AI / Bitcoin compute · since 2024
Soluna Holdings
Green data centers for AI and Bitcoin. 3.3 MW Project Sophie hosting with KULR (Oct 2025).
Soluna (Nasdaq: SLNH) co-locates compute with stranded renewables. Oct 2025: 3.3 MW hosting at Project Sophie with KULR. After Q2 2026 KULR sold remaining BTC to repay a $20M Coinbase loan and shifted to the operating battery business. Soluna itself is an AI/BTC compute operator, not a battery peer.