Battery Storage for Commercial & Industrial Projects in Singapore

The Singapore C&I context

Commercial and industrial consumers in Singapore can buy from a contestable retail market, with tariffs that combine energy and demand-related components. Space is at a premium, so a well-sized battery that removes peaks and shifts energy efficiently earns its footprint — which makes accurate sizing, not over-sizing, the priority.

Demand management and load shifting

The tool models battery dispatch to reduce peak demand and shift consumption away from expensive periods, quantifying the saving against your actual interval profile. Where the retail plan carries time-of-use structure, it stacks arbitrage on top of demand reduction in a single yearly dispatch.

Solar where roof space allows

For sites with usable roof area, co-optimising rooftop solar with storage lifts self-consumption and defers grid energy. EWISER EStack models PV from the site's location and sizes storage against the residual load, so solar and battery are matched rather than bolted together.

Why storage earns its footprint in Singapore

Space is expensive in Singapore, so a battery has to earn its footprint. That raises the premium on accurate sizing: a system tuned to the site's real peaks and tariff delivers the same savings as an over-sized one at lower capital and in less room. The tool finds that efficient point, not the largest system that fits.

Modelling a full year of dispatch against interval data also exposes how consistent the savings are across seasons — which matters when floor space and capital both have to be justified to a landlord or a board.

Demand management plus load shifting

The two levers on a Singapore C&I bill are reducing peak demand and shifting energy away from expensive periods. Where the retail plan carries time-of-use structure, the tool stacks arbitrage on top of demand reduction in one dispatch, so the combined saving is captured without double-counting the same battery capacity.

Contestable retail and tariff choice

In Singapore's contestable market the retail contract shapes what storage is worth: a plan weighted toward demand or peak-period energy rewards shaving and load-shifting more than a flat plan does. Choosing the tariff and sizing the battery are really one decision.

The tool lets you test storage value against the tariff structure you can actually contract, so the sizing and the retail choice are made together rather than in sequence — and the payback reflects the plan the site will really be on.

Because contestable retail contracts are renegotiated periodically, the tool also lets you re-test a battery's value when the plan changes, so the asset keeps earning against the tariff you are actually on rather than the one it was first sized against.

What you need to model a Singapore site

A recent bill supports a preliminary estimate; an interval load profile and your retail tariff give an accurate result. The output is an investment-ready report with the full NPV / IRR / payback case for a client or investment committee.

Frequently asked questions