Soluna Holdings, Inc. is a digital infrastructure company specializing in transforming surplus renewable energy into computing resources. It operates modular data centers co-located with wind, solar, and hydroelectric power plants, supporting compute-intensive applications, including bitcoin mining, generative artificial intelligence (AI), and scientific computing. Its segments include Cryptocurrency Mining, Data Center Hosting, and High-Performance Computing (HPC). Its Soluna Cloud Services business provides HPC services to support generative AI workstreams and proprietary software MaestroOS helps to energize a greener grid while delivering computing solutions and superior returns. It offers colocation and hosting services for companies seeking to train large language models (LLMs), fine-tune existing artificial intelligence models, and deploy other compute-intensive AI or HPC workloads. It also provides hosting services to third-party Bitcoin mining customers at its data centers.