Reliability Is the Real Constraint Summers evaluates every large-scale power decision against four pillars: legal, economic, sustainable, and reliable. In the current market, one dominates. Reliability — defined not merely as uptime, but as certainty of project execution — has become the industry’s most pressing problem. “There’s a lot of noise in the market,” Summers says. “The question is whether a project is real; whether it can be delivered on time, and whether it can maintain multiple nines once it’s operating.” Legal frameworks for behind-the-meter generation are largely settled. Economics matter, particularly across multi-year development cycles. Sustainability factors in, though in many cases it has been deferred behind more immediate concerns. Execution, by contrast, is now existential. Hyperscalers are no longer evaluating power sources alone: they are evaluating delivery credibility. From Megawatts to Certainty, Speed, and Risk Transfer Historically, data centers relied on utilities to supply three things together: energy, predictable timelines, and manageable risk. That bundle has broken down. Utilities face long interconnection queues, uncertain delivery dates, and rising infrastructure costs. For developers, that uncertainty has created what industry observers and stakeholders are starting to call a “power certainty premium,” i.e. a willingness to pay more for guaranteed timelines. GPC’s customers, Summers says, are no longer buying megawatts alone. They are buying speed to market, certainty of delivery, and risk transfer. “Even if the timeline isn’t shorter, they want a date certain,” he notes. “Utilities often can’t provide that today.” That evolution is driving demand for on-site, behind-the-meter generation, where developers control timelines and cost structures rather than waiting on grid expansion. Supply Chain as the New Critical Path Remove the grid and a new constraint appears: equipment availability. For GPC, the primary gating factor is supply chain; specifically the “prime mover,” the generation equipment itself. Large industrial turbines