144 articles · solar inverter solar software content from Qbits Energy.
Solar Software covers the design and proposal tools EPCs, installers, and dealers use to model solar PV projects before construction. The category includes roof modeling, shading, string layout, single-line diagrams, bills of quantities, yield estimates, financial models and proposal workflows. Software functions, prices and output quality vary by product and plan. Treat every result as a design input to check against the current module and inverter documents; no software output by itself approves a Qbits configuration.
Looking for an Archelios alternative in 2026? Six platforms compared on price, capacity bands, hourly self-consumption and proposals, starting with SurgePV.
An honest Archelios review for 2026. Published pricing from €990 to €1,990 a year, real strengths in NF C 15-712 electrical compliance, and where the suite stops fitting.
Arka360 is strong on AI-assisted residential design, so buyers who need deeper engineering, multi-country coverage, and a fuller proposal stack often compare wider. Here are the 6 best Arka360 alternatives in 2026.
An honest Arka 360 review for 2026. Real pricing in INR and USD, genuine strengths, fair limitations, and who should buy it instead of the alternatives.
Aurora Solar is quote-based and publishes no list price. Compare the 7 best Aurora Solar alternatives in 2026 and switch to SurgePV from a published $1,299/user/yr. Book a demo.
An honest Aurora Solar review for 2026. How its quote-based pricing works, what it does particularly well, where the fit gets weak, and which alternatives are worth testing.
Enact Solar is positioned around residential proposal-first workflows, so teams needing deeper engineering and multi-country scope often compare wider. Here are the 6 best Enact Solar alternatives in 2026.
An honest Enact Solar review for 2026. What it does well on homeowner-facing financing, where the engineering depth stops, and who should buy it.
Looking for an Energy Toolbase alternative? ETB Developer runs $299 to $333 per user per month. Six options compared, with SurgePV from $1,299 per user per year.
An honest Energy Toolbase review for 2026. Published pricing, why its tariff and storage dispatch modelling is genuinely strong, and where it stops.
HelioScope's published list price starts around $99 per user per month at the time of writing, and it is not positioned as a proposal tool. Compare the 6 best HelioScope alternatives in 2026. Start SurgePV from $1,299/yr.
An honest HelioScope review for 2026. How its pricing works, why engineers trust the layouts, the simulation-first scope buyers should plan around, and what else to test.
OpenSolar publishes a free core with paid extensions, so total cost depends on your add-on mix, and its simulation is aimed at residential rather than complex C&I. Compare the 6 best OpenSolar alternatives in 2026, with a SurgePV upgrade path from $1,299/yr.
An honest OpenSolar review for 2026. Why the free model is real, what it does well, where the engineering thins out, and when a growing installer outgrows it.
Looking for a Polysun alternative in 2026? Compare six platforms on price, PV depth, and whether they couple thermal, heat pumps and PV at all.
An honest Polysun review for 2026. What Vela Solaris built, why coupled PV plus thermal plus heat pump simulation matters, and who should not buy it.
PVcase is strong for utility-scale terrain modelling but locks you into enterprise pricing and a narrow workflow. Here are the 6 best PVcase alternatives in 2026 for utility, C&I, and multi-segment teams.
An honest PVcase review for 2026. What it is, why terrain-aware ground mount design is its real strength, where it stops fitting, and what to buy instead.
Enact Solar acquired PVComplete in January 2026. Compare six PVComplete alternatives on CAD output, pricing, and fit, with SurgePV from $1,299 per user per year.
An honest PVComplete review for 2026. What PVCAD and PVSketch actually do, what they cost, who the CAD-native workflow suits, and what to buy instead.
PV*SOL is a strong German simulator, and it is a Windows desktop product with single-seat licensing and a European focus. Here are the 6 best PV*SOL alternatives in 2026 for installers and engineers globally.
An honest PV*SOL review for 2026. What the licence costs, where its component depth and storage modelling genuinely lead the market, and the team size at which desktop licensing starts to hurt.
PVsyst is a Windows desktop tool whose scope stops at the yield report. Compare 6 best PVsyst alternatives in 2026. SurgePV: browser-based bankable yield from $1,299/yr.
An honest PVsyst review for 2026. What the licence costs, why lenders name it in contracts, where it genuinely leads, and the buyers it does not fit.
Pylon is an Australian-built platform positioned around fast residential proposals and CRM, with per-project pricing rather than flat seats. Here are the 6 best Pylon alternatives in 2026.
An honest Pylon solar review for 2026. Pay-per-project pricing from $4, what the platform genuinely does well, where it stops fitting, and what to buy instead.
