Solar workflow depth
Can the product carry system details, proposal status, project milestones, and the delivery handoff without rebuilding the process in custom fields?
Quickest Solar CRM is our first pick for a small Zambian installer whose immediate problem is slow quoting and follow up that nobody owns. That placement uses a disclosed proposal-first adoption lens and still requires a Zambia proof step. OpenSolar is the clearest free design-first option, Pylon pairs design with an optional CRM, and Sunbase publishes wider solar operations. We compared seven tools against ZMW documents, adviser-approved VAT, the Smart Invoice route, ERB embedded generation and inverter standards, ZESCO stages, mobile money collection, offline field work, commissioning and handover.
Direct answer
Choose Quickest when proposal speed, lead ownership, field adoption and a free pilot are the first priorities. QuickEstimate owns Quickest and its published evidence is India-first, so Zambian currency, VAT, Smart Invoice handoff, ERB and ZESCO stages, mobile money, hosting and support all stay unverified until a demo proves them. OpenSolar is better when free solar design leads the purchase. Pylon and Sunbase deserve tests for deeper design or multi-team operations. Zoho, Odoo and HubSpot fit teams willing to configure a general platform and connect specialist design, tax, payment and field systems around it.
7 jobs, 7 picks
A useful shortlist starts with the sales or delivery bottleneck. Each winner below reflects a different buying priority, while the overall ranking rewards a CRM that a solar sales team can adopt quickly.
Small mobile sales teams
Free: 1 user and 10 proposals monthly. Pro: INR 6,999 per user yearly, minimum 3 users. 02Best free design-first optionOpenSolarStartups combining solar design, proposals and project CRM
OpenSolar says partners fund the model; review services and connected costs. 03Best compact design and CRM trialPylonTeams wanting solar and battery proposals with optional CRM
New users receive five Standard Project credits; confirm Zambia commercial terms. 04Best broad solar operations candidateSunbaseEstablished teams evaluating a wider solar sales and project platform
Request Zambia users, modules, implementation, integrations, support and renewal pricing. 05Best configurable general CRMZoho CRMTeams with an administrator and several sales or service lines
The reviewed global page publishes USD prices and adds local taxes. 06Best configurable operations suiteOdooBusinesses joining CRM with sales, inventory, field service and accounting
Confirm current plan, apps, users, hosting, implementation, localisation and customisation. 07Best for marketing-led acquisitionHubSpot CRMTeams prioritising forms, email, meetings and pipeline
Official page states up to 2 free users and 1,000 contacts; price all required hubs.How we evaluated
We saved English search attempts across Google, Bing, DuckDuckGo, Brave and Mojeek, then traced one record from a web form or WhatsApp enquiry through site visit, load assessment, quotation, deposit, design, licensed electrical work, the embedded generation or connection route, procurement, installation, metering, commissioning, invoicing, handover and service. Ranking rewards focused sales adoption first, then solar design, operational breadth, field usability, finance fit and configurable CRM depth. Zambia facts come from the Energy Regulation Board, ZESCO, the Zambia Revenue Authority, the Competition and Consumer Protection Commission, the Compulsory Standards Agency, ZICTA and the Rural Electrification Authority. Product descriptions come from official vendor pages and remain vendor claims. Published prices keep the currency the vendor shows.
Can the product carry system details, proposal status, project milestones, and the delivery handoff without rebuilding the process in custom fields?
Can managers route leads, track activity, automate follow-up, forecast revenue, and see why an opportunity stalled?
Can a rep move from site information to a credible customer proposal, and how much specialist solar design happens inside the platform?
Does the workflow support the language, currency, tax, communications, documents, and handoffs common in Zambia?
What setup, migration, training, administration, and extra software does the apparent subscription require?
At-a-glance matrix
The table separates CRM depth from proposal, design, and operations coverage. Confirm plan limits and country availability in writing before signing.
