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 Botswanan 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 Botswana 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 BWP documents, adviser-approved VAT, BERA licensing, BPC connection stages, mining and lodge procurement cycles, long field routes, standards evidence, 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 Botswanan currency, VAT, BERA licensing fields, BPC stages, hosting and support all remain unverified until a demo proves them. OpenSolar is better when free solar design leads the purchase. Pylon and Sunbase deserve tests where design depth or multi-crew operations dominate. Zoho, Odoo and HubSpot fit teams willing to configure a general platform, and they suit a company whose largest customers run formal tender and procurement processes.
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 Botswana commercial terms. 04Best broad solar operations candidateSunbaseEstablished teams evaluating a wider solar sales and project platform
Request Botswana 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 or tender response, deposit, design, licensed electrical work, the BPC application, procurement, transport, installation, commissioning, invoicing, handover and service. Ranking rewards focused sales adoption first, then solar design, operational breadth, field usability, finance fit and configurable CRM depth. Botswana facts come from BERA, BPC, the Botswana Unified Revenue Service, the Competition and Consumer Authority and BOCRA. Product descriptions come from official vendor pages and remain vendor claims.
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 Botswana?
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 BWP 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 | Botswana 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
Botswana has world-class irradiance and a small, concentrated economy in which the most valuable solar buyers are mines, lodges, government facilities, banks and large retailers. Those customers do not accept a WhatsApp quotation. They run tenders, ask for compliance documents, request references and expect a bid that survives an evaluation committee. At the same time the same installer sells small residential and borehole systems on long rural routes. A CRM has to carry both motions, and most tools are built for only one of them.
BERA regulates Botswana's energy sector, including licensing of electricity activity. Licence and permit status belongs in the customer record as stored fields with dates, particularly where a tender asks for it. Capture the licence class, the holder, the reference, the validity, the scope, the renewal date and the evidence document for your own business and for every subcontractor, then block a bid submission when a required document is missing or has expired.
Botswana Energy Regulatory Authority: Botswana Energy Regulatory Authority ↗BERA publishes renewable energy regulation material. Where a customer wants an embedded generation or export arrangement, treat the applicable route as a stored decision with a source and a date rather than a sales adjective. Store the connection point, the requested capacity, the technology, the utility reference, the conditions, the meter, the commissioning notice and any export readings, and confirm the live position before a proposal promises an export return.
Botswana Energy Regulatory Authority: Renewable energy regulation ↗BPC is the national power utility and the counterparty for 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 appointment, the activation and the completion evidence. Test a rejection and a resubmission, because a stage name is not evidence that an approval exists.
Botswana Power Corporation: Botswana Power Corporation ↗The Botswana Unified Revenue Service administers VAT and income tax. A Botswanan solar sale can mix imported equipment, local supply, design, installation, batteries, long-distance 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 Botswanan adviser approve deposits, staged invoices, retention amounts on larger contracts, variations, credit notes, imports and invoice wording.
Botswana Unified Revenue Service: Botswana Unified Revenue Service ↗The Competition and Consumer Authority oversees competition and consumer protection in Botswana. Advertising claims about savings, payback and system performance carry consequences, so the CRM should store the exact wording used with a customer, the date, the sender and the assumptions behind every number. Keep the approved template version under change control rather than allowing each salesperson to invent a saving promise inside a message nobody can retrieve later.
Competition and Consumer Authority Botswana: Competition and Consumer Authority ↗BOCRA regulates communications in Botswana, and connectivity outside the eastern corridor is a design constraint for any CRM used on rural jobs. Test the field application on the network the crews actually use, in the places they actually work. Measure what happens after several hours offline with a full survey queued, then measure again after a device is replaced, because those results predict adoption better than a feature list.
BOCRA: Botswana Communications Regulatory Authority ↗Tender work changes what a CRM must hold. Store the tender reference, the issuing organisation, the closing date and time, the mandatory documents, the compliance schedule, the pricing schedule, the clarifications issued, the responses given, the submission receipt, the evaluation outcome and the debrief. An opportunity record designed for a homeowner will lose a bid because a certificate expired two days before closing and nobody was watching the field.
