AirAC provides an open‑source compressed‑air energy storage system that repurposes existing high‑pressure gas pipelines and underground caverns to store surplus renewable electricity as high‑pressure air. The platform includes reversible compressor/turbine units, a cloud‑based AI‑optimized control layer and standardized APIs, enabling grid operators and renewable producers to deliver dispatchable, CO₂‑free power at scale.
Funding
Funding not disclosed
Founders
Product
Problem
Excess electricity generated from renewable sources often faces negative market prices, while existing grid infrastructure lacks cost‑effective, large‑scale storage to balance supply and demand. Conventional storage solutions require new construction, high capital expenditure, and can involve carbon‑intensive processes, limiting the transition to a fully decarbonized power system.
Solution
AirAC offers an open‑source compressed‑air energy storage (CAES) platform that converts surplus electrical power into high‑pressure air stored in the extensive, underutilized natural‑gas pipeline and cavern network. By repurposing this existing infrastructure, the system provides dispatchable, CO₂‑free energy without the need for new civil works. A digital control layer optimizes charge‑discharge cycles, integrates with renewable generators, and exposes open APIs for grid operators and third‑party developers. The modular design allows incremental scaling from community‑level installations to national‑scale storage hubs, fostering collaborative development and transparent technology adoption.
Target Audience
Primary customers are electric grid operators, renewable power producers, and energy cooperatives seeking large‑scale, low‑cost storage solutions, as well as research labs and municipalities interested in deploying open‑source CAES technology.
Features
- Utilizes existing high‑pressure gas pipelines and underground caverns as a distributed air‑storage reservoir, eliminating new excavation costs
- Reversible compressor/turbine units convert electrical energy to compressed air and back to electricity with high round‑trip efficiency
- Open‑source hardware schematics and software stack (including PLC logic, SCADA dashboards, and predictive analytics) hosted on a public repository
- Cloud‑based energy management platform employing AI‑driven optimization for charge timing, pressure regulation, and ancillary service provision
- Standardized FERC/ENTSO‑E‑compatible API for real‑time data exchange, market participation, and integration with renewable forecasting tools
- Modular containerized units enabling rapid deployment, capacity scaling, and easy maintenance across diverse site conditions
- Built‑in safety and compliance modules adhering to pressure vessel standards and grid interconnection codes
- Community governance model allowing research institutions, utilities, and cooperatives to contribute enhancements and share operational data