Local billing check: confirm ZMW pricing, tax treatment, contract currency, and payment fees in writing.
| Platform | Best for | Public price | Solar proposals | Design | Project operations | CRM depth | Free access |
|---|---|---|---|---|---|---|---|
| 1Quickest Solar CRM | Small mobile sales teams | Free plan; Pro in INR | Focused branded proposals | Zambia inputs unverified | Lead stages and follow up | Focused solar sales CRM | 1 user, 10 proposals monthly |
| 2OpenSolar | Startups combining solar design, proposals and project CRM | Free core platform | Interactive and PDF proposals | Native solar and storage design | Project CRM, tasks, schedules and files | Solar project CRM | Core platform described as free |
| 3Pylon | Teams wanting solar and battery proposals with optional CRM | Dollar pricing shown; confirm currency | Web and PDF proposals | Solar and battery design | Optional solar CRM and integrations | Solar CRM available | Five Standard Project credits |
| 4Sunbase | Established teams evaluating a wider solar sales and project platform | Quote required | Solar proposal capabilities published | Connect or verify design scope | Sales and operational solar workflows | Broad solar CRM | Request demo and trial terms |
| 5Zoho CRM | Teams with an administrator and several sales or service lines | Free for 3 users; paid USD tiers | Configure CPQ or connect a proposal tool | Specialist solar tool required | Custom modules, workflow, reports, portals and APIs | Broad general CRM | Free edition for 3 users |
| 6Odoo | Businesses joining CRM with sales, inventory, field service and accounting | One app free; paid plans published | Sales quotations and signatures | Specialist solar design required | CRM, sales, inventory, accounting, field service and more | General CRM within modular ERP | One app free plan stated |
| 7HubSpot CRM | Teams prioritising forms, email, meetings and pipeline | Free CRM; paid hubs available | Connect or configure proposal software | Specialist solar tool required | Paid sales and service expansion | Broad customer platform | Up to 2 users and 1,000 contacts |
Pricing and capability labels were checked against official sources on Sep 7, 2026. Currency conversion is intentionally omitted where a vendor does not publish a local price.
Country research
Zambian demand has been reshaped by supply constraints, which pushes households and businesses toward backup and hybrid systems rather than pure export economics. That changes what a CRM must record. Battery sizing depends on the customer's actual outage pattern, not on a generic yield model. Embedded generation carries regulatory conditions that the sales team rarely reads. Payments arrive through mobile money and bank transfer in unpredictable combinations. And a compliant invoice now runs through a fiscal system rather than out of a proposal tool, so the sale is not finished when the PDF is signed.
The Energy Regulation Board regulates the Zambian energy sector and publishes renewable energy material. Licensing, permits and conditions belong in the customer record as stored fields with dates rather than as sales adjectives. Capture the licence or permit class, the holder, the number, the validity, the scope, the renewal date and the evidence document for your own business and for every subcontractor, then block technical sign-off when the required entry is missing or has expired.
Energy Regulation Board Zambia: Renewable energy regulation ↗ERB has published a standard governing inverter systems for embedded generation. That makes the inverter a compliance object, not just a line on a quotation. Store the inverter make and model, the certification claimed, the standard referenced, the capacity, the connection point, the protection settings, the commissioning test, the responsible engineer and the approval evidence. Confirm the current requirement for the specific installation rather than reusing wording from a proposal written last year.
Energy Regulation Board Zambia: Standard governing inverter systems for embedded generation ↗ERB runs a consumer affairs and complaints route for energy customers. A dispute about a delayed connection, a metering problem or an unmet saving promise arrives with dates that the installer has to match from its own record. Preserve the advertisement, the lead source, the quotation, the scope, the exclusions, the saving assumptions, the payment terms, the named technical owner, the complaint, the response, the escalation and the closure in one retrievable timeline.
Energy Regulation Board Zambia: Consumer affairs and complaints ↗ZESCO is the national utility and the counterparty for most grid connection, metering and embedded generation work. Store the customer account, the tariff category taken from the actual bill, the meter type, the supply phase, the requested capacity, the application route, the reference, the inspection, the fees, the meter change, the appointment, the activation and the completion evidence. A pipeline stage called grid approved without a reference number and a date is not evidence of anything.
