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100 products researched 2,422 sourced facts Verified September 2026 Methodology

Solar design & simulation · Electrical design

Single-line diagram generation in solar software

Which solar software has single-line diagram generation?

16 of the 100 products we researched carry this capability, 14 of them at the depth we code as advanced. 1 explicitly do not offer it, which is a useful fact in its own right. For 18 more we searched the vendor’s own pages and found no statement either way.

Producing the one-line electrical drawing a permit office and an inspector read: array, strings, combiners, inverters, disconnects, conductors and the point of interconnection, on one sheet.

Verified against the vendor’s own pages.

Why it matters when you’re buying

The SLD is the document that gets a permit rejected. Generating it from the design you already built removes the transcription step where the errors live, and it is often the difference between a design tool and a design tool an engineer will actually use.

8 of the 16 products that carry it publish a price you can check before contacting sales.

What vendors call it instead

Every phrase below appeared on a vendor’s own site during research and was mapped onto the single canonical capability Single-line diagram. The count is how many products used that exact wording — which is why searching for any one of them finds only a fraction of the market.

What “basic” and “advanced” mean here

Depth is coded per capability, not on a universal scale, so “advanced” means something specific to this one feature and nothing at all across features.

Basic

A diagram is produced from the design, but with a fixed template and limited or no control over components, labelling or conductor schedules.

Advanced

The diagram is editable and carries the electrical detail an AHJ expects — conductor sizing, overcurrent protection and labelling — rather than a generic illustration.

Products that offer it

Not a ranking — no product on this site is scored. Ordered by the depth we could verify, then alphabetically.

Verified at advanced depth 14

Arka 360

Arka360

Design & simulation · Web

A 3D solar design, proposal and lead-management platform, originally Indian and now selling into the US with an attached permit-plan-set and PE-stamp service arm.

Pricing USD 159 Per seat
Sept 2026

Easy PV

Midsummer

Design & simulation · Web

A UK-only, MCS-oriented solar design and sales tool that is free at the base tier and £35/month for Pro, published by a solar wholesaler — so the kit list it produces drops straight into a trade order with live pricing and next-day delivery.

Pricing GBP 0 Per seat Free tier, no time limit
Sept 2026

Enact

Enact Systems Inc.

Design & simulation · Web

A design-through-monitoring solar platform that, since acquiring PVComplete in January 2026, sells its own web design and proposal tool alongside PVComplete's AutoCAD-based engineering product and an asset-management/fleet-monitoring layer.

Pricing USD 279 Per seat
Sept 2026

HELIOS 3D

Helios 3D (a product of STÖHR+SAUER CAD- und Computersystem GmbH)

Design & simulation

German engineering software for utility-scale ground-mount PV that runs inside Autodesk Civil 3D — TIN-terrain-accurate rack and tracker placement, per-rack local grading, full electrical layout with cable and voltage-drop calculation, single-line diagrams, a yield estimate on Meteotest data, and a VR viewer — sold by quote only, with no price published in either English or German.

Pricing Not publicly disclosed Quote only
Sept 2026

HelioScope

Aurora Solar Inc. (acquired Folsom Labs, 2019)

Design & simulation · Web

Cloud commercial-and-industrial PV design and simulation tool — rooftop, carport, ground mount and storage in one project — sold per seat, with a stated accuracy target relative to PVsyst and a PVsyst export on the top tier.

Pricing USD 159 Capacity tiered Free trial
Sept 2026

OpenSolar

OpenSolar Inc.

Proposals & sales · Web

A free-to-use solar design, proposal and project-management platform funded by manufacturers, financiers, distributors and other partners rather than by the installers who use it.

Pricing Free Free Free tier, no time limit
Sept 2026

PV*SOL premium

Valentin Software GmbH

Design & simulation · Desktop

Windows desktop PV design and simulation package built around 3D shading — model the buildings, extrude them from a cadastral map, place up to 7,500 mounted modules, and get a yield forecast, a circuit diagram and a customer-facing report, for a published €845/year named-user licence.

Pricing EUR 845 Per seat Free trial
Sept 2026

PVComplete / PVCAD

PVComplete

Design & simulation

A four-product solar engineering suite — PVSketch and PVCAD for rooftop/C&I, PVSketch MEGA and PVCAD MEGA for ground mount — whose distinguishing feature is that PVCAD runs *inside* AutoCAD, so the permit drawing and the PV model are the same file.

Pricing Could not verify
Unverifiable

Pylon

Pylon

Proposals & sales · Web

An Australian solar and battery design and proposal tool sold per project on prepaid credits rather than per seat, with an optional per-user CRM bolted alongside it.

Pricing USD 4.00 Per project Limited free allowance
Sept 2026

Reslink Energy

Reslink Technologies Private Limited

Design & simulation · Web

A mobile-first 3D solar design and proposal platform for Indian EPCs that claims to take a rooftop from satellite imagery to a bill of materials and a signed-ready proposal without a site visit.

Pricing USD 2000 Capacity tiered Demo only, no trial
Sept 2026

SMA Sunny Design

SMA Solar Technology AG

Design & simulation · Web

A German inverter manufacturer's PV planning tool, free in two tiers and €600/year for a third, covering on-grid and off-grid design, 3D visual roof planning with shading analysis, profitability, and quotation output.

Pricing Could not verify
Unverifiable

SolarHub CRM

Glytrix

CRM & lead management · Web

An Australian solar CRM with design, proposals and invoicing built in, metered on a monthly token allowance rather than on seats or projects.

Pricing AUD? 0 Token metered Free tier, no time limit
Sept 2026

SurgePV

SurgePV Technologies Ltd

Publisher’s own product — never ranked

Design & simulation · Web

A browser-based solar design, shading, yield, electrical and proposal platform sold per seat on an annual subscription, aimed at installers and EPCs who want one tool instead of a CAD package plus a simulation engine plus a spreadsheet.

Pricing USD 1899 Per seat Demo only, no trial
Sept 2026

Xendee

Xendee Corporation

Storage & microgrid · Web

A modular microgrid and DER platform that co-optimises investment and operation with mixed-integer linear programming, sold as three separately priced seats — a proposal tool, a design tool, and a live controller.

Pricing USD 440 Per seat Paid trial
Sept 2026

Offered 2

Products that explicitly do not offer it

The rarest kind of fact in this dataset: a vendor stating a limit in its own words. It is not a criticism — a tool that doesn’t do this may be the right tool for a different job.

Not established

18 products make no statement either way

We searched these vendors’ own pages and found neither a claim nor a denial. That is recorded as “not found”, which is different from “not offered” — the capability may well exist and simply not be documented. We never convert silence into a no.

Where to go next

Frequently asked

Which solar software has single-line diagram generation?

16 of the 100 products we researched carry single-line diagram generation, 14 of them at the depth we code as advanced. 1 explicitly do not offer it. Verified against vendor pages on 28 September 2026.

What is single-line diagram generation in solar software?

Producing the one-line electrical drawing a permit office and an inspector read: array, strings, combiners, inverters, disconnects, conductors and the point of interconnection, on one sheet.

What else is single-line diagram generation called?

Vendors name it 6 different ways on their own sites, including “Single-line diagram”, “Electrical output (SLD, cable sizing)”, “Single-line diagram generation”, “Permit set / single-line diagram”. We normalise all of them onto one canonical capability so they can be compared.