Data Centers

A Tier III or Tier IV data center sells uptime. The moment that promise breaks, SLA penalties start and clients start calling. Every serious facility behind that uptime guarantee runs at least N+1 generator redundancy, and most hyperscale campuses push to 2N because a single-path power failure in a critical load zone is not recoverable quickly enough. We finance the full backup power stack for colocation facilities, cloud edge nodes, enterprise data halls, and carrier hotels, from $50k single-set installs up through multi-megawatt paralleled fleets.

The kW requirement for a data center is not negotiable. You either have the capacity to hold your critical load through a grid outage or you do not. Banks that treat generators as generic equipment miss that the set has to be sized against the IT load, the mechanical load, and the lighting and life-safety load simultaneously, and that the ATS transfer time has to match the UPS ride-through window. That spec conversation is one we know well, and we fund around it, not against it.

Data center generator projects typically fall in our sweet spot of $100k to $1.5M per set, often structured as a package with automatic transfer switch financing and sub-base fuel tank financing on a single deal. New Tier 4 Final iron or low-hour used sets, B and C credit considered, application-only up to roughly $400k, and we fund in about one to two weeks.

What the Power System Actually Looks Like

Most data centers do not run a single generator. A 2MW critical load facility will typically deploy multiple sets, often 1MW or 1.5MW diesel units from manufacturers like Caterpillar, Cummins, or MTU, paralleled through a common bus so any single set can be taken offline for maintenance without dropping the load. The paralleling system is as important to finance as the sets themselves because it is the infrastructure that makes N+1 real.

Transfer switch timing matters here in a specific way. Most modern UPS systems provide a 10 to 20 second ride-through window. The generator must reach stable voltage and frequency and the ATS must close before that window expires. That requirement drives specifiers toward larger sets with faster response profiles, not smaller sets running harder, which is why data center generator projects skew toward the top of the kW range for a given facility footprint.

Sub-base day tanks and belly tanks extend runtime without requiring external fuel delivery during a prolonged outage. NFPA 110 and many state energy codes require a minimum runtime of 96 hours for mission-critical facilities, and some hyperscale operators demand 7 to 14 days of on-site diesel storage. Financing the full fuel system alongside the sets in one package avoids the gap where a facility has installed generators but lacks the tank capacity to actually run them through a real outage.

Enclosures and sound-attenuated housing add cost in urban data center environments where zoning limits noise output. We fold generator enclosure financing into the same deal structure so the permit-ready package gets funded as a unit, not as separate line items chasing separate approvals.

How We Structure a Data Center Generator Deal

The first question is total project cost, not just the genset purchase price. An N+1 data center backup system includes the sets, the paralleling switchgear, the ATS panels, the sub-base tanks, the enclosures, and often engineering and commissioning costs. We can finance the equipment portion of that package from one lender with one set of documents, which simplifies the project accounting significantly.

For deals up to roughly $400k, we work on an application-only basis, meaning three months of business bank statements and basic company information, no tax returns required. Above that threshold we add a financial package, but the timeline stays tight. Most data center operators are already running P&L and balance sheet reporting, so that step is not typically a burden.

Purchase, capital lease, and operating lease structures are all available depending on how the facility's CFO wants the equipment on the books. If the facility already owns sets and wants to pull equity out to fund the next expansion phase, a sale-leaseback against the existing iron makes sense. We have structured leasebacks on generators where the facility used the freed capital to fund additional redundancy without taking on new debt. Fund timeline is one to two weeks from a complete application.

Who Uses This Financing

The range of buyers in the data center space is wider than most people expect. Hyperscale cloud operators at one end are buying multi-megawatt generator plants and have sophisticated treasury functions. At the other end, a regional managed service provider building a 500kW colocation facility is buying two or three sets and doing it for the first time. We work across that whole range.

Edge computing deployments are a growing segment. As compute migrates out of central campuses to carrier-hotel facilities, cell-tower-adjacent micro-data-centers, and enterprise branch nodes, the generator requirement follows it. A 100kW to 500kW edge node needs the same N+1 discipline as a large campus, just scaled down, and the financing structure is the same.

Enterprise IT departments building or expanding their own server rooms represent another consistent buyer. Corporate data centers are not always Tier IV certified but they carry the same backup power obligation, and their IT teams often interface with us on deals that facilities management would normally handle at a larger organization. We treat both the same way, on the deal terms, not the org chart.

Related Equipment Worth Financing Together

The full backup power ecosystem in a data center goes beyond the generator sets. UPS systems, battery strings, PDUs, and cooling equipment can be part of the same project budget. We focus on the generation and switching layer, but we coordinate with broader equipment lenders when a client is financing an entire facility buildout.

For facilities that need temporary or mobile generation during construction or maintenance windows, towable generator financing covers the portable sets used during commissioning or planned outages. Some operators buy towable units as permanent supplemental capacity rather than renting them through every planned maintenance cycle.

Load banks are part of commissioning every serious generator installation. Running a full-load test before the facility goes live is not optional, and owning a load bank rather than renting one on every test interval pays for itself quickly at any facility doing quarterly or semi-annual NFPA 110 testing. We finance load banks as standalone items or bundled into the main generator package.

Facilities serving the telecom and cell site sector face very similar N+1 power obligations and frequently cross-shop between data center and telecom facility configurations.