, environment	Approved concept lacks construction detail
Wiring and sizing	String schedule, cable routes, device ratings	Calculation and drawing disagree
Equipment evidence	Exact models in portal and drawings	Ineligible or inconsistent procurement
Agreement record	Customer and authorized agent	Invalid or uncontrolled acceptance

Add filename, revision, checker, issue date, portal slot, comment status, and approval reference. Freeze the uploaded set after each submission.

This matrix is the article’s main working artifact. It converts a document list into a controlled approval package.

Which approval specifics still need project confirmation?

The public DEWA pages establish the service structure and submission categories. They do not expose every technical decision needed to issue a construction package. Treat the following items as project confirmations, not gaps to fill from memory.

Current document revisions

The project file should record the current Connection Conditions, design guidelines, inspection guidance, electrical regulations, assessment workbook, and any circular that applies. DEWA’s Publications & Resources area is the official route. A saved file without its title, issue date, and check date is not a controlled reference.

Capacity calculation detail

The public process page points to an applicable share of Total Connected Load. It does not state the complete calculation on the overview page. The enrolled applicant should use the current Section 2.2 text and obtain DEWA clarification when the premises, multiple accounts, or network condition creates doubt.

Portal attachment controls

The public service page identifies PDF and XLSX formats. It does not give every live limit for filename syntax, file size, digital signature, drawing seal, revision field, or attachment slot. Check these controls within the authenticated service before the final upload.

Equipment outside the published list

The service page asks for technical details when modules, inverters, or interface protection are not on the list. It does not promise eligibility or state one universal evaluation time. Confirm the evidence, review route, and procurement hold point with DEWA.

Protection and network studies

The reviewed pages do not provide one universal trigger for every harmonic study, protection study, interface setting, network upgrade, or dedicated device. Project size, connection point, distribution conditions, and reviewer direction can change that scope.

Performance-test method

The public pages state the threshold, but they do not define the full test method in their overview text. They also vary the displayed unit between kW and kWp. Confirm the unit basis, template, measurements, witnessing, acceptance criteria, and signatory before testing.

Approval validity and major revisions

The reviewed overview pages do not establish a universal validity period for every issued approval. They also do not list every change that requires a fresh application. Ask the assigned DEWA reviewer how the current approval treats schedule delay, equipment substitution, capacity change, and connection-point revision.

Property and authority interfaces

DEWA approval does not automatically resolve structural, landlord, developer, free-zone, fire, planning, or other property approvals. The required parties depend on the site. Create a separate authority matrix and name the owner for each record.

Place these open items in a decision log with the question, source checked, person asked, response, date, affected documents, and required action. A visible unknown is controllable. An assumed answer buried in a drawing is not.

How should a design team plan the full workflow?

Use nine controlled steps.

1. Appoint the enrolled applicant

Verify the current DEWA listing and define consultant, contractor, design, portal, inspection, testing, and closeout responsibilities.

2. Build the project basis

Collect account, plot, load, meter, as-built, roof, structure, consumption, and authority information. Record missing inputs.

3. Confirm feasibility and capacity

Review usable area, shading, structure, connected load, maximum demand, equipment, and DEWA connection limits. Resolve uncertain requirements.

4. Freeze equipment and electrical topology

Select exact module, inverter, interface-protection, metering, board, and connection-point records. Check equipment-list status.

5. Develop calculations and drawings together

Coordinate the design assessment XLSX, SLD, load schedule, layout, production model, installation details, strings, cables, and protection.

6. Perform applicant QA

Use the submission matrix. The enrolled applicant checks and issues every attachment under its controlled revision.

7. Submit and answer comments

Preserve the application reference, portal status, notices, technical discussions, revised files, and response register.

8. Build under change control

Release the approved basis. Route every approval-sensitive substitution or field change through the enrolled applicant.

9. Inspect, test, meter, and close

Prepare the site, clear snags, submit the performance report when applicable, coordinate metering, obtain activation, and issue as-builts.

What does Heaven Designs’ Gulf case study prove?

Heaven Designs publishes an 11 MW DC Gulf rooftop case study. The page documents an industrial tin-shed project for a Mumbai-based solar EPC and O&M company.

The published scope includes:

An 11 MW DC rooftop system.
Structural load analysis for the tin shed.
Electrical single-line diagrams.
Cable layouts and earthing plans.
As-built drawings.
Three months of on-site consultancy.
Government-query and revision support.

