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REopt Lite User Guides

Learn more about the REopt Lite™ web tool from the following user guides, including a detailed user manual, tutorial videos, and recorded webinars.

User Manual

The REopt Lite Web Tool User Manual provides an in-depth review of the tool and the intended users and use cases, and instructions on how to get started with using the tool. The user manual also contains details about the tool’s data inputs, results, and default values, and links to technical references for the tool.

Tutorial Videos

Seven short tutorial videos provide overviews of REopt Lite inputs, results, and application programming interface (API).

Inputs Overview

Text version

Load Profile Input

Text version

Advanced Utility Rate Input

Text version

Resilience Inputs

Text version

Financial Outputs

Text version

Resilience Outputs

Text version

API Overview

Text version

Tutorial Fact Sheets

Downloadable quick-start tutorials guide users through REopt Lite inputs and results.

Entering Site Data
NREL fact sheet, May 2020

Load Profile Inputs
NREL fact sheet, May 2020

Advanced Utility Rate Inputs
NREL fact sheet, May 2020

Resilience Inputs
NREL fact sheet, May 2020

Financial Outputs
NREL fact sheet, May 2020

Resilience Outputs
NREL fact sheet, May 2020

Webinars

Recorded webinars explore REopt Lite features and functionality.

Introduction to REopt Lite Open Source
NREL webinar, March 17, 2020  •  Download the webinar slides.

Save Money and Build Resilience with Distributed Energy Technologies
DOE Better Buildings webinar, Feb. 4, 2020

Designing Solar+Storage to Power Critical Loads: An Introduction to New Resilient Power Features in NREL’s REopt Lite Tool
Clean Energy Group Resilient Power Project webinar, Feb. 21, 2019

Simplifying Resilient Power Design with REopt Lite: A Look at New Features Added to NREL’s Solar+Storage Tool
Clean Energy Group Resilient Power Project webinar, July 25, 2018

REopt Lite: Sizing Solar+Storage for Savings and Resiliency with NREL’s New Tool
Clean Energy Group Resilient Power Project webinar, Nov. 1, 2017

Outreach Publications

The following fact sheets and presentations describe REopt Lite capabilities.

REopt Lite Web Tool: Capabilities and Features
NREL presentation, March 2020

Evaluate Distributed Energy Technologies for Cost Savings and Resilience with REopt Lite
NREL fact sheet, March 2020

NREL Tools Help Identify and Evaluate Renewable Energy Projects
NREL fact sheet, August 2018