Endra Power Studio Puts Electrical Design on a One-Day Clock

Endra launched Power Studio on September 14, 2026, and says a 500,000-square-foot commercial building can now get a full electrical design in less than a day.

The Stockholm company bought Swiss AI lab Planlabs in the same announcement, moving from power systems into mechanical work, with plumbing still dated to 2027. Traditional electrical design for a building that size takes around two months.

Endra Put Electrical Design on a One-Day Clock

Power Studio is an agentic electrical platform: engineers set project rules, hand tasks to software agents, and review the output as it is produced. Design, calculations, simulation and drawings sit in one system instead of a chain of calculation tools, CAD files and disconnected schedules.

Endra, founded in late 2024 by Niklas Lindgren, Anton Juric, David Rydberg and Gustav Hammarlund, sells to mechanical, electrical and plumbing consultancies rather than to architects. Lindgren and Juric previously built and sold Sectragon, a commercial security-systems firm, in 2022. Rydberg and Hammarlund came from Goldman Sachs’s low-latency trading desk in Stockholm. Lindgren wrote on X, as @niklaslindgrenn, that the four of them started the company in an unheated wine cellar in Stockholm without any lights.

By December 2025 the company had a waiting list of more than 600 firms from over 90 countries. Juric, now president, has named AtkinsRéalis, Ramboll, Buro Happold, WSP, Hoare Lea and AFRY among early enterprise customers. On July 31, 2026, Endra opened New York, San Francisco and London offices and said it was hiring toward 100 people. The electrical module is the product those offices now have to sell.

Andreessen Horowitz led a $50 million Series A on June 1, 2026, after a $20 million seed in December 2025 from Notion Capital and Norrsken VC and a €3 million ($3.4 million) pre-seed in May 2025. Lindgren put total funding at $74 million.

The Hours That Used to Justify the Fee

MEP consultancies still grow by hiring people who click through floor plans. Lindgren’s pitch is that each engineer should cover far more floor area, so the firm scales through software instead of headcount. That sounds like a gift to a short-staffed industry. It also lands on a fee model built around time.

Joe Schmidt, David Haber and colleagues at a16z described MEP design as a $150 billion-plus services market constrained by how many engineers a firm can put on drawings. Most of that work, they wrote, is not done inside Autodesk Revit. It is done by teams, often offshore, translating specifications into layouts and paperwork that then have to be checked and revised. Firms sit on backlogs they cannot take because they do not have the people.

If a 500,000-square-foot electrical package really does fall from two months to a day, two things can happen at once. The firm can say yes to jobs it used to turn away, which is the investor case. Clients can also start asking why a day of machine routing still bills like a quarter of staff time. Playbooks, Endra’s templates for a firm’s own standards, are the company’s answer: the consultancy’s product becomes judgment, encoded, not hours on a timesheet.

TWO MONTHS VERSUS ONE DAY

Junior staff currently learn the trade by doing the routing and the schedules that the agents now claim. If that grind goes, the training ladder goes with it, unless firms rebuild it around review and exception handling. That is a management problem Endra does not have to solve. The consultancies do.

What Power Studio Hands Back to the Engineer

Engineers upload a building model, pick codes and system types such as lighting, power distribution or fire alarms, and let the platform rebuild the job in its own 3D model. Lindgren has said Revit’s data model is too coarse for deep automation, so Endra built a finer geometry layer and still writes back into Revit, which remains the file clients expect.

The stack is a hybrid. Large language models read what a building is for and pull design parameters from the brief. Deterministic code and a physics engine then place equipment and route conduit against physical limits and building codes. Lindgren told interviewers the language models help identify room types, objects, and how the architect thinks the building should be used. Customer data, Endra says, is not used to train its models, and engineers keep sign-off at every stage.

WHAT THE DOCUMENT ENGINE SPITS OUT

• Revit models: Coordinated 3D files the rest of the project team already knows how to open.
• Single-line diagrams: The one-page power maps contractors and reviewers actually stamp.
• Shop drawings: Installation-level sheets that used to lag the design by weeks.
• Panelboard schedules: Circuit-by-circuit lists tied to the live model, not a sidecar spreadsheet.
• Bills of materials: Quantities that move when the routing moves, so the takeoff is not a second project.

Playbooks apply a firm’s standards across those workflows. Agents handle jobs such as routing and unit placement. Type Rooms lets one approved room layout copy across matching rooms in the same building, which is how a hotel or lab floor stops being redrawn 40 times. A clean digital route still has to survive the slab that was poured high, the beam that moved on Tuesday, and the switchgear that arrived as a different SKU. The model is a proposal. The building is the test.

Playbooks Encode a Firm’s Standards Across Every Job

Lindgren is selling control, not a black box, because the stamp on the drawing is still a licensed engineer’s. The repetitive placement is what he wants off the desk.

Endra takes care of the repetitive work, and gives the engineers back the time for judgment and design. A firm’s engineering judgment is its product, and Playbooks let a firm hold that as a standard its whole team designs against, with the engineer setting the requirements and signing off at every stage

Niklas Lindgren, CEO and co-founder of Endra, at the Power Studio launch

That line is also a commercial trap in the firm’s favor, if it works. Once a consultancy’s rules live inside Endra, switching tools means rebuilding the standard. The same lock-in Autodesk enjoys through Revit families would then sit one layer up, in the engineering playbook rather than the geometry file. Toronto’s Augmenta has already shown overnight routing of electrical containment on a data-center job, so Endra is not alone in this wedge. The difference it is betting on is a full electrical studio, with calculations and stamped paperwork in the same loop, rather than a routing specialist sitting beside Revit.