RatedPower automates utility-scale pre-design but costs enterprise money and stops at the engineering output. Here are the 6 best RatedPower alternatives in 2026 for developers, EPCs, and IPPs.
An honest RatedPower review for 2026. What it automates for utility-scale plants, where it genuinely earns its price, and why rooftop installers are in the wrong category.
Scanifly's workflow is built around drone capture and quote-based, volume-linked pricing. Compare the 6 best Scanifly alternatives in 2026, and test SurgePV's AI 3D from satellite on your own roofs.
An honest Scanifly review for 2026. What it actually is, why it is not a straight Aurora competitor, where drone capture earns its cost, and where it does not.
The best solar design software Australia installers need ships AS/NZS 5033, AS 4777.2, STC deeming and DNSP export limits. Seven tools compared for 2026.
The best solar design software Canada installers need handles CSA C22.1 Section 64, ten provincial net metering frameworks, and cUL certification. Seven tools compared.
Chile runs from the Atacama to Patagonia, and net billing pays only the pure energy price. One national assumption cannot design across 4,000 kilometres. Six tools compared.
Since 5 June 2026 surplus sells at 1.1 centimes and the autoconsommation bonus is gone. French design is now entirely about self-consumption. Six tools compared.
The best solar design software Germany installers need ships VDE-AR-N 4105 checks, EEG tariffs and the Solarspitzengesetz rule. Seven tools compared for 2026.
The best solar design software India installers need ships IS codes, the ALMM database, PM Surya Ghar subsidy slabs and INR pricing. Seven tools compared for 2026.
The best solar design software Ireland installers need handles NC6 and NC7 thresholds, SEAI grant tapering and a Clean Export Guarantee that varies two-fold by supplier.
Scambio sul Posto closed to new systems in May 2025. The best solar design software Italy installers need models Ritiro Dedicato and self-consumption. Six tools compared.
The best solar design software Malaysia installers need respects the NEM 3.0 quota, the 12 kWp domestic cap, and PE-stamped SLD requirements. Six tools compared.
Salderingsregeling ends 1 January 2027. The best solar design software Netherlands installers need models self-consumption hourly, not annual netting. Six tools compared.
Since July 2026 the big four retailers must offer time-varying export rates, and the peaks fall after dark. New Zealand solar is now a battery arbitrage problem. Six tools compared.
The best solar design software Philippines installers need models the blended generation rate, the new 1 MW cap, and PEC compliance. Six tools compared for 2026.
Net billing pays RCEm for exports and charges retail for imports. Polish design is now a self-consumption optimisation, and Mój Prąd is structured to say so. Six tools compared.
Exports earn 5 halalas while commercial imports reach 32. Saudi systems are sized to the load curve, not the roof, and dust rewrites the yield model. Six tools compared.
The best solar design software Singapore installers need models the SCT and ECIS export schemes, the 1 MWac licensing threshold, and SS 638. Six tools compared.
The best solar design software South Africa installers need handles NRS 097-2-1, SSEG registration, 10 kVA inverter limits and Section 12B. Six tools compared.
Spanish surplus credits settle monthly, never roll over, and can never take the energy bill below zero. That caps oversizing in a way annual modelling cannot see. Six tools compared.
The best solar design software UAE installers need handles DEWA Shams Dubai, ADDC netting, EtihadWE credit expiry and ECAS certification. Six tools compared.
The best solar design software UK installers need ships BS 7671 checks, G98 and G99 routing, MCS filtering and SEG modelling. Seven tools compared for 2026.
The best solar design software USA installers need ships an NEC code library, the 30% ITC with bonus adders, state SRECs, and NEM 3.0 modelling. Seven tools compared.
The Solar Labs is no longer sold under that name. The product is now ARKA 360. What changed, verified India pricing, and whether it still fits your team.
Solar Ladder is positioned around residential proposal-led sales in India, so buyers who need engineering depth, bankable simulation, and C&I scope often look wider. Here are the 6 best Solar Ladder alternatives in 2026.
An honest Solar Ladder review for 2026. What it is, what it does well for Indian EPCs, where it stops, and why many teams run it alongside a design platform.
The best solar proposal software Australia installers need models STC deeming, state feed-in tariffs, and export limits correctly. Seven tools compared.
The best solar proposal software Canada installers need models ten provincial net metering frameworks and the Clean Technology ITC. Six tools compared for 2026.
Chilean credits are paid at the pure energy price but never expire. That combination rewards a different proposal from any other net billing market. Six tools compared.
