Ammonia joins hydrogen and biogas as a clean fuel in microgrids and ‘linear generators’

More and more alternative clean fuels are cropping up in microgrids to replace fossil fuel backup and boost resilience. For example, instead of adding fossil fuels to solar and storage — a common backup strategy — Sesame Solar added green hydrogen to the company’s mobile nanogrids. This is hydrogen produced using renewable energy. And … [Read more...]

RECs or green microgrids? What’s the better way to achieve ESG goals?

With the value of renewable energy certificates (RECs) being challenged, green microgrids and on-site energy are being eyed as a better way to achieve not only sustainability goals but also resilience. A new study published in Nature finds that corporate REC purchases aren’t likely to prompt additional renewable energy production, which is … [Read more...]

Mainspring Energy closes on more than $150 million in Series E funding

Mainspring Energy, which provides linear generators for microgrids, has closed on more than $150 million in first stage Series E funding, led by global growth equity investor Lightrock and joined by Khosla Ventures, Bill Gates, Fine Structure Ventures, the private equity firm affiliated with the parent company of Fidelity Investments, Princeville … [Read more...]

Linear Generators Provide Reliability During Extended Outages

Microgrids are ideal solutions for businesses and organizations looking to keep the power on, particularly in California where increased wildfire risks are leading to a growing number of public safety power shutoffs. A new white paper from Mainspring Energy compares the economic and environmental impact of four different microgrid technology … [Read more...]

Linear Generators Fill Key Commercial and Utility Resource Gaps

Companies are looking to reduce their carbon footprint by integrating renewables into their distributed energy mix, which is driving the fuel-based distributed generation market to provide more flexible and dispatchable solutions. A new white paper from Mainspring Energy explores how linear generators can provide those flexible solutions for … [Read more...]