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The new way to monetize flexibility.

Flexible battery storage for industry and business. Flexibility delivered as a service — from sizing to stable, recurring revenue.

Sourceful Energy Vault·Flexibility property owners trust
00 · Choose your pathOne platform · Three audiences
Property owners

New income, zero capex.

Zero capex. Fully managed. The battery flexes to your needs, from backup power to peak shaving. Our multi-market optimization drives the recurring stable revenue.

See if your property qualifies
Investors

Investable C&I storage at scale.

Standardized systems. 10-year operating contracts. Proven operator.

Talk to the team
Utilities / DSOs

Real-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.

Schedule a working session
01.5 · SpecializationComplete. Turnkey. Climate-smart.

Complete 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.

01 · ProblemDemand chargesRising grid feesIdle capacity

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.

€40B+

paid annually across Europe in commercial demand charges on peak power that lasts just hours

10.6%

grid fee increase in Sweden in 2025, the largest in 30 years

65-80%

of grid capacity unused in typical commercial buildings

02 · Solution

Flexibility as a Service

We size, deploy, 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.

01

We assess your property

We evaluate your building's load profile, grid connection, and peak demand to size the right system.

02

We plan and deploy

Together we find the model that fits best: zero capex, or own it yourself. We deploy the battery system behind the meter, sized to your load profile.

03

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.

04

We handle everything else

Monitoring, maintenance, insurance, and grid services are included. Years of experience operating and integrating market-leading battery brands.

Behind the meter

Behind every commercial property: operated flexibility, revenue from day one.

03 · OfferFlexibility for industrial and commercial properties

Revenue from day one. Operated by us.

Revenue from day one, whichever path fits. Flexibility delivered as a service. Together we pick the model that fits your balance sheet.

01 · Day one

Revenue from day one

Zero capex, or own it yourself. Either way, Sourceful operates it.

02 · Property value

Higher property value

Recurring battery revenue compounds into property value at your market's prime yield.

03 · Apply

Check your property

Start your application
04 · FootprintWhere we operateNorthern Europe

Live in Sweden. Building out across Europe.

Operating today with utility partners in southern Sweden. Norden next, broader Europe on the roadmap.

01 · Sweden
⡡⠊⢔⠡SE4

Sweden

Active

Multi-market optimization (MMO) combined with smart behind-the-meter dispatch. Live.

02 · Nordics
○Norden

Nordics

Next

Norway, Denmark, and Finland. Scaling Nordic utility partnerships and ancillary service markets.

03 · Europe
○Europa

Europe

Roadmap

Germany, the Netherlands, and the UK on the roadmap. Large C&I markets with rising demand charges and grid congestion.

05 · Platform

Real-time meters. Your brand.

Your customers see their energy use in real time, in an app under your own brand. AI-driven energy insight, P1/HAN data and a platform ready in days.

⠀⠀⠀⠀Live · Kalmar Energi

“With the Zap we give our customers a tool to understand and influence their electricity usage.”

— Per-Martin Carlsson, Marketing Director, Kalmar Energi
Launched23 February 2026
Deployed ahead ofSweden's autumn 2026 residential effektavgift
IntegrationP1 / HAN port, installs in minutes
Read the press release
01 · Live

White-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.

02 · Two-stage

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.

03 · World-leading brands

OEM device support out of the box.

We work with world-leading hardware brands and partners.

Explore the platform
Get started

Rather talk it through first?

Book a 30-minute intro and we'll walk through the numbers for your sites together. No pressure, no slides you don't need.

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Sourceful Energy

Commercial battery infrastructure from Sweden. We size, deploy and operate battery systems at commercial properties, reducing grid costs and increasing property value.

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Monthly updates on commercial battery deployments, grid economics, and energy infrastructure.

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All savings, costs, and financial figures shown are estimates for illustrative purposes only. Actual results depend on your specific setup, energy consumption patterns, electricity prices, and local regulations. This content is provided for informational purposes only and does not constitute financial, investment, or legal advice.