If your facility is a registered corporation under Singapore’s Energy Conservation Act (ECA), you already know the annual routine: an Energy Use Report and an Energy Efficiency Improvement Plan (EEIP), both due to NEA by 30 June each year, endorsed by your CEO and prepared by your appointed energy manager. The harder question is what to put in the improvement plan. Many energy managers struggle to identify projects with measurable savings, clear implementation dates, and verifiable results. A steam trap survey answers all three — and in steam-intensive plants, it is often the fastest-payback energy project available, with steam savings of up to 20% — and one of the simplest wins in any broader steam system optimisation Singapore programme.
What NEA Expects in Your Annual Submission
Under the ECA, corporations consuming 54 TJ or more of energy per year at a single site must submit two documents annually:
- Energy Use Report — fuel inventory, consumption, production output, and system-level reporting covering at least 80% of energy consumption, including specific energy consumption (SEC) and reasons for SEC changes.
- Energy Efficiency Improvement Plan — a 1–5 year plan listing energy efficiency measures, implementation dates, projected consumption or SEC improvement, the person responsible, and measurement and verification (M&V) of implemented measures.
Records supporting these submissions must be retained for at least five years, including before-and-after M&V data. In addition, registered corporations must implement an energy management system (EnMS) meeting NEA’s requirements — or hold accredited ISO 50001 certification.
A professionally documented steam trap survey slots directly into this framework. It quantifies losses in tonnes of steam, dollars, and tonnes of CO2, proposes specific rectification measures with costs, and — repeated annually — provides exactly the before-and-after M&V evidence NEA asks for.
The Hidden Loss: Failed Steam Traps
Steam traps fail quietly. The US Department of Energy estimates that in steam systems left unmaintained for 3–5 years, 15–30% of steam traps will have failed, and industry studies show poorly maintained steam systems can waste 15–30% of all steam generated. For plants without a regular trap testing programme, an annual survey and repair cycle typically recovers 10–20% of steam costs. Plants that pair a survey with a boiler efficiency monitoring system Singapore setup tend to catch failing traps even sooner, since continuous monitoring flags the drop in performance between survey cycles — which is why we describe steam savings of up to 20% as a realistic upper bound for a first-time survey at a large site.
What a Survey Found at One Singapore Plant
In November 2025, Techmatic surveyed 1,161 steam traps at a large process plant in Singapore. Of the 722 traps that could be conclusively rated, the results were:
| Condition | Quantity | Share of total |
| Good | 575 | 50% |
| Leaking (blowing steam) | 92 | 8% |
| Plugged / choked | 55 | 5% |
| Unable to check (cold / out of service) | 439 | 37% |
The 92 leaking traps — about 13% of all testable traps, right in line with the DOE’s expected failure range — were wasting:
- 7,925 tonnes of steam per year
- S$396,258 per year in steam costs (at S$50 per tonne, 24/7 operation)
- 1,246 tonnes of CO2 emissions per year
The cost to replace all 92 leaking traps? S$25,290 — a payback period of roughly three weeks (0.06 years). Few energy efficiency projects in any EEIP come close to that return.
There is a carbon angle too. At Singapore’s carbon tax rate of S$45 per tonne of CO2e (2026–2027), 1,246 tonnes of avoidable emissions represents around S$56,000 per year in additional carbon cost exposure for taxable facilities under the Carbon Pricing Act — on top of the steam itself.
Fitting the Survey into Your EEIP and Energy Use Report
A steam trap survey report gives your energy manager everything the EEIP template asks for:
- Measure: replace identified leaking steam traps; service or replace plugged traps.
- Projected improvement: quantified steam, dollar, and CO2 savings per trap and per plant area.
- Implementation date and responsible person: rectification can typically be scheduled within weeks, without a line shutdown.
- M&V: failed traps are tagged in the field, and a follow-up survey verifies rectification — producing the before-and-after data NEA requires and the five-year records you must retain.
Because steam systems serve production directly, reduced steam losses also show up as an improved SEC in your Energy Use Report — with the survey providing a documented reason for the change. Running the survey as part of a wider boiler energy audit Singapore programme gives your energy manager a repeatable process for identifying new EEIP measures each year, rather than a one-off exercise.
A Natural Fit for ISO 50001 Improvement Projects
For plants certified to ISO 50001 — or implementing an EnMS to meet NEA’s requirement — a steam trap survey maps cleanly onto the Plan-Do-Check-Act cycle:
- Plan: the survey feeds your annual energy review, identifying the steam system as a significant energy use (SEU) with quantified opportunities.
- Do: trap replacement becomes a concrete action plan with owner, budget, and timeline.
- Check: re-survey results provide measurable EnPI improvement against your energy baseline — the same evidence a boiler performance monitoring Singapore programme relies on, and what auditors look for.
- Act: annual surveys institutionalise continual improvement, forming the backbone of a predictive maintenance boiler Singapore programme that keeps trap failure rates low year after year.
Industrial facilities may also be eligible for co-funding of energy assessments of up to 50% under NEA’s Energy Efficiency Fund (E2F), subject to eligibility conditions — worth checking before you commission a survey.
Make Your Next Submission Easier
An annual steam trap survey turns a compliance obligation into a genuine cost-reduction programme: measurable savings for your EEIP, M&V evidence for NEA, audit-ready records for ISO 50001, and steam savings of up to 20% for plants without an existing trap maintenance programme.
Techmatic Controls has been supporting Singapore’s steam users for over 30 years as the authorised representative for Miyawaki steam products. Our engineers survey, tag, and report every trap on site — and propose suitable replacements based on actual operating conditions.
References
- U.S. Department of Energy, Advanced Manufacturing Office. (2012). Inspect and Repair Steam Traps — Steam Tip Sheet #1. energy.gov.
- National Environment Agency (NEA). Mandatory Energy Management Practices for Existing Industrial Facilities. nea.gov.sg.
- Ministry of Sustainability and the Environment (MSE). Carbon Pricing Act. mse.gov.sg.
Contact our engineers to schedule a steam trap survey for your plant — sales@techmatic.com.sg | +65 6744 5856 | www.techmatic.com.sg
