Wattilla

Energy Storage & Renewables Marketplace

Buy, sell and source energy projects, BESS systems and services — any technology, worldwide.

6 results30+ countries12+ GWh total capacity listed
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⚠️TEST DATA — Not a real listing, for demonstration only

EPC contractor specializing in utility-scale BESS in CEE. Markets: PL, CZ, SK, HU, RO. Services: civil, electrical, BESS installation, grid connection, commissioning. Track record: 600 MWh delivered. Bankable contracts, performance bonds available.

Service
1 week ago

⚠️TEST DATA — Not a real listing, for demonstration only

Independent technical due diligence for BESS asset acquisitions and financing. Scope: technology review, state-of-health assessment, grid contract analysis, revenue forecast validation, capex/opex benchmarking. Lender and equity mandates. >30 transactions completed.

Service
1 week ago

⚠️TEST DATA — Not a real listing, for demonstration only

Active asset management and trading optimization for BESS owners. Services: FCR/aFRR/mFRR portfolio management, energy arbitrage, intraday trading, forecasting and battery degradation minimization. Current AUM: 350 MW. Nordic and European markets covered.

Service
1 week ago

⚠️TEST DATA — Not a real listing, for demonstration only

Specialist grid integration and commissioning services for utility-scale BESS. Expertise: PCS tuning, grid code compliance testing, FCAS and FCR pre-qualification, EMS optimization. ISO-certified team with 15+ GWh commissioned. Available across Europe and UK.

Service
1 week ago

⚠️TEST DATA — Not a real listing, for demonstration only

Specialized consultancy for energy storage project development. Services: site identification, grid studies, revenue modelling, technology selection, procurement support and lender technical advisory. Served 40+ clients across Europe and MENA. Fixed fee or success-based engagement.

Service
1 week ago

⚠️TEST DATA — Not a real listing, for demonstration only

Comprehensive O&M services for BESS assets across Europe. 24/7 remote monitoring, preventive and corrective maintenance, cell replacement, BMS and EMS updates. SLA-backed response times. Currently managing 1.2 GWh of assets across 8 countries. Minimum 10 MW per contract.

Service
1 week ago