Top 6 solar proposal software programs

TL;DR

  • Choosing the right solar proposal software is critical for streamlining your sales process and delivering accurate, professional quotations. This article compares six top providers in Europe: PVSOL, EasySolar, SolarGraf, Aurora Plan, Solar Monkey, 2Solar, and OpusFlow. Each platform varies in pricing, features, and usability.
  • PVSOL offers detailed simulations but has dated visuals. SolarGraf provides scalable pricing per user but mixed shading accuracy. Aurora Plan includes advanced design tools but relies on third-party integrations. Solar Monkey excels in ease of use, while 2Solar’s pricing is complex and its e-signature feature is outsourced.
  • OpusFlow stands out as a fully integrated, all-in-one ERP and solar proposal tool with fixed pricing, built-in e-signatures, customizable templates, and a customer portal – making it a powerful choice for installers ready to scale. Discover how OpusFlow simplifies quoting and drives efficiency from design to deal-closure.
Top 6 solar proposal software | OpusFlow

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Selecting the right solar proposal software for your business can be challenging. It needs to be efficient, work well for your processes, and help you create the most suitable quotations for both you and your clients. To help you gain more insight, we’ve reviewed OpusFlow and five other European companies that offer solar proposal software.

Using solar proposal software enables you to streamline the entire sales process. It allows you to create detailed quotations quickly, with calculations and visualizations, without taking much time away from your core work. Read more in this article about the features, packages, prices, and reviews of OpusFlow and other companies offering solar proposal software.

The six companies we researched are PV*SOL, EasySolar, SolarGraf, Aurora Plan, 2Solar by Sollit, and OpusFlow, all operating in Europe.

PV*SOL: A German based solar proposal software 

Based in: Berlin, Germany

Top 6 solar proposal software programs | OpusFlow
PV*SOL PV*SOL PREMIUM
Features
Features
Access to extensive product database
Access to extensive product database
Availability of current feed-tariffs for the calculation of economic efficiency
Availability of current feed-tariffs for the calculation of economic efficiency
Create high quality project reports that can be edited

Price

Price

€895,00 incl. 6 months of software maintenance
€1.295,00 incl. 6 months of software maintenance

Note: Only features that are relevant to quotation making are mentioned.

For 30 days, full versions of all PVSOL products are available for free; however, during this period, the project report cannot be saved or printed. The pricing includes 6 months of maintenance, after which there is an additional cost of €233.10 for the premium version and €161.10 for PVSOL each time. The licensing periods are 3 or 12 months. More information can be found here.

Previous customers mentioned in Google reviews that they enjoyed using the free online version and found the program up-to-date. However, one customer noted that the 3D area was not current. See PV SOL reviews here.

Read also: 10 top solar software in 2026

Solargraf

Based in: Berlin, Germany

Top 6 solar proposal software programs | OpusFlow

There are no differences in the features offered by SolarGraf packages; all packages come with the same features. Customers can request a free demo to learn more about how the program works. The differences between the packages lie in the number of users. Table 2 shows SolarGraf’s packages, including the total price per month, price per user per month, and price per additional user per month. More information is available here.

Solargraf Packages Total Price / Month Total Price / User / Month Total Price / Additional User / Month
Starter Pack (2 Users)
299€
€149,5
€99
Small Business Edition (4 Users)
€345
€86,25
€79
Team Edition (6 Users)
€495
€76,5
€59
Enterprise
On Request
On Request
On Request

Note: These packages and prices include more features than just the solar proposal options.

The features offered by Solargraf that are relevant for creating solar proposals include:

  • Customized proposal templates and contract integration using Docusign
  • Easy and flexible financing options

Previous customers on Capterra noted that Solargraf helps them create professional quotations and optimize panel placement in drawings. However, some mentioned that there are too many financing options for customers to choose from, that the shading software is less functional, and that certain calculations were off. See Solargraf reviews here.