Planlabs, Ductwork and a Plumbing Date in 2027

Electrical is the live product. Mechanical was the hole. Planlabs, founded in Switzerland in 2024 and based in Aarau, builds generative design that uses geometry, data and physics engines to lay out building systems. Its five-person team, led by co-founder and CEO Rea Sodero and co-founder and CTO Olivier De Deken, will join Endra. The idea began at Swiss engineering firm Hefti Hess Martignoni, which had a prototype before spinning the work out. A seed round in November 2025 brought in the Aargauische Kantonalbank and private investors. Endra did not disclose the purchase price.

Sodero said Planlabs was founded on the idea that mechanical engineering could be approached differently, using automation to generate coordinated, collision-free systems while engineers retain control. With Endra, she said, the team had the reach to take that to engineers around the world and to build a platform that covers every MEP discipline. Endra still plans a plumbing module in 2027, which means two of the three letters in MEP remain unfinished after this launch.

Planlabs’s own site puts errors that consume 20% of contract value on the design phase, and attributes 46% of a building’s greenhouse-gas load to its technology systems. It also says 60% of construction companies report delays from labor shortages. Those figures are Planlabs’s, not a third-party audit. They explain why Endra paid for a five-person lab instead of waiting to grow a mechanical engine in Stockholm: if power is fast and air is slow, the project still waits on ducts.

FROM A STOCKHOLM CELLAR TO AREA15

1. Late 2024: Lindgren, Juric, Rydberg and Hammarlund start Endra in Stockholm.
2. May 2025: Pre-seed of €3 million ($3.4 million) lands.
3. December 2025: Notion Capital leads a $20 million seed; the waitlist already tops 600 companies.
4. June 1, 2026: Andreessen Horowitz leads the $50 million Series A, taking disclosed funding to $74 million.
5. July 31, 2026: Endra opens in New York, San Francisco and London.
6. September 14, 2026: Power Studio and U.S. commercial availability debut at Epoch; Planlabs is folded in.
7. 2027: A plumbing module is scheduled, completing the three-discipline pitch if it ships.

In December 2025 Lindgren still talked about adding HVAC and plumbing within a year. The mechanical answer is now an acquisition, and plumbing slipped to 2027. Speed on electrical did not automatically produce the other two trades.

Las Vegas, the Night Before Autodesk University

Endra staged the launch at AREA15 in Las Vegas, doors at 4:30 p.m. and a 5:00 p.m. PT start, the night before Autodesk University. Speakers included Garry Kasparov on AI and human judgment, Johnson Controls CEO Joakim Weidemanis, Motif CEO Amar Hanspal, and Lindgren. Hanspal, a former Autodesk chief, is building a cloud BIM platform that tries to replace Revit rather than sit beside it. Endra’s choice is the opposite: keep Revit as the file of record and take the engineering work that happens around it.

The Epoch event in Las Vegas was the U.S. coming-out after months of European consultancy pilots. Juric has been running the American push from New York, arguing that enterprise trust is won in the room. Lindgren’s line for the night was that the industry had spent 25 years waiting for software that understands the actual engineering work, and that the wait was ending. Autodesk bolted MEP tools onto Revit in 2007 and still owns the classroom-to-office pipeline. Endra is not asking those classrooms to switch. It is asking the people who already know Revit to stop doing the tedious third of the job by hand.

Schmidt, Haber and the a16z team put numbers on that tedium. Construction professionals, citing Autodesk and FMI, spend 35% of their time, over 14 hours a week, on non-productive work such as hunting for information and fixing mistakes. In the United States, rework, miscommunication and data-chasing cost $177 billion a year, and more than 70% of that rework traces to design errors. Eighty-five percent of construction projects overrun their budgets, and three quarters finish late. Those are industry figures, not Endra case studies. They are why a one-day electrical pass, if it holds up in the field, is worth a $50 million round.

The Bottleneck That Builds Every Data Center

Global construction is about $13 trillion of annual construction spend. The slice Endra wants is the MEP consultancy layer sitting under data centers, hospitals, electrified offices and net-zero retrofits. Revit, launched in 1997 and bought by Autodesk in 2002 for $133 million, does roughly $3 billion in annual recurring revenue and holds over 95% of BIM authoring, according to that a16z note. Endra’s bet is that you do not have to break that monopoly to bill against the services budget around it.

PRESSURE ON THE QUEUE

• MEP services: A $150 billion-plus global market that still grows by hiring, not by software.
• Contractor backlog: Associated Builders and Contractors put U.S. nonresidential backlog at 8.5 months in August 2026.
• Data-center premium: ABC members with data-center work carried 9.9 months of backlog, against 8.3 months for those without, and about one in six members had such work under contract.
• Waitlist: More than 600 companies from over 90 countries had already lined up for Endra by late 2025.

Lindgren has tied the product to compute, not just to office towers. “If we can get more data centers out on market faster, that’s incredible,” he said, arguing that quicker halls mean more training runs for the same model labs that cannot staff enough electrical designers. That loop is neat on a slide. It still depends on a stamped set of drawings that a contractor will build, and on mechanical and plumbing catching up so the electrical win is not stranded at the riser.

Power Studio is for sale now. The Planlabs engine is not yet the mechanical product those same firms will open tomorrow, and plumbing remains a 2027 line on a roadmap. For a consultancy that bills months against a 500,000-square-foot power package, the question is no longer whether the agents can draft. It is what the firm sells when the draft takes a day.