The prime is gone and surplus sells at 1.1 centimes. Any French proposal still showing bonus and buyback revenue is quoting a scheme that closed in June. Six tools compared.
The best solar proposal software Germany installers need models the 2026 Einspeisevergütung, the Solarspitzengesetz negative-price rule, and the 60% feed-in cap.
The best solar proposal software India installers need auto-calculates the ₹78,000 PM Surya Ghar subsidy, checks ALMM, and quotes in INR. Seven tools compared.
Clean Export Guarantee rates run from 15.2 to 32 cents depending on supplier, and the SEAI grant tapers by kWp band. An Irish proposal that averages either is wrong. Six tools compared.
Scambio sul Posto closed to new systems in May 2025. Any Italian proposal still modelling net metering is quoting a scheme the customer cannot join. Six tools compared.
The best solar proposal software Malaysia installers need quotes inside the NEM 3.0 caps, models GITA, and sets a realistic 4 to 6 month timeline. Six tools compared.
Salderingsregeling ends 1 January 2027. The best solar proposal software Netherlands installers need shows both scenarios and the battery case. Six tools compared.
Buyback rates run from 5 cents to 40 cents depending on retailer, plan and hour. A New Zealand quote with one export number is guessing. Six tools compared.
The best solar proposal software Philippines installers need prices export at the blended generation rate, not retail. Six tools compared for 2026.
RCEm moved 40 percent in a single month. A Polish proposal quoting one export rate as fact is quoting a number that will be wrong by the time it is signed. Six tools compared.
A Saudi proposal that quotes generation instead of displaced consumption is answering the wrong question. Exports earn 5 halalas; the tariff tier decides everything. Six tools compared.
The best solar proposal software Singapore installers need presents SCT against ECIS honestly and flags the 1 MWac licensing threshold. Six tools compared.
The best solar proposal software South Africa installers need sells backup hours alongside payback, and models Section 12B correctly. Six tools compared.
A Spanish quote promising a zero bill is promising something the rules forbid. Compensación simplificada cannot take the energy component below zero. Six tools compared.
The best solar proposal software UAE installers need models DEWA slab-rate credits, ADDC subsidised tariffs and EtihadWE credit expiry. Six tools compared.
The best solar proposal software UK installers need models SEG export, MCS certification, and 0% VAT correctly. Seven tools compared for 2026.
The best solar proposal software for US installers models NEM 3.0 self-consumption, current federal credit rules, and SRECs in one document. Seven tools compared for 2026.
Falling export prices turned Australian solar into a self-consumption business. Any stack that still optimises for annual kWh is measuring the wrong thing.
Canada is ten net metering regimes and a certification rule that voids international equipment. Software that treats it as one country will be wrong in nine provinces.
Chile runs 4,000 kilometres from the Atacama to Patagonia. A national weather file is not an approximation here, it is a mistake in almost every location.
The prime is gone and surplus sells at 1.1 centimes. French software bought before June 2026 is now modelling two revenue lines that no longer exist.
German solar software is still mostly desktop, mostly named-user, and mostly built around local project files. That made sense once. It does not scale a team.
Most Indian solar businesses run six kinds of software and pay for nine. This is what the stack actually needs to cover, what is India-specific, and where the money leaks.
Two Irish numbers resist averaging: a grant that tapers by kWp band and an export rate that varies twofold by supplier. Most tools average both.
Scambio sul Posto closed in May 2025 and most Italian quoting software still models it. That is not a feature gap, it is a wrong answer.
NEM 3.0 is quota-based. No SEDA approval means no bi-directional meter and no legal export, whatever your design says. That belongs in the tool, not the sales pitch.
Salderingsregeling ends on 1 January 2027. Every Dutch quoting tool built on annual netting becomes wrong on that date, and most have not been rebuilt.
Since July 2026 the big four must offer time-varying export, and the peaks fall after dark. A tool holding one buyback rate cannot describe the market any more.
An April 2026 DOE circular lifted the non-residential cap from 100 kW to 1 MW. Most quoting tools in the market are still enforcing the old ceiling.
RCEm moved 40 percent in one month. Polish software that treats the export rate as a constant is building quotes on a number that will not hold.
Exports earn 5 halalas, commercial imports reach 32. A stack that optimises for generation instead of displaced consumption is solving the wrong problem.
SCT pays a fixed rate, ECIS pays the volatile wholesale price. Choosing between them is a modelling decision, and most tools cannot even represent the second one.