ZESCO Limited: ZESCO Limited ↗The Zambia Revenue Authority operates Smart Invoice for electronic invoicing. A CRM can hand an approved transaction to the configured tax or accounting route, but a branded PDF is not proof of fiscal reporting. Test taxpayer and customer identifiers, item mapping, VAT calculation, invoice and receipt references, credit and debit notes, failed transmission, duplicate prevention, downtime recovery, stock and accounting reconciliation, permissions, retention and export before month end depends on it.
Zambia Revenue Authority: Smart Invoice ↗The Revenue Authority publishes tax information covering VAT and the other taxes a solar business meets. A Zambian solar sale can mix imported equipment, local supply, design, installation, batteries, transport, civil work, maintenance and finance. Configure tax per line, show whether displayed prices include or exclude VAT, retain the tax source and effective date, and have a Zambian adviser approve deposits, staged invoices, variations, credit notes, imports, withholding and invoice wording for the actual transaction.
Zambia Revenue Authority: Tax information ↗The Competition and Consumer Protection Commission oversees consumer protection and trade practices in Zambia. Advertising claims about savings, payback and outage coverage sit within its remit, so the CRM should store the exact wording used with a customer, the date, the person who sent it and the assumptions behind any number. Keep the approved template version rather than allowing each salesperson to compose a saving promise in a chat message.
Competition and Consumer Protection Commission: Competition and Consumer Protection Commission ↗The Zambia Compulsory Standards Agency administers compulsory standards for goods placed on the Zambian market. Equipment evidence therefore belongs in the customer record, not only in a supplier folder. Capture module and inverter models, certificates, batch or serial numbers, import documents, the technician who fitted them, test results and warranty terms so a claim three years later can be answered from the record instead of reconstructed from an invoice.
Zambia Compulsory Standards Agency: Zambia Compulsory Standards Agency ↗ZICTA is Zambia's information and communications technology authority, and data protection duties in Zambia sit alongside its remit. Solar records hold identity documents, addresses, GPS coordinates, electricity bills, household consumption patterns, photographs, mobile money references, finance notes, signatures and message history. Review controller and processor roles, registration duties, purposes, notices, security, transfers, subprocessors, retention, deletion, breach handling and a complete export, and take local advice on the current position.
ZICTA: Zambia Information and Communications Technology Authority ↗Full reviews
Each review explains the useful workflow, the buyer who should shortlist it, and the country-specific question that a sales demo must answer.
Quickest is first for a narrow mobile sales adoption goal, conditional on passing every Zambian finance, regulatory, field and data test.
Quickest centres the work a small team usually has to fix first: capture the enquiry, assign an owner, produce a branded proposal quickly and make the next follow up visible. A limited free plan allows an adoption pilot before a larger migration. QuickEstimate owns Quickest and publishes this ranking, so the position depends on the disclosed method rather than on independent market recognition.
No public evidence verifies ZMW quoting, Zambian VAT, Smart Invoice transmission, ERB embedded generation fields, ZESCO stages, mobile money, local support hours, offline installation capture, commissioning or the handover pack. Use real opportunities and failure scenarios in the pilot, including a failed fiscal transmission and an inverter change after approval. Require contract currency, data location, subprocessors, response hours, integration scope, export, cancellation and renewal terms in writing.
Choose it if: proposal speed and follow up are the first bottlenecks and the Zambia acceptance test succeeds. Choose another platform if: verified local finance, design depth or complete field operations are required immediately.
OpenSolar is the strongest free design-first route for Zambia, subject to local modelling, tax, field and partner checks.
OpenSolar publishes design, proposals, table and Kanban project views, custom workflows, actions, schedules, documents, roles, permissions and an API. That gives a young installer a substantial design-to-sale test without a core licence fee. Storage design matters more than usual in Zambia, so test the battery and autonomy modelling carefully rather than judging the product on its rooftop layout tools alone.
Validate Zambian imagery, irradiance, load and battery sizing, equipment libraries, hybrid and backup scenarios, ZMW display, VAT, field connectivity and document output. Change a design after acceptance and trace price, stock, tax, payment, technical evidence and handover. Review privacy terms, overseas transfers, support coverage, partner presentation, paid services and whether a complete account export is genuinely available.
