Sentinel logo in white

What if your electricity bill could fall to almost zero?

Sentinel™ is the intelligent layer that helps your solar and battery work harder, earn smarter and look after itself.

Effortless Optimisation. Monitored by experts. Free for 6 months.

Solar alone is good. Solar with Sentinel™ is transformative.

Most solar systems reduce bills. Very few are actively optimised. Energy pricing changes daily. Grid opportunities come and go.
Systems drift, performance slips. Without active optimisation, you leave money on the table.

Sentinel™. Your energy’s quiet guardian.

Sentinel™ sits on top of your solar and battery system.

It does not replace your hardware. It enhances it.

It monitors performance. It identifies opportunities. It optimises remotely.

In most cases, you do nothing.

Your system works harder. Your bills fall further.
Your peace of mind increases.

Lower energy bills

Earn from stored energy

Continuous professional monitoring

Your system is never left
on its own.

Every Sentinel package includes Sentinel Protect as standard.
That means real people keeping an eye on your system, spotting issues early and fixing problems before they affect performance.

How far do you want to go?

Different homes need different levels of optimisation. Sentinel offers three clear options, dependent on your energy tariff, system and the level of optimisation you need.

Sentinel Protect

Professional system care and monitoring

Features

Earn from
my battery

Features

Sentinel Optimise Logo

Aim for near-zero electricity bills

Features

Compare Sentinel plans

All Sentinel plans include professional monitoring and remote system care.

The difference is how actively your system is optimised.

Sentinel Protect
Sentinel Optimise Logo

Best Suited Tariffs

All tariffs

Standard and half hourly

Dynamic tariffs like Octopus Flux

Primary Purpose

Professional system care

Extra income from grid events

Maximum savings

Daily Bill Savings

Export Earnings

Grid Income

Predictable Returns

System Optimisation

Human Monitoring Included

Remote Fixes and Updates

Larger or more complex systems?

Sentinel also supports commercial sites, schools and multi-building estates, with bespoke optimisation and long-term partnerships. If your system is more complex, we’ll tell you what’s sensible — and what isn’t.

Register Your Interest

Enter your details to begin your journey to lower energy bills

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