Forecast.Solar: Smart Solar Energy Management

S.C.O.R.E. → Resilience → Energy

Overview

Forecast.Solar enables homeowners to predict solar energy production based on weather forecasts, optimizing energy usage and enhancing sustainability. By understanding solar output, users can make informed decisions about energy consumption and storage.

Benefits

• Increased energy savings by optimizing solar power usage
• Reduced reliance on grid energy during peak hours
• Enhanced understanding of solar energy potential throughout the day

Intent

The purpose of Forecast.Solar is to provide homeowners with real-time predictions of solar energy production based on weather conditions. This capability allows users to plan their energy use effectively, maximizing the benefits of their solar installations.

Preconditions

• Home Assistant installed and configured.
• Solar panel system integrated with Home Assistant.
• Access to weather data via Home Assistant.
• Integration available and authenticated: Zigbee2MQTT.
• Device installed and reachable: Energy Monitoring.

Actors

• Homeowner
• Family member
• Household member

Trigger

The capability is triggered by a scheduled time or a change in weather data that affects solar energy production.

Workflow Diagram

flowchart TD
    A[Weather Data Update] -->|check| B{Is solar output predicted?}
    B -->|Yes| C[Prepare energy usage plan]
    C --> D[Optimize energy consumption]
    B -->|No| E[Use standard grid energy]

Workflow Description

1. Fetch Weather Data

The system retrieves the latest weather data to assess conditions affecting solar energy production.

2. Analyze Solar Predictions

Forecast.Solar analyzes the weather data to predict potential solar energy output for the day.

3. Notify Homeowner

The homeowner is notified of the predicted solar energy output, enabling informed decisions.

4. Adjust Energy Usage

Homeowner and family members adjust their energy-consuming activities based on solar predictions.

5. Monitor Real-Time Output

The system continuously monitors actual solar energy production to compare against predictions.

Postconditions

After the capability runs, the homeowner has an optimized energy usage plan based on solar predictions, leading to potential energy savings and efficient use of resources.

Optional Enhancements

• Integrate with smart home devices for automated energy adjustments
• Add historical data analysis for improved forecasting
• Implement alerts for significant changes in weather impacting solar output

Recommended Components

Source Examples

• 2026.1: Home is where the dashboard is ?? – Home Assistant (homeassistant)