Choose it if: design and customer-facing proposals lead the purchase and a free core product is attractive. Choose another platform if: the business needs proven local payments, tax, inventory and field delivery in one suite.
Pylon supports a compact design and CRM evaluation, with billing currency and Zambia operation still unverified.
Pylon documents solar and battery design, web and PDF proposals, design history, integrations and a solar CRM add-on. It says new users receive credits for five Standard Projects and teams can add unlimited users. That supports a practical test involving sales, design and management before the buyer assumes the product will replace a spreadsheet and a chat group.
Confirm the dollar currency, project rules, CRM cost, payment fees, taxes and renewal. Test Zambian locations, weather and production inputs, critical loads, autonomy targets, battery chemistry, ZMW display, mobile money, offline use, roles and support. Review data processing and export. Model several design revisions, because credit economics and version control both matter when an outage assumption changes the battery twice before signature.
Choose it if: the team wants to trial solar design, proposals and CRM together. Choose another platform if: local accounting, inventory and service dominate the requirement list.
Sunbase publishes broad solar CRM scope, but a Zambian buyer needs direct product, price, integration and support proof.
Sunbase positions its CRM around solar lead management, sales, communication, proposals, workflow and operational visibility. That makes it relevant to a company whose needs have moved beyond design into several teams and handoffs across distant sites. Public product language should not be treated as evidence that Zambian tax, embedded generation, payment or privacy paths are ready to use.
Ask for Zambian customer references and use a controlled demo from WhatsApp lead through load survey, proposal, mobile money deposit, Smart Invoice, procurement, licensed work, installation, commissioning and service. Verify ZMW handling, integrations, offline behaviour, roles, audit history, privacy terms, storage, support hours, the implementation owner, the module list, the contract price, data export and how changes propagate after acceptance.
Choose it if: a growing installer wants a broad solar platform and the vendor can prove Zambia fit. Choose another platform if: a free design tool or a simpler proposal CRM meets the immediate need.
Zoho gives a capable administrator flexibility, while Zambian solar, tax, payment and field processes must be designed around it.
Zoho CRM offers configurable modules, fields, pipelines, workflow, reports, mobile apps, portals and APIs. Its free edition supports three users, which can help a process owner prototype residential hybrid, commercial, dealer and service records. The wider Zoho suite may reduce vendor count, but every application and integration adds ownership, permissions, pricing and maintenance questions.
Build or connect load assessment, solar design, ZMW proposals, VAT, Smart Invoice, mobile money, inventory, ERB and ZESCO stages, commissioning, assets, warranty and handover. Test mobile offline needs, WhatsApp history, processor terms, transfers, retention, API limits, support, a complete export and the administrator effort required after launch rather than during the demo.
Choose it if: the company has an administrator and wants a flexible shared commercial system. Choose another platform if: the team expects ready-made Zambian solar workflows with little configuration.
Odoo can model a larger operating system, but Zambian success depends on localisation, implementation quality and governance.
Odoo combines CRM with quotations, sales, accounting, purchasing, inventory, projects, field service, helpdesk and other applications. That can suit a solar company that must connect a sold bill of materials with buying, stock, technician work, invoice and installed asset. Its modular design also creates a clear warning: edition, hosting, partner work, custom code and maintenance determine real cost and reliability.
Verify a current Zambian localisation and the Smart Invoice route with the responsible implementation partner. Test ZMW, VAT, mobile money transactions, serial numbers, offline work, approvals, ERB and ZESCO evidence, warranty and migration. Connect a specialist design tool and define which system owns equipment and price. Review privacy roles, hosting, subprocessors, backups, upgrades, custom code support, exit and a restorable export.
Choose it if: operations, stock, finance, field service and CRM should share a configurable suite. Choose another platform if: the business wants a solar-specific proposal product with minimal implementation.
HubSpot is a useful lead and marketing layer, but the Zambian solar operating stack around it can be extensive.