Aurora Solar

Based in: San Francisco, California

Top 6 solar proposal software programs | OpusFlow

Aurora Solar splits its services into two categories: Sell and Deliver. The category contains features that are relevant for creating solar proposals which include:

  • Creates contracts
  • Uses e-signature
  • Activity tracking
  • Customized proposals, can edit yourself
Aurora Plan Packages Price Per User / Month
Basic
€159
Premium
€259

Note: These prices contain the services for both the Sell and Deliver categories, not for only the solar proposal features.

The premium package differs from the basic package in several ways: HD imagery, bankable shade reports, battery storage, backup sizes, LIDAR-assisted modeling, and more—all included in the premium package. To help close deals, Aurora Plan uses third-party financing providers, meaning a second business is required to complete the contract before it is presented to the client. More details are available here.

Previous users commented on Google reviews about the precision of the drawings and the ease of use of the design tools. However, after the release of the new V2 version, some users began encountering issues that were not present before. See Aurora Solar reviews here.

Solar Monkey

Based in: The Hague, The Netherlands

Top 6 solar proposal software programs | OpusFlow

The features provided by SolarMonkey to its customers that are relevant for creating solar proposals include:

  • Customizable offer templates
  • Markup pricing, discounts, or package prices
  • Helps to calculate and present the costs and benefits
  • Can add non-PV products to proposals such as EV chargers, batteries, and heat pumps

SolarMonkey makes use of an external platform called Pipedrive to enhance lead generation. This integration enables customers to research their sales funnels, streamline planning, and access detailed reporting. However, it’s worth noting that the website does not currently provide pricing information for these services.

Google reviews indicate that many users appreciate the software for its ease of use and quick quote generation. However, experiences with communication have been mixed. While some customers reported positive interactions, others faced challenges, including delays in responses and miscommunication when attempting to cancel their subscription. In particular, one customer noted that their conversation with management did not go as smoothly as expected. See Solar Monkey reviews here.

2Solar by Sollit

Based in: Zwolle, The Netherlands

Top 6 solar proposal software programs | OpusFlow

2Solar offers a range of software products; regarding solar proposals, the following features are included:

  • Automatic article list
  • Own quote template as well as ready-made templates
  • Choose payment terms
  • All materials and prices which will be calculated

Despite being a significant competitor of OpusFlow, 2Solar’s product options are somewhat limited. For example, even though 2Solar offers e-signature functionality for quotations and contracts, this feature is made possible by an outside provider called Sign2Cloud. OpusFlow, on the other hand, improves user convenience by integrating e-signature technology directly into their program. Read more here.

In a price comparison, Sollit (2Solar) ranked lower than its competitors because of its complicated pricing structure. The price per user was a lot higher than the competitors’ software.

Google reviews highlight that customers enjoy using the software and appreciate the company’s collaborative approach. While one user found the layout to be less efficient, the overall feedback has been positive. See 2Solar reviews here.

OpusFlow: All-in-one solar proposal software 

Based in: Deventer, The Netherlands

AI for ERP | OpusFlow

OpusFlow is known for its ERP modules, but its Solar Design & Proposal Software is also offered without any additional costs. To help you gain more insight into OpusFlow’s solar proposal software, here are some key features:

  • Materials and under-construction companies such as ESDEC, Blubase, and Van der Valk can be considered in the quotation.
  • Add working hours in the quotation
  • Able to review the margins
  • Customizable quotation templates are available
  • After the standard quotation, you can adapt tax percentages, prices, and more.
  • Email templates with quotations can be personalized, and activity can be tracked.
  • Uses a customer portal, allowing customers to sign contracts in a safe environment and keep all documents, contracts, and quotations in one place. More information here.

OpusFlow offers two packages: a monthly and a yearly package, which provide access not only to the Solar Design & Proposal Software but to the other ERP modules as well.

Learn more: The Installer’s guide to outgrowing chaos: Why ERP is your next power tool

OpusFlow Packages Price Per User / Month
Monthly
€120
Yearly
€99

In Google reviews, previous customers mentioned that the software was easy to use and helped simplify their workflow. Another customer appreciated receiving the entire package for a fixed price. Yet another customer described it as a great software for a solar panel company. See OpusFlow reviews here.

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