Single-phase residential is capped near 10 kVA and three-phase near 25 kVA. A design tool that does not enforce that at layout stage is building rework.
Spanish credits settle monthly, never roll over, and cannot take the bill below zero. Software that models the year instead of the month will oversize every system.
Four utilities, four different credit rules, and a residential tariff spread of four to one. A UAE stack configured for one emirate will mislead in the others.
MCS certification shapes the UK software stack more than any tariff does. If your tools cannot produce MCS-ready output, you are doing that work twice.
US solar teams pay more for software per install than almost anywhere else, and most of it goes to seats nobody uses. Here is what the stack needs and what it should cost.
SolarEdge Designer is free and good. If you quote across manufacturers you still need a neutral tool. Six SolarEdge Designer alternatives compared for 2026.
An honest SolarEdge Designer review for 2026. Why it costs nothing, what it does genuinely well, where the single-vendor scope stops, and what to use instead.
Solargraf is fast for residential proposals. If you need deeper engineering, manufacturer-independent design, or multi-country support, here are the 6 best Solargraf alternatives in 2026.
An honest Solargraf review for 2026. Published pricing from $2,799 a year, real strengths in residential quoting, the limitations to test, and who should buy it.
Looking for a Solarius PV alternative in 2026? Six platforms compared on BIM and CAD interoperability, hourly self-consumption, proposals, and price.
An honest Solarius PV review for 2026. What ACCA's photovoltaic suite does well, what it costs, where it stops fitting, and the alternatives worth testing.
Looking for a Sunbase alternative in 2026? Six options compared for solar CRM and design, with SurgePV from $1,299 per user per year. Pick the right layer first.
An honest Sunbase Data review for 2026. What it is, what it costs, where it is strong, and why comparing it to Aurora or PVsyst is the wrong test.
At Canadian latitudes the December sun sits under 20 degrees, so shadows run three times longer than in June. Shading analysis software has to model winter, not annual averages.
More than half of Ireland's annual irradiance arrives as diffuse light, so a shading model built on direct beam geometry overstates the loss. Irish shading analysis needs a sky model, not a shadow diagram.
Under net billing an exported kilowatt-hour is worth a fraction of an imported one, so in Poland the question is not how much shading costs but which hours it hits. That changes the tool you need.
Exported power is credited at 5 halalas per kWh while commercial imports run to 32. In Saudi Arabia a shadow that hits self-consumption costs six times one that hits surplus, and dust changes the arithmetic again.
In Singapore the shading obstruction is usually a neighbouring tower, not a chimney. Shading analysis software has to model the skyline, not just the roof.
Almost every UAE roof is flat with a tall parapet, and almost every array on it is self-shading. The obstruction is usually the building itself, and dust turns a shading problem into a compound one.
3D solar design software produces the site model that drives shading, layout, and proposal visuals. Here is how the major tools stack up on accuracy, speed, and total cost of ownership.
Agrivoltaic design software lets you co-locate PV with crops. SurgePV ships agrivoltaic templates with 8,760-hour shading on every paid plan from $1,299/seat.
AI solar design lets you draft a complete layout from natural language in seconds. Here is how Clara AI in SurgePV compares with Aurora AI Mode and other AI design tools.
AI solar design software went from gimmick to daily driver in 2026. Natural-language design, AI 3D roof modeling, and shading optimisation now happen in seconds. Here is what works, what does not, and which tools lead.
Aurora Solar does not publish list pricing, and figures reported by buying teams sit well above flat-priced platforms. Here is how Aurora's plan and add-on structure works, the extras to ask about, and how SurgePV delivers the same outputs for far less per seat.
Aurora vs HelioScope is the classic US solar design software debate. Aurora wins on residential, HelioScope wins on engineering. Here is the honest comparison and the option neither user usually considers.
Aurora is tracked at roughly $159 to $259 per user per month by third parties, since it does not publish list pricing. OpenSolar leads with a free tier. Both have ceilings. Here is the honest Aurora vs OpenSolar comparison and the option both users should consider.
The best solar design software depends on your segment. 13 tools compared on simulation depth, proposal speed, verified 2026 pricing and India fit.
Cloud solar design software runs in the browser, opens on any device, and lets teams collaborate in real time. Here is why cloud-first beat desktop tools, and which platforms lead in 2026.
Commercial solar design software needs bankable simulation, financial modelling, and AutoCAD export to close C&I deals. Here are the 6 best tools in 2026 ranked by total cost and scope.
