Home / Renewable energy & energy transition / OpusFlow
Opus4All B.V. (Deventer, NL)OpusFlow
Dutch ERP platform for installers of solar panels, heat pumps, charging points and batteries. Combines CRM, design (PV Designer), scheduling, warehousing and invoicing in one system. More than 3,000 users; €3.8 million growth funding (2024).

Shared spot1of 16 professional tools with a GDPR profileOur summary of what the provider itself publishes about your data: whether the data is held in the EU (2 points), whether there is a certification or GDPR safeguard (1) and whether the provider is established in the Netherlands or the EU (1). 3 or 4 points is Strong, 2 Good, 1 Limited, 0 Unknown. How we measure in sustainable energy & energy transition
GDPR: Strong
- Provider based in the Netherlands
- Data in the EU according to the provider
- Publishes certification/GDPR safeguards
Pricefrom €99/mo per userfrom €99/user/mo (annual contract, min. 3 licences); onboarding from €1,500
Free trialYes
Based inDeventer, NLNetherlands
ModelNot publicOpusAI proprietary assistant; based in the NL (Deventer), EU hosting; GDPR-compliant
Last checked: 24 October 2026 · How we check
Is this your tool? Fill in missing detailsWhat it does
PV designer and energy simulation
Heat pump calculation according to DIN EN 12831
Home battery calculator and ROI calculation
CRM, lead management and quotes
Drag-and-drop scheduling and client portalDigital forms with photo and signature
Invoicing, stock and dashboardsOpusAI: AI assistant that carries out actions
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Underlying model
GDPR check for renewable energy & energy transition OpusAI proprietary assistant; based in NL (Deventer), EU hosting; GDPR-compliant. Many tools build on a large model from, for example, OpenAI or Anthropic. If in doubt, ask for the data processing agreement: it sets out where your data goes.
Questions about OpusFlow
- Which AI model does OpusFlow use?
- The maker of OpusFlow does not publish which AI model sits underneath. OpusAI in-house assistant; Dutch-based (Deventer), EU hosting; GDPR-compliant.
- How much does OpusFlow cost?
- from €99/user/mth (annual contract, min. 3 licences); onboarding from €1,500. Check the current price on the provider's website; rates change often.
- Who is OpusFlow for?
- OpusFlow focuses on sustainable energy & energy transition, building services. It supports work such as automatically generating roof designs and yield calculations, drawing up quotes and subsidy calculations, and qualifying, following up on and scheduling leads.
- What should I watch out for with AI in renewable energy & energy transition?
- Client and project data (address, energy consumption, financing) are personal data under the GDPR. Only use systems with a data processing agreement and EU hosting; check whether cloud platforms use technical installation data for model training. Yield calculations and subsidy applications are binding, have a qualified installer verify all AI output before use. ISDE and SDE++ subsidy rules change regularly; link AI calculations to current subsidy sources.
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