Spark Charts

Insights into energy's future

Spark Charts

The energy transition is unfolding rapidly around the world, as cleaner and lower-cost energy and technologies displace dirtier, more expensive incumbents. Learn more about the breadth of this historic transformation via the charts, graphs, and data visualizations collected here.

Spark Chart , Strategic Insights | August 13, 2025

Affordability, Not Volatility: Renewables’ Cost Advantage Grows

Renewables’ cost advantage over fossil fuel electricity continues — in 2024, more than 90 percent of new global renewable energy capacity was cheaper.

Spark Chart , Strategic Insights | July 31, 2025

Three Priorities for a New Age of Electricity Load Growth

Demand growth is being caused by more than data centers, and rising electricity costs call for system solutions.

Industry , Spark Chart , Strategic Insights | April 28, 2025

Trillion-dollar Win: Clean Energy Investment Benefits Growth and Jobs in All States

As federal clean energy incentives are targeted, red states face bigger losses.

Strategic Insights | April 14, 2025

How to Save Money for All Americans: Efficiency

Energy efficiency gains made since 2000 save the average American over $1,000 per year.

Strategic Insights | March 26, 2025

Clean Energy Crosses the Political Aisle

Nationwide, solar and wind show more unity than division.

Spark Chart | July 29, 2024

The Energy Transition in Three Xs

Solar and wind take over electricity; electricity takes over energy; efficiency reduces wasted energy.

Spark Chart | July 29, 2024

In the Shift to Clean Energy, New Technologies Beat Old Commodities

Over time, scaling clean technologies has got dramatically cheaper, yet digging fossil fuels has not. For the energy transition, this means new energy technologies have a compounding cost edge over old fossil fuel commodities.