Mary Anne Piette, a brown-haired person wearing a white collared shirt, smiles for a headshot against a dark background. The sun obscured behind smokey skies over a blue building.

A testing facility for energy-efficient building technologies.

 Three people in safety gear standing in front of a truck.

Researching technologies, software,  programs, and market incentives to advance a more resilient and reliable grid whose power is more affordable for customers.

 Smart city and dot point connect Modern Telecom System.

The Connected Communities program demonstrates how demand flexibility contributes to a secure, reliable grid, while improving resilience through Virtual Power Plant (VPP) solutions.

 Panoramic view of San Francisco skyline at sunrise.

Berkeley Lab researches the development and implementation of GEB modeling tools.

 Blurred car lights on a highway.

Researchers are working closely with industry, cities, national laboratories, UC Berkeley, and other research institutions to develop robust solutions to critical transportation issues.

 Upward view of a high-performance window system with sun shining in the background.

Berkeley Lab’s advanced technologies and software tools are the world standard in increasing the energy efficiency of windows and buildings.

 Upward view of a building with a colorful overlay.

Researchers are developing critical performance monitoring tools, providing energy and facility managers with new analysis and visualization capabilities.

 New York skyline against a sunset.

Berkeley Lab is developing data and technologies that increase energy efficiency and improve the health, safety, and comfort of building occupants in the U.S. and worldwide.

 Blueprint of a large building.

Berkeley Lab is developing software that supports the efficient design and operation of buildings, as well as future systems that can save energy and money.

 Aerial view of white roofed homes and streets forming circular patterns.

Researchers are developing new strategies to cool buildings and cities by making roofs, pavements, and cars cooler in the sun.

 Interior view of an energy management laboratory with yellow and grey machinery.

This team develops and deploys evidence-based energy management solutions to help organizations achieve their energy-related objectives.

 Energy meters lined up in a row.

This group conducts unbiased research, analysis, and technical assistance on energy-efficiency markets and policies.

 Cindy Regnier, a person with medium-length brown hair wearing glasses and a black top, in front of FLEXLAB.

Regnier is the Whole Building Systems Department Head and FLEXLAB® Executive Director at Berkeley Lab. Regnier also manages several research projects focused on community scale deployment of coordinated grid interactive efficient buildings, and deployment of low energy systems and technologies.

 Person with long, braided dark hair wearing silver hoop earrings and a green and white shirt.

"Commercial and residential buildings account for approximately $375 billion of energy usage per year in the United States. Our research focuses on developing innovative building technologies, tools, and modeling and simulation methods that increase energy efficiency, save money, and improve health and safety for building occupants."

 C. Anna Spurlock, a person with short curly brown hair wearing glasses and a gray blazer over a black top, photographed against a light gray background.

Spurlock is a research scientist and a deputy department head in the Sustainable Energy and Environmental Systems Department. Spurlock has a leadership role in the Sustainable Transportation Initiative and also leads the Economics Research sub-team within the Energy Efficiency Standards Department.

 Artistic representation of a smart house

What might the houses and apartments of 2050 look like if they take advantage of new technologies? Berkeley Lab energy technology researchers gave a glimpse into what a home built in 2050 might look like.

Art Rosenfeld, a physicist and Berkeley Lab Distinguished Scientist Emeritus, transformed the fledgling field of energy efficiency from a research afterthought into a scientific discipline.

Berkeley Lab scientists discuss how advances in energy storage can help us prevent extreme weather-related blackouts, adopt more renewable energy, and build bigger, better, more environmentally responsible batteries.

 Exterior of a school building. City scene on a cloudy day. Orange hued city. Evening traffic in downtown Los Angeles. Oil refinery at night. View of highway at sunrise with a semi coming toward the viewer.