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Wärtsilä supplies 282 MW onsite power plant as data centers bypass the grid queue

Wärtsilä supplies 282 MW onsite power plant as data centers bypass the grid queue

Built World

Engine-based generation lets AI facilities come online in 18-24 months, versus years for grid connections

October 8th, 2026: Regulators propose shifting power costs to data centers

Overview

Updated Oct 8

Wärtsilä booked a 282 MW order to power a US data center with 15 natural gas engines, set for delivery in 2028 and full operation in 2029. The company is sold out for 2028 and now selling capacity for 2029 and 2030 as AI demand outstrips grid connections.

Developers use onsite engine plants to skip grid queues that stretch 80 months, reaching commercial operation in 18-24 months. Wärtsilä has sold more than 3 GW across seven US projects. Scrutiny is growing: Georgia fined two companies for unpermitted gas-engine construction, and regulators want data centers to pay more grid costs.

Why it matters

If behind-the-meter power becomes the norm, data centers stop waiting on grid upgrades — and utilities lose their fastest-growing customer class.

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Key Indicators

30-50%
New US data center builds off-grid
Wärtsilä CEO Håkan Agnevall's estimate of the share of new US data center builds running on off-grid or behind-the-meter power.

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People Involved

RP
Risto Paldanius
Vice President, Americas, Wärtsilä Energy
Leading Wärtsilä's US data center power business
N
Nevokshonoff
Analyst, Enverus Intelligence Research
Author of the behind-the-meter demand forecast
 Håkan Agnevall
Håkan Agnevall
President and CEO, Wärtsilä
Leading Wärtsilä as it sells out 2028 production capacity

Organizations Involved

Wärtsilä
Wärtsilä
Technology group / engine manufacturer
Supplier of the 282 MW onsite power plant

Finnish technology group that builds engine-based power plants for data centers and other industrial customers.
EI
Enverus Intelligence Research
Energy analytics firm
Published the behind-the-meter demand forecast

Energy analytics firm that tracks power markets and forecasts demand trends.
Schneider Electric
Schneider Electric
Electrical infrastructure company
Partner in the Generator-to-Chip approach with Wärtsilä

French multinational that provides electrical distribution, automation, and digital power management for data centers.
VoltaGrid
VoltaGrid
Gas engine power provider
Fined $11,500 by Georgia regulators for unpermitted construction

Provider of mobile gas engine power, fined alongside Serverfarm for building gas engines without permits in Newton County, Georgia.

Timeline

July 2025 October 2026

7 events Latest: October 8th, 2026 · 1 month ago
Tap a bar to jump to that date

  1. Regulators propose shifting power costs to data centers

    Latest Policy

    Federal and state regulators are proposing that data centers pay both their share of existing transmission networks and the incremental costs they add across the power system. Axios reported the plan reverses decades of federal pricing policy.

  2. Construction Review reports the 282 MW onsite power order

    Report

    Construction Review reported on the order, noting onsite power is emerging as a way for data center developers to address grid constraints.

  3. Georgia fines data center power builders for unpermitted construction

    Regulatory

    Georgia environmental regulators fined VoltaGrid $11,500 and Serverfarm $31,000 for building dozens of gas engines at a Newton County site without permits. The companies agreed to stricter emissions limits.

  4. Wärtsilä books new 282 MW order

    Order

    Wärtsilä booked a 282 MW onsite power order in Q3 2026 from a major US independent power producer for a data center project.

  5. Wärtsilä CEO says company sold out for 2028

    Corporate

    Håkan Agnevall told investors data center demand was holding up, with production sold out for 2028 and now selling 2029 and 2030 capacity. He estimated 30-50% of new US data center builds may be off-grid or behind the meter.

  6. Investors cautious on behind-the-meter data center power

    Market

    The Wall Street Journal reported private investment firms are hesitating on dedicated data center power projects, warning that strict reliability demands could leave behind-the-meter developers facing hefty financial penalties.

  7. Wärtsilä announces engines for Ohio data center project

    Announcement

    Wärtsilä announced a 282 MW data center power project in Ohio using 15 gas engines, its sixth US data center order.

Scenarios

1

Wärtsilä delivers 282 MW plant on schedule

Likely Resolves by End of 2029

Discussed by: Wärtsilä's press release states delivery in 2028 and full operation in 2029

The project follows Wärtsilä's stated timeline. Equipment ships in 2028, and the plant reaches full operation in 2029. The independent power producer then sells power to the data center operator under a long-term agreement.

2

Behind-the-meter power becomes the default for new data centers

Likely Resolves by End of 2028

Discussed by: Enverus Intelligence Research forecast

Enverus projects 25.5 GW of behind-the-meter demand from new US industrial facilities through 2030, nearly all from data centers. If this holds, Wärtsilä and competitors like Caterpillar and GE Vernova will see a wave of similar orders.

3

Grid interconnection reforms slow the BTM shift

Unlikely Resolves by End of 2028

Discussed by: PJM and FERC interconnection queue reform efforts

PJM and other grid operators are working to speed up interconnection. If reforms cut average wait times significantly, developers may return to grid connections, slowing the BTM trend.

4

FERC cost-shifting makes behind-the-meter power the default

Possible Resolves by End of 2027

Discussed by: Regulatory proposals reported by Axios

Federal and state regulators propose making data centers pay both existing transmission costs and the incremental costs they add across the power system. That would make grid connection pricier and could push more developers to onsite plants, cementing the shift Wärtsilä serves.

5

Behind-the-meter deals hit financing hurdles

Possible

Discussed by: The Wall Street Journal's reporting on private investment firms

WSJ reported private investors are hesitating on dedicated data center power projects, warning that strict reliability demands could trigger large penalties for developers. If financing tightens, some planned behind-the-meter plants may stall despite demand.

Historical Context

3 moments from history that rhyme with this story — and how they unfolded.

November 1978

Public Utility Regulatory Policies Act (1978)

Congress passed PURPA, requiring utilities to buy power from independent producers. The law created the first major market for cogeneration and small power plants.

Then

Independent power producers emerged, and natural gas cogeneration boomed in the 1980s.

Now

It broke the utility monopoly on generation and created the independent power industry that now builds data center plants.

Why this matters now

PURPA showed that opening the power market to non-utility generators can transform the industry. Today, grid constraints rather than regulation are driving the same shift.

2000-2001

California energy crisis (2000-2001)

Rolling blackouts and soaring wholesale prices hit California. Hospitals, universities, and tech companies invested in self-generation to keep operations running.

Then

Businesses installed backup and distributed generation to insulate themselves from grid failures.

Now

It demonstrated that grid unreliability pushes large power users to self-generate.

Why this matters now

The same logic applies today: when the grid can't deliver, big customers build their own power. Data centers face delays rather than blackouts, but the response is the same.

August 2003

Northeast blackout (2003)

A cascading blackout on August 14, 2003 left an estimated 55 million people without power across the northeastern US and Canada.

Then

Businesses invested in backup generators and microgrids to protect critical operations.

Now

It accelerated interest in distributed generation and grid resilience.

Why this matters now

The blackout showed how fragile centralized grids can be. Data centers today face a different problem — not blackouts but interconnection delays — and are responding with the same tool: onsite generation.

Sources

(11)
+5
Construction Review Online Wärtsilä Corporation Power Engineering Wärtsilä Microgrid Media DredgeWire Axios The Atlanta Journal-Constitution RCR Tech The Wall Street Journal Wärtsilä Corporation