Green Dreams, Paid Monthly – The Rise of Energy-as-a-Service

How eEnergy and Redaptive are changing the rules of engagement (and repayment) for energy efficiency upgrades

Let’s face it – we’d all love a building that practically runs itself on sunshine and a clean conscience. But upgrading your office building to something worthy of a sustainability Pinterest board doesn’t come cheap. Solar panels, LED lighting, EV chargers… none of it screams “budget-friendly”.

So, what’s a business to do when it wants to save the planet but also keep the finance team from having a nervous breakdown? Enter: Energy-as-a-Service, or as it’s affectionately known in the world of acronyms, EaaS.

A partnership between UK-based eEnergy and US firm Redaptive is offering a new way to fund energy efficiency upgrades – without the usual financial headache. Rather than paying a chunky bill upfront, companies can spread the cost over time, keeping their capital intact while rolling out the upgrades. Less debt, fewer delays, and no need to host weekly cake sales to finance a boiler.

Meet the EaaS Power Couple: eEnergy + Redaptive

eEnergy is in the business of helping other businesses cut their energy use – think solar panels, snazzy new lighting, EV chargers – the usual suspects. But their clients often stumble at the same hurdle: the hefty upfront cost.

That’s where Redaptive steps in in – like an energy godparent with a chequebook. It funds the upgrade, the customer repays over time, and eEnergy gets on with what it does best – delivering and maintaining the kit.

Their recent partnership means Redaptive will supply up to £100 million to fund projects here in the UK. eEnergy, in turn, gets to scale up without emptying its own wallet. Everybody wins – especially the National Grid.

How It Actually Works

Imagine a business wants to install £250,000 worth of energy-saving technology. Here’s how EaaS handles that:

1. The business pays nothing upfront.
2. Redaptive covers the full installation cost.
3. The business repays over time – usually in fixed payments or tied to energy savings.
4. eEnergy delivers the solution and sticks around to keep things ticking along.

It’s a bit like leasing the kit instead of buying it – the upgrades go in, the savings begin, and the cost gets smoothed out over time. No capital tied up, no new debt, and no explaining to the CFO why the lighting system cost more than last year’s bonuses.

Crucially, this isn’t a bank loan. There’s no debt on the customer’s balance sheet, and no need to secure it against the building just to upgrade the lighting inside it.

But Wait – Doesn’t eEnergy Already Have a Bank Facility?

It does. A £40 million revolving credit facility with NatWest, mainly used to fund projects in schools and the public sector. That’s more traditional: borrow, install, repay with interest.

But banks don’t always offer the flexibility you need when scaling fast. Loans sit on the balance sheet. They require security and can limit borrowing capacity.

With Redaptive’s model, eEnergy doesn’t borrow a penny. It gets paid to do the work while someone else handles the capital. It’s cleaner, leaner, and (crucially) off balance sheet.

So,Who Else is Playing The Game?

In the US, Redaptive has company. Metrus Energy, Sparkfund, and AlphaStruxure (of Schneider Electric fame) are also running with the EaaS baton.

In the UK, we’ve got Zestec Renewable Energy and Gridserve, among others, offering structured finance for energy upgrades – often backed by infrastructure funds or pension money looking for stable, green-ish returns.

Why is this catching on?

• It removes the upfront cost.
• It speeds up decision-making.
• It provides steady, long-term income for investors.
• And it makes CFOs feel like sustainability heroes without pulling out their chequebooks.

Why It Matters

The climate crisis isn’t pausing for budgeting season. And while government grants and bank loans have a role to play, they don’t always fit the needs of growing businesses under pressure to go green.

EaaS is emerging as a savvy alternative – one that gives companies a way to hit net zero goals without hitting the overdraft. eEnergy and Redaptive’s deal is among the first in the UK of this size and scale – but you can bet it won’t be the last.

The Last Word

If you’ve ever looked at your electricity bill and thought “this feels like paying for central heating by burning cash,” you’re not alone.

The EaaS model won’t solve everything, but it does offer a new way forward: clean tech, paid monthly. For businesses, it’s a rare treat – lower emissions and better cash flow. And for eEnergy, it’s a bold move that just might power the next wave of British energy efficiency.

And with £100 million to get started? Let’s just say the lights are very much on.