HubSpot's free CRM covers contacts, lead management, forms, email, meetings and pipeline for a small user group. It can give a marketing-led installer a consistent record from campaign response to sales activity. Paid marketing, sales, service, content and data products expand that record, but contact tiers, seats, onboarding and multiple hubs can change the commercial comparison quickly.
Price and test the complete Zambian stack: WhatsApp, solar design, ZMW quotation, VAT, Smart Invoice, mobile money, inventory, field delivery, service and reporting. Use controlled fields for the tariff category, the ZESCO reference, the inverter certification, the responsible engineer, equipment, commissioning and warranty. Review consent, imports, suppression, processor terms, transfers, API limits, attachment storage, support, integration failures and export.
Choose it if: marketing and lead management are the first priorities and the business can govern integrations. Choose another platform if: the installer wants design, payments, inventory and field work closer to one record.
Buyer guide
Choose by the most expensive broken handoff, then test that handoff using real opportunities, real users, and the documents your customers actually receive.
Start with Quickest when slow quoting and unowned follow up are the visible failures. Use the free plan on real Zambian opportunities, including one outage-driven residential hybrid and one commercial rooftop. Continue only if the vendor proves ZMW, VAT, Smart Invoice, ERB and ZESCO evidence, mobile money, field work, privacy, support and export in the buyer's own script and contract.
OpenSolar fits a team that needs solar design, proposals and project CRM before it can fund a wider stack. Validate Zambian imagery, irradiance inputs, equipment libraries, hybrid and battery cases, ZMW display, VAT, connection stages, data terms, mobile performance, the partner-funded model and support coverage before the free product decides the architecture.
Pylon is worth testing when web and PDF proposals, solar and battery design and an optional solar CRM all appeal. Confirm the displayed currency, Zambian model inputs, battery and autonomy modelling, project credit economics across several revisions, mobile use, tax and payment connections, permissions, support hours and the evidence produced at handover.
Sunbase targets broader solar sales and operational workflows, which suits a business running crews across Lusaka, the Copperbelt and rural districts. Ask for Zambian customer proof and run the same tariff, embedded generation, tax, mobile money, offline, privacy, commissioning and export tests. Request current pricing for the actual module set.
A configurable platform can model agents, dealers, repayment schedules, devices, stock, service and several business lines together. That flexibility needs an administrator, a specialist solar design tool, a secure payment integration, approved control rules and disciplined data ownership. Odoo is stronger for operational modules; Zoho is the more familiar CRM route.
HubSpot fits a business whose first priority is forms, campaigns, email, meetings and pipeline visibility. Budget the solar design, Smart Invoice, accounting, mobile money, project, inventory, service and governance tools around it, and test total cost as contacts, seats and hubs grow rather than pricing only the free tier.
Run the same three opportunities in every shortlisted CRM: one ordinary lead, one revision-heavy project, and one deal that already failed. This removes demo theatre and exposes repeated entry, stale documents, weak mobile adoption, and missing local support.
Capture a real lead, assign it, create the proposal, schedule follow-up, record acceptance, and hand it to delivery.
Change the system, equipment, price, payment route, and installation date. Identify every stale record.
Use a duplicate, missed follow-up, rejected proposal, or delayed job and ask the CRM to show what happens next.
Produce an ordinary taxable sale, a mixed supply of equipment and services, a deposit, a staged invoice, a variation, a credit note, a refund, a discount and a warranty replacement in ZMW. Check inclusive and exclusive display, rounding, taxpayer identification, permissions and the signed revision. Let the accountant decide classification, and confirm how the vendor bills its own subscription, including currency, VAT, withholding, bank charges and exchange treatment.
Follow an accepted quotation into the real Smart Invoice route. Verify item and customer mapping, invoice sequence, system references, VAT calculation, credit and debit notes, transmission status, duplicate protection, downtime recovery, stock effects, journal entries and audit export. Ask which system is authoritative and who fixes errors. Do not accept a PDF sample as proof of compliant electronic invoicing.