Botswana Energy Regulatory Authority: Botswana Energy Regulatory Authority ↗Mining and lodge customers add obligations that outlast the installation. Record the site induction requirements, the safety file, the permits to work, the access arrangements, the contact chain, the planned shutdown windows, the service intervals, the spares held and the escalation path. A CRM that treats commissioning as the end of the record will not support a contract whose value sits in the five years of service that follow it.
Botswana Power Corporation: Botswana Power Corporation ↗High ambient temperatures and dust deserve explicit treatment in the yield model. Store the irradiance source, the orientation and tilt, soiling and cleaning assumptions, temperature derating, the shading treatment, the degradation assumption, the performance ratio, the approver and the date. A model tuned for a milder climate will over-promise in a way a Botswanan customer notices in the first hot season, and the stored assumption is what protects the conversation.
Botswana Energy Regulatory Authority: Renewable energy regulation ↗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, and it is the residential half of a Botswanan business that benefits most.
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 BWP quoting, Botswanan VAT, BERA licence fields, BPC stages, tender document control, offline capture on rural routes, commissioning or the handover pack. Be honest about scope during the pilot: a proposal-first tool is a good answer for residential and small commercial work and a poor answer for a mine tender. Require contract currency, data location, subprocessors, response hours, export, cancellation and renewal terms in writing.
Choose it if: residential and small commercial quoting speed is the first bottleneck. Choose another platform if: tender document control and formal procurement drive most of the revenue.
OpenSolar is the strongest free design-first route for Botswana, subject to climate modelling, connectivity 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. Judge it on how it handles temperature derating, soiling and off-grid autonomy rather than on the roof render, because those are the assumptions a Botswanan customer will test in the first hot season.
Validate Botswanan imagery, irradiance, load and battery sizing, equipment libraries, borehole and off-grid scenarios, BWP 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: tender document control and service contracts dominate the requirement list.
Pylon supports a compact design and CRM evaluation, with billing currency and Botswanan field behaviour 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 Botswanan locations, weather and production inputs, high ambient temperatures, off-grid autonomy, BWP display, offline use on the road, roles and support. Review data processing and export. Model several revisions on one commercial job, because credit economics and version control both matter when an evaluation committee asks for a revised bid.
Choose it if: the team wants to trial solar design, proposals and CRM together. Choose another platform if: tender handling, stock and service history dominate the requirement list.
Sunbase publishes broad solar CRM scope, and document control alongside scheduling is what a Botswanan contractor should test.
Sunbase positions its CRM around solar lead management, sales, communication, proposals, workflow and operational visibility. For a Botswanan contractor the interesting half is operational: assembling a compliant bid, dispatching a crew across a long route, tracking stock that left the branch and holding a service contract afterwards. Public product language is not evidence that any of that fits local procurement.
Ask for comparable customer references and use a controlled demo from tender notice through survey, bid, award, deposit, invoice, procurement, transport, installation, commissioning and service. Verify BWP handling, document expiry alerts, offline behaviour, scheduling, roles, audit history, privacy terms, storage, support hours, the implementation owner, the module list, the contract price, data export and how a post-award variation propagates.
Choose it if: a growing contractor bids formally and runs crews across the country. Choose another platform if: a free design tool or a simpler proposal CRM meets the immediate need.
Zoho suits a Botswanan business that needs a tender module and a residential pipeline in the same system.
Zoho CRM offers configurable modules, fields, pipelines, workflow, reports, mobile apps, portals and APIs. Custom modules are the reason to consider it here: a tender object with its own fields, expiry alerts and document set can live alongside an ordinary residential pipeline without either distorting the other. The wider suite may reduce vendor count while adding ownership and maintenance questions.
Build or connect load assessment, solar design, BWP quotations, VAT, payment reconciliation, inventory, BPC stages, tender tracking, travel costing, commissioning, assets, warranty and handover. Test mobile offline needs on a real route, 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 runs both tender and residential motions. Choose another platform if: the team expects ready-made solar workflows with little configuration.
Odoo suits a Botswanan contractor whose stock, field service and contract accounting have outgrown a sales tool.