Floating solar (floatovoltaics) design software handles the platform geometry, water-cooling effects, and bankable yield for reservoir-mounted PV. Here is the 2026 guide.
Free solar design software sounds great until you hit project caps, hardware add-ons, or missing simulation depth. Here is what is genuinely free in 2026, what catches lurk, and when SurgePV's flat-priced plan is the better deal.
HelioScope costs $99 to $300+ per user per month at published rates, is positioned as a simulation tool rather than a proposal tool, and places module-level shading on its higher tiers. Here is the full HelioScope pricing breakdown and how SurgePV delivers the same simulation for 35 to 60 percent less.
HelioScope vs PVsyst is the engineering team's classic decision. PVsyst owns lender acceptance, HelioScope owns browser workflow. Here is the honest comparison and the browser-based bankable option both engineers should consider.
An online solar design tool lets you design a system in the browser without installs. Here are the 7 online solar design software options worth evaluating in 2026, ranked by feature scope, accuracy, and total cost.
OpenSolar starts free, and OpenSolar describes its model as free to installers funded through partner and marketplace relationships. Here is how the total cost stacks up at C&I and how the flat-priced SurgePV alternative compares.
Photovoltaic design software covers the engineer-side toolchain from 3D modelling to bankable yield to single-line diagrams. Here is the 2026 ranking, methodology, and how SurgePV leads.
PV yield simulation software turns a layout into a bankable yield report lenders accept. Here is the 8,760-hour module-level methodology, the P50 P75 P90 framework, and which tools ship it.
PVsyst costs roughly €500 per user per year for the Standard licence, but you also need Windows, a separate proposal tool, and a financial model. Here is the full PVsyst price breakdown and the cheaper browser-based alternative.
Residential solar design software compared on roof capture, shading, proposal speed and PM Surya Ghar math, with verified 2026 vendor pricing.
Satellite roof measurement now reaches LIDAR-grade accuracy from high-resolution imagery, with no drone or site visit. Here is how it works, the accuracy benchmarks, and which platforms ship it well.
Scanifly does not publish list pricing, and a volume-based measurement model plus drone operating cost scales with every project you win. Here is how to model the real cost, and the flat-priced satellite-based alternative.
Solar bid software should produce a bankable proposal in under 20 minutes. Here is how SurgePV ships fast layout, yield, finance, and branded output.
Solar BOQ software auto-generates the bill of quantities the procurement team needs to order modules, inverters, mounting, and BOS. Here is how auto-BOQ works in 2026.
Solar carport design software handles the structural, electrical, and yield design for parking-lot canopies. Here is how to do it right and which tools ship the workflow.
Compare the 7 best solar design software platforms in 2026 (free to $300/mo). See why SurgePV is the all-in-one pick from $1,299/user/yr. Book a free demo.
Solar design software pricing ranges from free to several hundred dollars per user per month, and several vendors publish no list price at all. Here is what each tool actually charges or quotes, what is gated behind upper tiers, and the real total cost of ownership for teams of 1, 3, and 5 seats.
Solar financial modeling software turns yield into cashflow, IRR, and NPV that closes the deal. Here are the tools that ship multi-country tariffs and how SurgePV consolidates the stack.
How installers use solar permit design software to produce AHJ-ready SLDs, layouts, and BOQs in-house instead of outsourcing every permit pack.
Solar plus storage design software optimises battery and PV jointly for self-consumption, peak shaving, and resilience. Here are the 5 tools that ship hybrid optimisation in 2026.
The best solar proposal software ships branded, interactive, e-signed proposals in 5 minutes. Compare the 7 top tools of 2026. SurgePV from $1,299/user/yr.
Solar shading analysis software runs the hourly simulation that turns a layout into a bankable yield report. Here is how 8,760-hour module-level shading works, why it matters, and which tools ship it on every plan.
Solar simulation software computes hourly yield from a layout. The bankable standard is 8,760-hour module-level. Here are the 5 tools that ship it and how they compare on price and workflow.
Solar single line diagram software auto-generates the SLD that AHJs, lenders, and installers depend on. Here is what auto-SLD ships in 2026 and which tools do it well.
Solar string sizing software bounds the panel string length to the inverter's MPPT window across temperature extremes. Here is how to do it right and which tools automate it across 12,000+ inverter models.
Solar takeoff software pulls quantities straight from the design canvas. Compare SurgePV, Aurora, HelioScope, and OpenSolar on auto-takeoff and export.
Utility-scale solar design software compared for terrain, trackers, DC/AC ratio and bankable P90 yield. Written for developers and EPCs above 30 MW.
