2026-03-24 v2.3
Major Update Feature Bugfix
  • • Pricing & Subscription: Rebranded subscription tiers from Starter/Pro/Premium to Scout/Pro/Scale; updated trial-expired screens to reflect new tier names; removed the 14-day free trial signup flow; removed free trial messaging from all calls-to-action; added monthly site assessment usage limits for the Scout tier
  • • AI & Features: Rebranded 'Project Agent' / 'AI Assistant' to AI Portfolio Insights for cross-project analysis; strengthened AI Project Assistant prompts for more accurate solar project guidance; fixed NREL solar data fields used in AI system prompt context
  • • Site Studio: Fixed a location lookup error that was breaking Site Studio for some users; removed Agent Mode from Site Studio workflow, simplifying the experience
  • • Landing Page: Added new 'AI at Every Level' section to the landing page; updated comparison table content and layout
  • • Bug Fixes: Fixed navbar not always showing Dashboard link for logged-in users; fixed Open Graph social preview image
2025-11-09 v2.2 Early Beta
Major Update Feature
  • • Launched Site Studio - new map-first approach for solar project planning based on user feedback
  • • Replaced legacy Project Agent with intuitive location-based workflow
  • • Interactive map becomes the starting point for all new projects
  • • Streamlined navigation with Site Studio as the main landing page after login
  • • Added 'My Projects' view for managing all Site Studio projects
  • • Updated to v2.2 Early Beta with improved user experience
2025-07-15 v2.1 Early Beta
Major Update Feature Integration
  • • Launched Project Agent - AI-powered assistant for solar project guidance using OpenAI GPT-4o
  • • Added subscription system with three tiers: Starter, Pro, and Premium
  • • Integrated Stripe payment processing for subscription management
  • • Implemented 14-day free trial system with AI credit limits (50,000 tokens)
  • • Added NASA POWER API integration for real-time solar radiation and weather data
  • • Built comprehensive project management dashboard with portfolio overview
  • • Added AI-powered ROI analysis and business insights for solar installations
  • • Implemented OpenAI usage tracking and credit monitoring system
  • • Added data export capabilities in multiple formats (PDF, Excel, CSV)
  • • Created intelligent project creation workflow with location-based analysis
  • • Added project tracking with performance metrics and timeline monitoring
2025-02-14
Feature Bugfix
  • • Added location geocoding using the Nominatim service to conver the location into geographic coordinates (latitude and longitude)
  • • Users can enter a location city, address, or landmark in a form
  • • Results are displayed showing Country, State, City, and coordinates
  • • An interactive map using Mapbox shows the location with a marker
  • • Added error handling for location not found or service unavailable
  • • Added new changelog page
2025-02-04
Performance
  • • Changed from Firebase to Stack Auth
  • • Front-end styling changes
2025-01-21 v2.0
Major Update
  • • Added basic user registration and login
  • • New landing page
  • • Deployed the first new version of the app for closed beta testing purposes
2020-05-06 v1.0
Major Update
  • • Published the first basic version of the app
  • • This version was part of a research project and bachelor thesis named:
  • • Off-grid Photovoltaics system design and simulation: A case study using irradiation data
  • • The focus was on a off-grid photovoltaics system sizing tool