Solar streetlights are one of the most common barangay solar procurements — and one of the most commonly under-specified. This guide covers what a barangay should require in its bid documents, why battery autonomy is the most critical and most overlooked specification element, and how to size a system correctly when CCTV cameras are bundled.
A solar streetlight is a self-contained outdoor lighting unit powered by an integrated photovoltaic panel and battery — no grid connection required. The panel charges the battery during daylight hours; the battery powers the LED luminaire at night. Two configurations are available, each with different installation and performance trade-offs.
For most barangay procurements — perimeter roads, pathways, plaza lighting — the all-in-one configuration is the practical choice. Split-type is worth specifying when the installation site has constrained panel orientation or requires larger battery capacity than an all-in-one fixture can accommodate.
A barangay solar streetlight specification should state lumen output, battery chemistry and capacity, autonomy in nights, pole height, IP rating, and warranty period. Of these, autonomy is the most commonly omitted and the most consequential.
Battery autonomy is the number of consecutive nights a streetlight can operate without any solar recharge — during overcast periods, heavy rain, or typhoons. A unit that performs in the dry season and fails after two consecutive cloudy nights met an incomplete specification. The Philippines has extended overcast periods, particularly during the southwest monsoon. Specify autonomy in nights — not just battery capacity in watt-hours — and require that the supplier demonstrate the autonomy figure applies at the stated lumen output and in the operating temperature range of the installation site.
| Specification Element | What It Controls | What to State in the Bid Document | Notes |
|---|---|---|---|
| Lumen output | Brightness and effective illumination radius at road level | Minimum lumens at rated output; illuminance (lux) at pole spacing if road-lighting standard applies | State lumens, not watts — watts measure consumption, not light output |
| Battery chemistry | Cycle life, temperature tolerance, safety under Philippine conditions | Require LiFePO₄ (lithium iron phosphate) explicitly; do not accept lead-acid substitution | LiFePO₄ outperforms lead-acid significantly in Philippine ambient temperatures |
| Battery capacity (Wh) | Total energy stored; determines maximum autonomy at rated load | Minimum watt-hour capacity; must support the stated autonomy at rated lumen output | Capacity alone is not sufficient — pair with autonomy requirement |
| Autonomy (nights) | Operating days without solar recharge — critical for Philippine monsoon conditions | Minimum consecutive nights of full-output operation with no solar input | Most commonly omitted. This is the single most important functional requirement. |
| Solar panel wattage | Daily charging capacity; must replenish battery in available sun hours | Minimum peak watts; specify monocrystalline if degradation rate matters | Sized to replenish the stated autonomy within normal sun-day cycles |
| IP rating | Ingress protection against dust and water — critical for outdoor year-round exposure | Minimum IP65 for the luminaire assembly; IP67 or IP68 for waterproof environments | IP format: first digit = solids (0–6); second digit = liquids (0–8 or 9K) |
| Pole height | Illumination area coverage; affects pole spacing | Pole height in metres; material (galvanised steel or equivalent); wind load rating for typhoon-corridor sites | Taller poles require higher lumen output to achieve equivalent road illuminance |
| Motion sensor | Dims output during low-activity hours to extend battery autonomy | State whether dimming is required; specify trigger behaviour and dim level (e.g. 30% during inactive periods) | Motion sensor dimming can materially extend autonomy — account for it in the battery sizing |
| Warranty period | Post-installation defects liability period and replacement terms | Separate warranty periods for the panel, battery, and luminaire; specify replacement logistics | COA may audit warranty compliance for public projects — document it clearly in the contract |
All units are all-in-one configuration with LiFePO₄ battery and IP65 rating. Pricing is per unit, supply only. Volume pricing available for barangay procurement batches — contact us for a formal quotation formatted for your bill of quantities.
*Indicative pricing. Final price depends on exact specification, quantity, and delivery location. Contact SolarStream for a formal quotation.
Not all solar streetlight batteries perform equally under Philippine conditions. The two primary options are lead-acid (sealed AGM or gel) and lithium iron phosphate (LiFePO₄). The difference matters most on two dimensions: cycle life and high-temperature tolerance.
Specify LiFePO₄ explicitly in the bill of quantities. A bid document that simply states "lithium battery" allows substitution with other lithium chemistries that do not perform equally under Philippine conditions. State the chemistry by name.
Yes. Solar streetlights can support integrated CCTV cameras, and Philippine barangays commonly procure the two as a bundle — a single pole carrying both the streetlight and the camera, powered by the same solar-battery system.
The engineering consequence is straightforward but frequently missed in procurement: a CCTV camera draws power continuously — 24 hours a day. A streetlight luminaire draws power only at night. A system sized only for the lighting load will be undersized once a camera is added.
Barangay solar streetlights qualify as capital development projects under the 20% Development Fund, which appropriates at least 20% of the annual National Tax Allotment under Section 287 of RA 7160. The fund's exclusions — personal services, administrative expenses, travel, and trainings — are all operating-expense categories. Solar hardware and installation is capital equipment, not an operating expense.
For barangays that have experienced typhoon damage or are in classified disaster-risk zones, the LDRRMF's 70% preparedness portion is an additional avenue — particularly where the streetlight project is framed as resilient infrastructure. The two funds serve different facility types and do not compete with each other.
Barangay solar streetlight procurement follows RA 12009 for projects initiated after 13 August 2024. The Approved Budget for the Contract (ABC) sets the price ceiling, and PhilGEPS carries the posting where the procurement value requires it. Competitive bidding is the default mode.
The specification — including all the elements in the table above — is embedded in the bill of quantities that forms part of the bid documents. The BAC evaluates bids against that specification. Under RA 12009's MEARB provisions, a BAC that includes technical evaluation criteria (battery chemistry, autonomy, IP rating) can weight those alongside price — meaning a better-specified unit can win over a cheaper, lower-quality alternative.
SolarStream supplies all-in-one solar streetlights with LiFePO₄ batteries for barangay procurement. We can provide technical specifications formatted for your bill of quantities — ready for the BAC process.
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