Store the inverter make and model, the certification claimed, the standard referenced, the capacity, the connection point, the protection settings, the commissioning test, the responsible engineer and the approval evidence. Test a design change that alters the inverter after approval, and confirm the CRM forces re-approval rather than silently carrying the old evidence forward into the handover pack.
Capture the customer account, the tariff category from the actual bill, the meter type, the phase, the requested capacity, the application route, the reference, the inspection, the fees, the meter change, the appointment, the activation and the completion evidence. Test a rejected application, a resubmission and a change of account holder. Never let a stage name be the only record that an approval exists.
Where load shedding drives the purchase, the sizing assumption is the promise. Store the outage pattern used, its source, the critical load list, the autonomy target, the depth of discharge assumption, the battery chemistry and warranty terms, the person who approved the model and the date. When the outage pattern changes, the CRM should surface affected customers rather than leaving a service manager to remember them.
Run a deposit, a scheduled instalment, a partial payment, a payment from a number that does not match the customer, a duplicate callback, a reversal, a failed collection, a refund and an accounting close using the actual providers. Restrict access to finance data, record customer notices and authorisation, and match every payment reference to the invoice and the installed asset rather than to a chat message.
Map controller and processor roles, registration duties, purposes, data categories, notices, access, correction, retention, deletion, transfers, subprocessors, support access, breach notification, backups, device security and termination. Test export and erasure against bills, identity documents, WhatsApp messages, site photographs, payment references and installed assets. Obtain written terms and take local advice before real customer data enters the system.
Have a field user work on the real phone in weak coverage, including on the Copperbelt and in rural districts. Capture location with a lawful purpose, load inventory, the bill image, roof or ground photographs, hazards, access, design inputs, equipment and serial numbers, delivery, tests, signatures, defects and commissioning. Check offline conflict resolution, compression, timestamps, supervisor review, lost device controls and later sync without duplicates.
Export the accepted scope, variations, the as-built design, installed equipment and serial numbers, photographs, test results, commissioning, ERB and ZESCO evidence, invoices and payment status, warranties, manuals, monitoring access, training, signatures, open defects and the service contact. Confirm customer access, retention, transfer to a new owner, cancellation, vendor exit and a complete readable archive.
The real budget
Zambian pricing needs more than converting a dollar seat fee to kwacha. Quickest publishes INR terms, OpenSolar describes its core platform as free, Pylon shows dollar prices whose billing currency should be confirmed, and Zoho publishes USD global tiers. Sunbase needs a quote for the relevant scope. Odoo and HubSpot vary by apps, seats, contacts and implementation. Ask for billing currency, taxes, payment method, bank and card charges, users, projects, proposals, storage, integrations, API calls, messaging, onboarding, support hours, renewal, exit and every separate product required to reach Smart Invoice, completed field delivery and a usable handover pack.
Free: 1 user and 10 proposals monthly. Pro: INR 6,999 per user yearly, minimum 3 users.
OpenSolar says partners fund the model; review services and connected costs.
New users receive five Standard Project credits; confirm Zambia commercial terms.
Request Zambia users, modules, implementation, integrations, support and renewal pricing.
Quickest lists one free user with ten proposals monthly and Pro at INR 6,999 per user yearly with a three-user minimum. Zambian commercial and tax terms are unverified.
OpenSolar states that its core platform is free because partners fund the model. Review partner choices, paid services, data use, support coverage and connected system costs.
Pylon offers five Standard Project credits to new users and states unlimited team users. Confirm the displayed currency, the CRM add-on, payment fees, project rules and renewal.
Zoho's reviewed page offers three free users alongside paid USD tiers. HubSpot states up to two free users and 1,000 contacts. Neither free plan supplies a complete Zambian solar operating stack.
Budget Smart Invoice integration, accounting, mobile money, WhatsApp messaging, design software, implementation, field devices, storage, support and administration alongside the licence fee.
Compare the cost of one complete acceptance case rather than a feature checklist. Measure the staff time needed to capture a bill, agree an outage assumption, revise a battery design, collect a deposit, issue the fiscal invoice, order equipment, record serial numbers, close the field job and answer a warranty call. Include travel and rework caused by missing data, and do not publish an assumed return until the pilot produces the company's own baseline.
