New income, zero capex.
Zero capex. We take end-to-end ownership. The battery flexes to your needs, from backup power to peak shaving. Our multi-market optimization drives the recurring stable revenue.
Operating sites in Sweden SE4.
See if your property qualifiesBankable battery infrastructure.
Standardized systems. 10-year operating contracts. Proven operator.
Platform live in 20+ countries since 2022. Backed by Crucible, Eviny, Variant.
Talk to the teamReal-time data. Your customers.
Your customers see their consumption and flexibility potential in real time. We deliver the full stack, from meter to insight. Your brand, our infrastructure.
Partners: Kalmar Energi, Oskarshamns Energi.
Schedule a working sessionComplete energy storage
Turnkey delivery
Lower climate impact
We specialize in complete, turnkey battery storage solutions for commercial properties. A new opportunity for forward-thinking owners to lower the climate impact of their buildings.
Demand charges are rising. Your electricity cost doesn't have to.
Across Europe, commercial properties pay for peak power that lasts just hours. The fix used to require capex. We changed that.
paid annually across Europe in commercial demand charges on peak power that lasts just hours
grid fee increase in Sweden in 2025, the largest in 30 years
of grid capacity unused in typical commercial buildings
Flexibility as a Service
We finance, install, and operate a battery system behind the meter at your property. You save on demand charges from day one, with no capex and no operational burden.
We assess your property
We evaluate your building's load profile, grid connection, and peak demand to size the right system.
We plan and install
Together we find the financing model that fits best: Sourceful direct, SPV, or owner-owned. We install the battery system behind the meter, sized to your load profile.
Various benefits for the property
New rental income from underutilized capacity in the property. Higher property value when the existing grid connection becomes a revenue-generating asset. Backup power for tenants. No waiting for grid upgrades.
We handle everything else
Monitoring, maintenance, insurance, and grid services are included. Years of experience operating and integrating market-leading battery brands.
Behind every commercial property: operated flexibility, revenue from day one.
Revenue from day one. Operated by us.
Revenue from day one, no matter how the battery is owned. We take end-to-end ownership. Together we pick the financing model that fits your balance sheet.
Revenue from day one
Zero capex. Three ownership models to choose from: Sourceful direct, SPV, or owner-owned.
Higher property value
Recurring battery revenue compounds into property value at your market's prime yield.
Live in Sweden. Building out across Europe.
Operating today with utility partners in southern Sweden. Norden next, broader Europe on the roadmap.
Sweden
ActiveMulti-market optimization (MMO) combined with smart behind-the-meter dispatch. Live.
Nordics
NextNorway, Denmark, and Finland. Scaling Nordic utility partnerships and ancillary service markets.
Europe
RoadmapGermany, the Netherlands, and the UK on the roadmap. Large C&I markets with rising demand charges and grid congestion.
White Label
Our platform also runs as a service for utilities and installers. Live in Kalmar, ready in days, priced as software.
“With the Zap we give our customers a tool to understand and influence their electricity usage.”
— Per-Martin Carlsson, Marketing Director, Kalmar EnergiWhite-label platform for utilities
Kalmar Energi launched the Zap to their residential customers in February 2026, ahead of Sweden's autumn 2026 effektavgift. Real-time P1/HAN visibility, installed in minutes.
Onboarding by us, data into your app
Customers pair the Zap in the Sourceful app. Once live, telemetry flows through Nova Core into your own consumer app via API. You keep the brand. We own the fiddly bit.
OEM device support out of the box
Sungrow, SolarEdge, Huawei, Deye, Fronius, SMA and more. Modbus, MQTT, OCPP, P1. One gateway across the fleet, one API for your retail arm.