Photovoltaic System Performance Estimates for Specific Locations

An interactive calculator from the Department of Energy for estimating electricity production and energy value of grid-connected photovoltaic systems. It allows users to input location, design parameters, and system economics to develop performance estimates for potential installations. The underlying data structure and record count are not specified.

Use Cases

• Estimate electricity production for a photovoltaic system based on user-defined location and design parameters.
• Analyze the energy value of potential PV installations using inputs about system economics.
• Compare performance estimates for roof-mounted versus ground-mounted systems using default or custom inputs.

Strengths

• Data is provided by the Department of Energy, a U.S. federal agency.
• The resource was last updated in October 2025, indicating recent maintenance.
• It covers the topic of solar efficiency and photovoltaics with a focus on renewable energy.

Limitations

• The dataset's size, row count, and specific column structure are unknown.
• The primary format is an interactive web application (HTML/GOV), not a standard tabular data file.
• The description does not specify the temporal or geographic coverage of the underlying calculation models.

Provenance

Source

Department of Energy

Collection Method

Interactive web application (PVWatts Calculator) for generating estimates.

Freshness

Last updated on 2025-10-08.