Ask what happens when connectivity fails at a site or a payment callback arrives while an integration is unavailable. The commercial proposal should identify queued transactions, retry limits, manual reconciliation, notification, data ownership and support escalation. Price the middleware and the employee who monitors it, because a low licence fee does not resolve an unowned exception queue.
Our number-one pick
Quickest concentrates on lead ownership, a mobile proposal and the next follow up, which is a practical first adoption target for a small Zambian field sales team.
Its free plan lets one person test ten monthly proposals before the company commits to migration, custom integration or additional seats.
First place stays conditional on proof. ZMW handling, VAT, Smart Invoice, ERB and ZESCO evidence, mobile money, privacy, support and handover are not verified for Zambia.
Your next move
Start with Quickest and the specialist closest to your largest local requirement. Use the same evidence and test deals for both.
Name the bottleneck. Pick lead response, proposal speed, design, payment, install handoff, or management visibility.
Choose two tools. Compare Quickest with the strongest specialist for that bottleneck.
Run the Three-Deal Proof. Score adoption, repeated entry, revision handling, support, and full annual cost.
Research record
These sources support the market, regulatory, product, and pricing statements on this page. Product terms can change after the checked date.
Common questions
Quickest is first under our proposal-first adoption lens for a small team, but QuickEstimate owns it and Zambian localisation is unverified. OpenSolar is the better free design-first option. Pylon combines design with an optional CRM, while Sunbase targets a wider solar workflow. Run a real ZMW, VAT, Smart Invoice, ERB, ZESCO, mobile money and handover test before choosing.
We found no verified public evidence for native ZMW proposals, Zambian VAT handling or a Smart Invoice handoff. Quickest's published evidence is India-first. Require a live taxable quotation, a deposit, an invoice, a credit note, a refund, a Smart Invoice transmission, a failed transmission and a reconciliation during the demo, plus written billing currency and support terms.
Store the inverter make and model, the certification claimed, the standard referenced, the capacity, the connection point, the protection settings, the commissioning test, the responsible engineer and the approval evidence. ERB has published a standard governing inverter systems for embedded generation, so confirm the current requirement for the specific installation rather than reusing wording from an older proposal.
A CRM can coordinate the application, the documents, the inspection, the fees, the meter change, the appointment and the commissioning evidence. It does not replace the customer, the licensed electrician, ZESCO or the regulator. Store the reference number and the dated outcome rather than relying on a stage name, and confirm the current process with ZESCO for the specific site.
Treat the outage assumption as a stored promise. Record the outage pattern used, its source, the critical load list, the autonomy target, the depth of discharge assumption, the battery chemistry and warranty, the person who approved the model and the date. When the pattern changes, the system should be able to list affected customers instead of relying on a service manager's memory.
It should integrate with the payment routes the company actually uses, which usually means mobile money alongside bank transfer. Test payer matching when the sending number differs from the customer, callbacks, duplicate references, partial payments, reversals, refunds, settlement, permissions, receipts and accounting. Do not store customer wallet credentials, and treat no vendor's Zambian support as verified without a live demo.
Require written processor terms covering purposes, security, access control, subprocessors, transfers, retention, deletion, breach notification, support access and a complete export. Review registration duties for your own business, and take local advice on the current position. Avoid collecting identity documents the process does not need, because the cheapest way to reduce risk is to hold less data.
Quickest offers one user and ten proposals monthly. OpenSolar publishes a free core solar platform. Zoho offers three free users, and HubSpot states up to two users and 1,000 contacts. Compare the full cost of design, Smart Invoice, payments, messaging, field work, service, support and administration rather than the free tier alone.
Include the accepted scope, variations, the as-built design, installed equipment and serial numbers, photographs, test results, commissioning, ERB and ZESCO evidence, invoices, payment status, warranties, manuals, monitoring access, training, signatures, open defects and the service contact. Confirm the customer can retrieve it without the installer's software licence.
Use the Three-Deal Proof and require every vendor to show the same lead, revision, document, and failed handoff.