The case study also states that the broader design covered five months and that the project finished ahead of its contractual deadline. These are facts presented on the existing company page.

The page does not name the Gulf country, local authority, utility, customer, permit number, approval document, or DEWA. Therefore, it must not be cited as proof of Shams Dubai submission, DEWA enrolment, DEWA approval, or first-pass DEWA acceptance.

Its defensible relevance is narrower. It shows documented Gulf-region experience coordinating a large metal-roof design package and authority responses. Browse Our Projects for the wider portfolio, while keeping each project’s stated jurisdiction and scope separate.

How can Heaven Designs support a DEWA-facing package?

Heaven Designs can support the production and coordination layer for a Dubai solar project. The DEWA-enrolled consultant or contractor should remain the applicant, local checker, and owner of the final submission.

A scoped support package can include:

Site and roof drawing development from verified inputs.
Module layout and equipment-location drawings.
Stringing and cable-layout documentation.
Single-line diagram drafting and revision control.
Load, meter, MDB, and SMDB schedule coordination.
Production-model documentation from agreed assumptions.
Structural drawing and calculation support under the defined review structure.
BOQ, as-built, and comment-response drawing updates.
A submission matrix for the enrolled applicant’s final QA.

The rooftop detailed engineering service describes relevant drawing support. A proposal should state who performs final electrical design, structural approval, DEWA portal submission, equipment eligibility, signatures, construction, testing, and authority responses.

Use the contact page to share the site, system size, roof and electrical records, DEWA applicant, required deliverables, and target submission date. Heaven Designs should not promise DEWA approval, a fixed authority response, or local enrolment.

Frequently asked questions

Can a building owner submit the DEWA solar application directly?

DEWA’s service page states that enrolled Solar Consultants and Contractors submit the Getting Solar Permits & Connections application. The owner assigns the enrolled party and can track project progress through the available channels.

Is the DEWA application free?

The current service page lists the application service as free. The process can still produce an applicable connection invoice. Systems over 400 kW may also require dedicated grid-integration equipment under DEWA’s public process note.

How long does DEWA design approval take?

DEWA’s service page listed 17 working days for Getting Solar Permits & Connections on September 26, 2026. Treat that as a published service time, not a guaranteed project schedule. Returns, missing data, revisions, payments, inspection, testing, and other approvals can affect completion.

Does DEWA require eligible modules and inverters?

DEWA maintains a regularly updated equipment list. Its service page asks for module, inverter, and interface-protection details when a product is not listed. Confirm the exact model and current path before procurement.

What drawings are central to DEWA design approval?

The public service list names the SLD, site setting layout, installation details, and wiring layout. It also requires the load and meter schedule, production details, design assessment XLSX, equipment record, and agreement acceptance.

Is a Solar NOC the same as connection activation?

No. The bundled application can deliver the Solar NOC and design approval. Inspection, snag closure, testing when applicable, meter installation, and connection activation follow later.

Is performance testing required for every project?

DEWA’s current public pages place a performance-test requirement above 100 kW. Confirm the exact unit basis, test method, form, and timing for the live application.

Can Heaven Designs submit directly to DEWA?

The public company record reviewed for this article does not establish Heaven Designs as a DEWA-enrolled consultant or contractor. Heaven Designs can support design production under a defined scope. The enrolled local party should check and submit the package.

Final DEWA submission checklist

Before the enrolled applicant uploads the package, confirm that:

The customer, plot, applicant, and account details are controlled.
Connected load, maximum demand, boards, and meters are verified.
The capacity basis follows current DEWA connection conditions.
Module, inverter, and interface-protection status is checked.
The design assessment XLSX matches every PDF.
The SLD shows the complete grid-tied topology.
Site and installation drawings use consistent equipment tags.
Stringing, cables, breakers, and protection reconcile.
Production details use the current layout and assumptions.
The free-zone Affection Plan is included when required.
The agreement acceptance record is authorized.
Filenames, revisions, issue dates, and portal slots are logged.
DEWA comments and responses remain traceable.
Procurement and construction changes follow a formal review.
Inspection, testing, metering, and activation are scheduled separately.
The final as-built and closeout package is assigned.

This guide reflects public DEWA records available on September 26, 2026. It does not replace current Connection Conditions, standards, portal instructions, DEWA correspondence, or the enrolled applicant’s project-specific review.