Odoo combines CRM with quotations, sales, accounting, purchasing, inventory, projects, field service, helpdesk and other applications. For a contractor holding stock and running service contracts for mines and lodges, the project, inventory and field service modules are the reason to look rather than the CRM itself. Edition, hosting, partner work, custom code and maintenance decide the real cost.
Verify a current Botswanan localisation and the accounting route with the responsible implementation partner. Test BWP, VAT, retention on staged contracts, transport lines, serial numbers, offline field work, approvals, BPC evidence, warranty, stock transfers 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: stock, field service, contract accounting and CRM should share one 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 it leaves Botswanan tender control and field service unsolved.
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 on the residential side. Paid marketing, sales, service, content and data products expand that record, but contact tiers, seats, onboarding and multiple hubs change the comparison quickly.
Price and test the complete Botswanan stack: messaging, solar design, BWP quotation, VAT, payment reconciliation, inventory, offline field delivery, tender document control, service and reporting. Use controlled fields for the licence, the tariff category, the BPC reference, travel distance, the responsible electrician, equipment, commissioning and warranty. Review consent, imports, suppression, processor terms, transfers, API limits and export.
Choose it if: marketing and residential lead management are the first priorities. Choose another platform if: tender control, stock and remote service are the real problems to solve.
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 on residential and small commercial work. Use the free plan on real Botswanan opportunities, including one Gaborone rooftop and one rural borehole job. Continue only if the vendor proves BWP, VAT, BPC stages, offline capture, 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 Botswanan imagery, irradiance inputs, temperature and soiling handling, off-grid and borehole cases, BWP display, VAT, data terms, mobile performance in weak coverage, 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, Botswanan model inputs, high ambient temperature handling, project credit economics across several revisions, mobile use on the road, tax connections, permissions, support hours and the evidence produced at handover.
Sunbase targets broader solar sales and operational workflows, which suits a contractor bidding for mine, lodge, retail and government work while also running crews. Ask for comparable references and test tender tracking, document expiry alerts, scheduling, stock, offline behaviour, privacy, commissioning and export. Request current pricing for the actual module set.
A configurable platform can model tenders, contracts, service intervals, safety files, stock and several business lines together. That flexibility requires an administrator, a specialist solar design tool and disciplined data ownership. Odoo is stronger where inventory, field service and accounting dominate; Zoho is the more familiar route for a bid and sales team.
HubSpot fits a business whose first priority is forms, campaigns, email, meetings and pipeline visibility on the residential side. Budget the solar design, quotation, tax, payment, 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, transport and services, a deposit, a staged invoice, a retention amount, a variation, a credit note, a refund, a discount and a warranty replacement in BWP. Check inclusive and exclusive display, rounding, taxpayer identifiers, permissions and the signed revision. Let the accountant decide classification and confirm how the vendor bills its own subscription, including currency, VAT, withholding and bank charges.
Store the tender reference, issuing organisation, closing date and time, mandatory documents, compliance schedule, pricing schedule, clarifications, responses, submission receipt, evaluation outcome and debrief. Set alerts against document expiry rather than against the closing date alone. Test a bid where a certificate lapses one week before submission, because that is the failure mode a homeowner-shaped pipeline never catches.
Record the licence class, holder, reference, validity, scope and renewal date for your business and every subcontractor, plus the responsible electrician for each job. Prevent a salesperson or a bid coordinator from submitting without the required named owner and attachments, and confirm the current requirement for the actual work rather than trusting a generic installer checkbox carried over from an earlier project.
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 appointment, the activation and the completion evidence. Test a rejected application, a resubmission and a change of account holder. Never let a pipeline stage be the only record that an approval exists.
Store site coordinates, round-trip distance, travel time, crew size, accommodation, vehicle and fuel assumptions, and let them flow into both the customer price and the internal job cost. Have a field user work on the real phone in genuinely weak coverage outside the eastern corridor, then measure sync after several hours offline with a full survey queued and again after replacing the device.
