Insight·Grid Services, Storage & VPP·21 August 2025

VPP Leads Where Regulation Remains Restricted

The technology behind virtual power plants is mature and broadly the same everywhere. So why do VPPs flourish in some markets and stall in others? The answer is rarely the hardware. It's the rules.

Topic
Grid Services, Storage & VPP
Published
21 August 2025
By
Grainne McDonogh
In short

VPP adoption is gated by market design, not technology. Where regulators let aggregated distributed resources register, bid into wholesale and ancillary markets, and earn fair payment for flexibility, VPPs scale quickly. Where rules still assume large central generators — minimum bid sizes, single-site metering, no aggregator category — the same proven technology stalls. The bottleneck is regulatory, and it's the part worth watching.

It’s easy to assume that the spread of any new energy technology is a story about engineering — better batteries, smarter software, cheaper sensors. With virtual power plants, that assumption is mostly wrong. The core technology is mature and, broadly, the same in every market. What differs — dramatically — is whether the local rules let that technology actually participate and get paid.

VPPs lead where regulation lets them, and stall where it doesn’t. The constraint is institutional, not technical.

Why regulation is the real gate

A virtual power plant only creates value if it can sell the flexibility it aggregates. That means it has to be allowed to participate in the markets where flexibility is bought — wholesale energy, capacity, and especially ancillary services like frequency response and reserve. Many of those markets were designed decades ago around a small number of large, centralised generators. Their rules quietly assume that participants are big.

That assumption shows up as concrete barriers:

  • Minimum bid sizes too large for an aggregator to meet without scale, or that exclude small distributed assets entirely.
  • Metering and telemetry requirements written for single large sites, awkward or impossible to satisfy across thousands of small ones.
  • No legal category for an aggregator — if the market has no definition of “a company that bids on behalf of many small assets,” there’s no clean way to participate.
  • Unclear or unfavourable payment for the services distributed resources are technically capable of providing.

Where these barriers fall, VPP businesses appear quickly, because the underlying assets and software are already there waiting. Where they remain, the same technology sits idle — not because it can’t do the job, but because no one can be paid for it.

The bottleneck for virtual power plants is rarely the battery or the algorithm. It’s whether the market has a door the aggregator is allowed to walk through.

What “good” regulation looks like

Markets that unlock VPPs tend to share a few features: a recognised aggregator role, bid sizes and product definitions that distributed resources can realistically meet, telemetry rules proportionate to small assets, and clear, fair compensation for the flexibility provided. None of this is exotic — it’s mostly a matter of updating market design to reflect that the resource mix has changed.

Why this matters for anyone building in the space

For developers, operators and investors, the practical lesson is that where you build a VPP can matter as much as how you build it. The same product can be a thriving business in one jurisdiction and a non-starter next door, purely because of market rules. Reading the regulatory landscape — and being ready to move when rules change — is part of the engineering of a VPP business, not a separate legal afterthought.

Where Full Stack Energy fits

Designing a VPP that can actually participate means building to the market’s rules as they are — and adapting fast as they evolve. We work across the technical and market layers together: the coordination software that aggregates distributed resources, and the participation logic that turns them into a market-ready resource. It’s the same systems thinking behind why VPPs went mainstream. If you’re navigating where and how to scale, let’s talk.

Scaling a VPP across different markets?

We work across the technical and market layers together — the coordination software and the participation logic that turns distributed assets into a market-ready resource. Let's talk about where and how to scale.