What We Are
Building Towards
Milestones, technical updates, press coverage and insight from the Tree Associates team as we progress from pilot to commercial scale.
Global Market for Modular CAES Storage
The market for long-duration, resilient energy storage is expanding rapidly worldwide. Research forecasts project the global long-duration energy storage (LDES) market to grow from about $4.8 billion in 2024 to ~$10.4 billion by 2030 (CAGR ≈14%). This growth is driven by surging renewable deployment and grid reliability needs. In the US alone, energy storage is projected to soar from $107 billion in 2024 to $1.49 trillion by 2034 (≈29% CAGR), reflecting massive investment in batteries, pumped hydro, and mechanical storage. Europe’s LDES market is also growing (forecast ~$1.13→$3.24 billion by 2023–2032, ~12.4% CAGR)credenceresearch.com. Australia’s storage market is expected to double from $7.8 billion in 2023 to ~$15.6 billion by 2032, underpinned by renewables growth. Emerging economies (e.g. India, Latin America) likewise project strong demand as they electrify and decarbonise.
Tree AirBattery: Modular CAES for Sustainable Mining
Mining operations face steep energy costs and reliability risks. Energy can account for roughly 30% of a mine’s operating expenses, and off-grid power can cost up to $300/MWh. Traditionally this demand is met with diesel generators, which are expensive to run and maintain, expose mines to fuel-price volatility and carbon taxes, and generate significant emissions. Batteries (lithium-ion) offer emissions savings but carry safety and lifecycle downsides: they degrade over years and can ignite, releasing toxic smoke in confined spaces.