Record site induction requirements, the safety file, permits to work, access arrangements, the contact chain, shutdown windows, service intervals, spares held and the escalation path. Test a service call raised three years after commissioning using only what the CRM holds, and confirm the record survives the departure of the account manager who negotiated the contract.
Store the irradiance source, orientation and tilt, soiling and cleaning assumptions, temperature derating, shading treatment, degradation assumption, performance ratio, the approver and the date. Test a design change after acceptance and confirm the new yield, the new price and the customer's acknowledgement all propagate rather than the original figure surviving quietly into the handover pack.
Map controller and processor roles, 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, messages, site photographs, payment references and installed assets. Obtain written terms and take local advice before real customer data enters the system.
Export the accepted scope, variations, the as-built design, installed equipment and serial numbers, photographs, test results, commissioning, licence and utility evidence, invoices and payment status, warranties, manuals, monitoring access, training, signatures, open defects and the service contact. For corporate customers add the compliance pack the contract requires and confirm the customer can retrieve everything without your software licence.
The real budget
Botswanan pricing is not a currency conversion exercise, and for a tender-led business the licence fee is rarely the decisive number. 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 charges, users, projects, storage, integrations, API calls, messaging, onboarding, support hours, renewal, exit and every separate product required to reach a compliant invoice, a submitted bid 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 Botswana commercial terms.
Request Botswana 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. Botswanan 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 Botswanan solar operating stack.
Budget accounting, payment handling, messaging, design software, implementation, rugged field devices, data bundles, storage, support and administration alongside the licence fee.
Compare the cost of one complete acceptance case rather than a feature checklist, and price one lost tender alongside it. Measure the staff time needed to assemble a compliant bid, revise a design, collect a deposit, issue an invoice, transport equipment, record serial numbers, close the field job and answer a warranty call. A single bid disqualified over an expired certificate costs more than several years of licences.
Ask what happens when a crew works a full day outside coverage or a tender portal rejects an upload. 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.
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 Botswanan 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. BWP handling, VAT, BERA and BPC evidence, tender tracking, offline capture, privacy, support and handover are not verified for Botswana.
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 Botswanan 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. If most of your revenue comes through tenders, weight document control and expiry alerts above proposal speed.
We found no verified public evidence for native BWP proposals or Botswanan VAT handling. Quickest's published evidence is India-first. Require a live taxable quotation including a transport line, a deposit, a staged invoice with retention, a credit note, a refund and an accounting export during the demo, plus written billing currency and support terms.
As a distinct record type. Store the tender reference, the issuing organisation, the closing date and time, the mandatory documents, the compliance and pricing schedules, the clarifications, the submission receipt, the evaluation outcome and the debrief. Set alerts against document expiry rather than the closing date, because an expired certificate is the most common avoidable disqualification.
Store the customer account, the tariff category taken from the customer's own bill, the meter type, the phase, the requested capacity, the application route, the reference, the inspection, the fees, the appointment, the activation and the completion evidence. Test a rejection and a resubmission. A pipeline stage without a reference number and a date proves nothing to a customer or an auditor.
They should. Store the irradiance source, orientation and tilt, soiling and cleaning assumptions, temperature derating, shading treatment, degradation assumption and performance ratio, plus who approved the model and when. A model tuned for a milder climate will over-promise in a way the customer notices during the first hot season, and the stored assumption is what protects the conversation.
Site induction requirements, the safety file, permits to work, access arrangements, the contact chain, shutdown windows, service intervals, spares held and the escalation path. Test a service call raised three years after commissioning using only the CRM, and confirm the record survives the departure of the account manager who negotiated the contract.
Require written processor terms covering purposes, security, access control, subprocessors, transfers, retention, deletion, breach notification, support access and a complete export. Review your own obligations under the applicable regime and take local advice. Corporate customers increasingly ask suppliers about data handling, so the answer belongs in your bid pack rather than being improvised.
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, tax, payments, messaging, field work, tender handling, 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, licence and utility evidence, invoices, payment status, warranties, manuals, monitoring access, training, signatures, open defects and the service contact. For corporate customers add the compliance documents the contract specifies.
Use the Three-Deal Proof and require every vendor to show the same lead, revision, document, and failed handoff.