Manufacturers & industrial

Industrial solar feasibility for Kentucky manufacturers, on a real deadline

Your roof may be the largest idle asset on the balance sheet, and your customers have started asking about it. We test whether on-site solar, a green tariff, or neither fits your load, your contracts, and the federal calendar.

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A factory roof seen from above as a chessboard with solar panels in one corner — The idea
A factory roof is often the largest unused asset on the balance sheet. The opening move matters most.

Industrial solar feasibility for Kentucky manufacturers: three questions

For Kentucky manufacturers, industrial solar feasibility comes down to three questions. Does your load line up with the sun? Can a project be built before the federal credit window closes? And what do your customers need you to claim? A large roof makes the conversation possible. Those three answers decide whether it’s worth having.

We’re an independent, fee-only firm. We don’t sell, design, or install systems, and we take no money from developers, installers, or equipment makers. We work from your bills, interval data, and contracts, and we show every assumption.

Load shape beats annual kWh

Two plants that each use 12 million kWh a year can get very different value from the same array. A three-shift operation running weekends absorbs nearly every midday kilowatt-hour. A single-shift plant that idles on Saturdays exports more, and exported power is credited at less than retail. Twelve months of 15-minute interval data for each meter answers the question faster than any rule of thumb.

The federal calendar, worked backward

For solar that hadn’t begun construction by July 4, 2026, the 48E and 45Y credits generally require the facility to be placed in service by December 31, 2027. Projects beginning construction after 2025 also face restrictions on material assistance from prohibited foreign entities. As of November 2026, that leaves about 14 months for everything:

Step	Typical duration
Commercial feasibility study	3–5 weeks
Installer RFP and bid leveling	4–8 weeks
Equipment sourcing documentation	2–6 weeks, overlapping the RFP
Interconnection review, permits, and construction	Months, depending on size and circuit

Tight, but workable for many rooftop projects that start now. Your tax adviser confirms eligibility; we build and track the schedule. Our credit deadline timeline walks through the dates.

Panels are not the same as the claim

Supplier sustainability questionnaires increasingly ask for Scope 2 emissions reported both ways, location-based and market-based, as the GHG Protocol Scope 2 Guidance describes. Here’s the catch: if a third-party owner keeps the renewable energy certificates from the array on your roof, your market-based figure can’t count that solar. The panels lower your bill. They don’t automatically lower your reported emissions.

That’s why Priya Venkataraman, our sustainability reporting lead, often starts with the questionnaire rather than the roof. Sometimes a REC purchase or a green tariff answers the customer faster and with less capital. In LG&E and KU territory, the Green Tariff offers RECs, an on-site Business Solar option, and a Renewable Power Agreement aimed at large customers.

Procurement with a paper trail

Lenders, tax advisers, and customers now want records for major components. We run competitive RFPs, level the bids, and assemble the equipment sourcing documentation your advisers will ask for. A licensed structural engineer confirms what the roof can carry; we make sure that question gets asked in week one, not week ten.

Where to start

Most plants begin with a Commercial Feasibility Study. If a customer questionnaire is due first, start with Supplier Sustainability Questionnaires.

What we hear most

The real decisions behind the question

The 2027 placed-in-service line

Solar that hadn't begun construction by July 4, 2026 generally must be placed in service by December 31, 2027 to earn the 48E or 45Y credit. Procurement and interconnection take months.

Sourcing rules with teeth

Projects that begin construction after 2025 face limits on material assistance from prohibited foreign entities. Bids need documentation, not assurances.

Load shape, not annual kWh

A three-shift plant and a one-shift plant with the same annual usage can get very different value from the same array. Interval data settles it.

Customers asking for numbers

Large customers increasingly send suppliers questionnaires about Scope 2 emissions and renewable claims. Owning panels is not the same as owning the claim.

Roofs built for something else

A big roof may be near the end of its membrane life or short on load capacity. A licensed structural engineer has to confirm what it can carry.

Recurring, independent performance reports for owners of several solar systems: expected versus actual, performance ratio, availability and a ranked alert triage list.

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FAQ

Questions people ask

Is it too late for a manufacturer to get the federal solar credit?

Not necessarily, but the window is narrow. For solar that hadn't begun construction by July 4, 2026, the 48E and 45Y credits generally require the facility to be placed in service by the end of 2027, and sourcing restrictions apply. We build a schedule backward from that date; your tax adviser confirms eligibility.

Can you answer our customer's sustainability questionnaire?

We prepare non-certified Scope 2 estimates using the GHG Protocol Scope 2 Guidance and published emission factors such as EPA eGRID, and we draft responses for your review. We don't provide third-party verification or assurance.

Do you design the system or stamp drawings?

No. We don't design, stamp, or install anything. We define requirements, run the financial analysis, organize the RFP, and compare bids. Design and stamped drawings come from licensed professionals that you or your installer retain.

Should we look at LG&E and KU's Green Tariff instead?

If you're in LG&E or KU territory, it belongs in the comparison. The Green Tariff offers RECs, an on-site Business Solar option, and a Renewable Power Agreement aimed at large customers. We compare each with on-site solar on cost, contract length, and how well it supports the claim your customer asked for.