DayOne inks MoU with Blue Whale Energy to explore feasibility of a distributed virtual power plant in Singapore

DayOne’s latest move—signing a non‑binding MoU with Singapore‑based Blue Whale Energy to study a distributed virtual power plant (VPP)—is a clear signal that data centre operators are finally waking up to the fact that power isn’t just a utility bill line item. It’s a strategic asset, and the way you manage it can make or break your bottom line. For independent providers, the lesson is simple: if you can’t control your own electricity, you’re at the mercy of the grid’s volatility and the hyperscalers’ price‑gaming.

Why a VPP matters for a data centre

DayOne’s SG1 facility, slated for commercial launch early next year, will be a 20 MW operation covering roughly 40,000 square metres. That’s a hefty load, and the company has already locked in a ten‑year power purchase agreement with Sembcorp Power. But a PPA alone doesn’t protect you from the spikes that hit the grid when demand surges or when a sudden outage forces the market into emergency pricing. A VPP, by aggregating battery storage across the data centre and nearby commercial and industrial sites, can shave load at critical moments, keeping the grid happy and the bill flat.

Blue Whale Energy’s pitch is that a distributed battery energy storage system (BESS) can act as a single flexible resource. In practice, that means you can pull power from the grid when it’s cheap, charge the batteries, and then discharge when the market tightens. The net effect is a more predictable cost curve and a hedge against the kind of price spikes that have left many hyperscalers scrambling for backup diesel generators.

Technical scope of the study

The MoU calls for a front‑end engineering design study covering storage configuration, safety, metering, telemetry, controls, and operational safeguards. Those are the nuts‑and‑bolts that separate a theoretical VPP from something you can actually run in production. DayOne’s plan to use hybrid air and liquid cooling and even on‑site fuel cells adds layers of complexity that demand rigorous telemetry and real‑time control loops.

What’s missing from the announcement is any detail on the size of the battery fleet they intend to aggregate. That’s deliberate; the MoU is non‑binding and the study is still in the conceptual phase. Still, the fact that they’re looking at “suitable third‑party commercial and industrial sites” suggests they’re counting on existing BESS assets in Singapore’s growing renewable portfolio to supplement whatever they install on‑site.

Regulatory and market participation hurdles

DayOne and Blue Whale also say they’ll engage with authorities and market stakeholders to map out the technical and market participation requirements. Singapore’s Demand Response and Interruptible Load programmes are on the table. Those schemes reward participants for cutting consumption when the grid is under stress, but they come with strict reporting and reliability obligations.

For an independent operator, the takeaway is that any VPP effort must be built with compliance in mind from day one. The cost of retrofitting telemetry or missing a reporting deadline can quickly eclipse any savings you hoped to capture. In the past, we’ve seen providers get slapped with penalties for failing to meet grid operator’s frequency response standards—something you can’t afford when you’re already fighting against the hyperscalers’ economies of scale.

Business risk mitigation

From a risk perspective, a VPP is a hedge against both price volatility and supply interruptions. DayOne’s decision to anchor the VPP at SG1—its first data centre to use on‑site fuel cells—means they’re already diversifying their power mix. Adding a distributed battery layer creates a buffer that can smooth out the spikes that would otherwise force you to buy expensive spot market power.

Independent providers often operate on razor‑thin margins, and a sudden surge in electricity cost can push you into the red. By participating in demand‑response programmes, you can also generate ancillary revenue streams. The MoU’s focus on “technical, operational, and commercial arrangements” hints that they’re looking at a model where the VPP could be monetised beyond just cost avoidance.

What this means for the Singapore market

Singapore’s data centre market has been dominated by hyperscalers and large multinational REITs that can negotiate bulk power contracts. DayOne’s move signals a shift: smaller, independent players are looking for ways to level the playing field by leveraging technology rather than sheer buying power. If the study shows a viable path, we could see a wave of similar VPP pilots anchored at other mid‑size facilities.

The broader impact could be a more resilient grid. Distributed storage can defer the need for new transmission capacity, a cost that traditionally gets passed down to all consumers. In a market where the government is keen to keep electricity affordable for its digital economy, a successful VPP pilot could attract policy support and possibly subsidies for battery deployments.

Practical steps for founders

If you’re running a data centre and the idea of a VPP sounds appealing, start with a clear inventory of existing battery assets you can tap—whether on‑site or at nearby industrial partners. Map out the load profile of your facility and identify the peak windows where demand response could be most valuable. Then, engage a specialist like Blue Whale early to scope the telemetry and control architecture; you’ll need sub‑second response times to be credible to the grid operator.

Don’t overlook the contractual side. A ten‑year PPA, like DayOne’s with Sembcorp, provides price certainty but can also lock you into a fixed consumption pattern. Build flexibility into that agreement where possible, and negotiate clauses that allow you to feed stored energy back into the grid under demand‑response schemes.

Bottom line and next moves

DayOne’s partnership with Blue Whale is a pragmatic experiment, not a hype‑driven announcement. It’s grounded in the reality that power costs are a major risk factor for independent data centre operators. By exploring a distributed VPP, they’re trying to turn a cost centre into a strategic asset. For founders watching from the sidelines, the message is clear: if you can’t control the grid, you control the risk.

Keep an eye on the outcome of the engineering study. If the technical and commercial models prove viable, the next logical step will be a pilot rollout—likely starting with a modest battery capacity and scaling as the control systems prove themselves. That’s where the rubber meets the road, and where you’ll see whether the VPP can actually deliver the promised savings and revenue. Until then, start laying the groundwork: audit your power usage, map potential battery partners, and get your compliance team ready for the regulatory dance.

— Allan Ali, Founder

This article was produced with AI-assisted research and editorial support. Reporting is based on the source material cited below. Sources: Data Center Dynamics; datacenterdynamics.com; Global1.News (31 October 2026).

By Allan Ali, Global1.News