Industrial facility owners looking at rooftop solar face a structural decision before any technical one. Under a power purchase agreement the provider funds, installs, owns, and maintains the system, and the facility buys the electricity it generates at an agreed rate. Under direct ownership the facility funds the installation and keeps everything the system produces. Both routes get panels onto a roof, and they distribute cost, risk, and control in opposite directions. Four financial factors determine which suits a given operation, and the offer of free installation solar panels in Singapore is better understood through them than through the headline itself.
1. Where the Capital Goes and What Else It Could Be Doing
Direct ownership requires substantial capital upfront, and that money is then unavailable for production equipment, expansion, inventory, or absorbing a difficult quarter. For a facility where capital is the binding constraint on growth, that opportunity cost rarely appears in a simple payback calculation.
A PPA requires no capital outlay and converts the arrangement into an operating cost tied to consumption. Over the full term the facility typically pays more in total than ownership would have cost, and whether that premium is worthwhile depends entirely on what the preserved capital is doing instead.
2. Who Carries Performance, Maintenance, and Equipment Risk
Under ownership, the facility carries everything: degradation over time, inverter replacement, cleaning, monitoring, insurance, and any shortfall if the system underperforms its projection.
Under a PPA the provider carries that, since their revenue depends on generation. That alignment is one of the genuine advantages, though it is worth confirming what performance guarantees exist, what happens if output falls short, and who is responsible for roof access and any damage arising from the installation.
Facilities without internal capacity to manage technical assets often find this transfer matters more than the financial comparison. Those with an existing maintenance function may prefer to absorb it and keep the returns.
3. The Contract Term and What Happens at Each Stage
PPAs typically run for extended periods, and the term is where most of the detail sits. Key questions include how the electricity rate is set, whether it escalates annually and by how much, what happens if the facility’s consumption drops, and whether there is an option to buy the system during or at the end of the term.
Anyone evaluating industrial solar systems in Singapore under a PPA should also check what occurs if the building is sold, if the lease ends, or if the business relocates, since a long-term agreement attached to a roof you may not control for the full period creates a complication that does not exist under ownership.
4. Accounting, Tax, and Balance Sheet Treatment
The two structures are treated differently, and the treatment affects reported position as well as actual cost. Ownership creates an asset and a depreciation schedule; a PPA generally creates an operating expense, though the specific treatment depends on how the agreement is structured.
Available incentives, grants, and allowances may also apply differently depending on who owns the equipment. This is a matter for your own accountant and tax adviser rather than something to resolve from a provider’s summary, since it depends on your entity structure and circumstances.
Modelling Both Against Your Actual Consumption Profile
The comparison only becomes meaningful with real data. Pull twelve months of consumption, including how it varies by shift and season, and ask providers to model both structures against it rather than against a generic industrial profile.
What emerges is often less clear-cut than either side’s marketing suggests, and the deciding factor is frequently something specific to the facility: a lease expiry, a planned expansion, or a capital commitment elsewhere. Working through it with your own finance and tax advisers alongside the provider’s model gives a considerably more reliable basis than comparing payback periods in isolation.
Contact LHN Energy to model both a purchase and a zero-upfront arrangement against your facility’s actual consumption data.
