{"id":1362,"date":"2026-09-08T17:29:09","date_gmt":"2026-09-08T09:29:09","guid":{"rendered":"https:\/\/duriandaily.com\/sg\/?p=1362"},"modified":"2026-09-08T17:29:09","modified_gmt":"2026-09-08T09:29:09","slug":"how-solar-systems-cut-cold-room-energy-bills-in-sg-2","status":"publish","type":"post","link":"https:\/\/duriandaily.com\/sg\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\/","title":{"rendered":"How Solar Systems Cut Cold Room Energy Bills in SG"},"content":{"rendered":"<style>@import url('https:\/\/fonts.googleapis.com\/css2?family=Merriweather:ital,wght@0,100..900;1,100..700;1,100..900&family=Montserrat:ital,wght@0,100..900;1,100..900&family=Roboto:ital,wght@0,100..900;1,100..900&family=Rubik:ital,wght@0,100..900;1,100..900&display=auto');.wp-premium-body { font-family: 'Rubik', 'Roboto', sans-serif; color: #333333; line-height: 1.75; font-size: 16px; margin: 0 auto; }.wp-premium-callout { font-family: 'Merriweather', serif; background-color: #f4f7f6; border-left: 4px solid #00a88f; padding: 22px; margin: 25px 0; border-radius: 0 8px 8px 0; }.wp-premium-cta-box { background: linear-gradient(135deg, #111111 0%, #2c3e50 100%); color: #ffffff; padding: 40px; text-align: center; border-radius: 12px; margin: 40px 0; }.wp-premium-btn { display: inline-block; background-color: #00a88f; color: #ffffff !important; padding: 14px 35px; text-decoration: none !important; font-weight: bold; border-radius: 5px; margin-top: 15px; }<\/style>\n<div class='wp-premium-body'>\n<div class='wp-premium-callout'><strong>Quick Summary:<\/strong><\/p>\n<p>A 100 kWp rooftop array in Singapore yields roughly 125,000\u2013140,000 kWh a year against a cold room\u2019s 24\/7 compressor load, and under EMA\u2019s Net Settlement Scheme, midday surplus is exported at wholesale price while overnight refrigeration imports are priced at the retail tariff. This article breaks down the load math, tariff mechanics, and real sizing decisions that cut a cold chain operator\u2019s SP Services bill by 30\u201345%.<\/p>\n<\/div>\n<h2>The Refrigeration Baseload Problem at 1.3\u00b0N<\/h2>\n<p>Running a cold room in Singapore is a pure baseload game. A 300 m\u00b3 walk-in freezer at -18\u00b0C, with 100 mm polyurethane panels and a constant 31\u00b0C ambient with 85% humidity, draws 9\u201314 kW of electrical energy just to hold temperature. Add dock doors, forklift traffic, and incoming warm pallets at 6\u20138\u00b0C above setpoint, and that figure climbs to 18\u201322 kW during packing shifts.<\/p>\n<p>The numbers scale quickly. A food processor with 3,000 m\u00b3 of chilled and frozen storage across a single Tuas facility will consume 250,000\u2013350,000 kWh per quarter. At the current SP Services non-domestic tariff of roughly SGD 0.28\/kWh, that is SGD 70,000\u201398,000 every quarter before any solar is installed. Refrigeration alone is typically 45\u201360% of the facility\u2019s total electricity line item.<\/p>\n<p>The key operational fact: this load never drops. Even at 3 a.m., every compressor in the rack cycle-starts against the latent heat load of the building envelope. There is no &#8220;shut off at night&#8221; lever. So the only lever that matters is the price at which the grid supplies those kilowatt-hours \u2014 and whether solar can displace them.<\/p>\n<h2>Solar Yields and the Midday Defrost Window<\/h2>\n<p>Singapore\u2019s irradiance is stable: 4.5\u20135.0 peak sun hours per day, or roughly 1,250\u20131,350 kWh per kWp per year at a performance ratio of 0.79. A 100 kWp monocrystalline array using LONGi Hi-MO or JA Solar TOPCon modules on a pitched industrial roof in Jurong or Tuas will push roughly 130,000 kWh per year into the facility\u2019s distribution board. That is 35\u201350% of a serious cold chain\u2019s annual consumption.<\/p>\n<p>The alignment matters more than people think. In the tropics, compressor power draw climbs measurably when ambient temperature rises, because condenser pressure goes up and the refrigeration cycle loses efficiency. Compressor electrical load at 2 p.m. in Singapore is routinely 8\u201312% higher than at 6 a.m. with the same room setpoint. That 2 p.m. peak overlaps almost exactly with maximum PV generation.<\/p>\n<p>Smart operators also shift defrost cycles. Electric defrost on a rack of evaporators in a 600 m\u00b3 freezer draws an extra 15\u201325 kW for roughly 20 minutes per cycle. If defrost is triggered by accumulated frost rather than a fixed clock, an operator can use a Carel IR33 controller or similar to intentionally schedule the heaviest defrost block between 11:00 and 14:00, when solar surplus is most likely to cover it. This is not complicated energy engineering \u2014 it is simply refusing to waste a free 100 kWp asset.<\/p>\n<h2>Net Settlement Turns the Overnight Grid into a Battery<\/h2>\n<p>Singapore\u2019s regulatory structure works in the operator\u2019s favor here. Under the EMA\u2019s Net Settlement Framework, a commercial solar system up to 1 MW exports midday surplus to the grid at the market\u2019s wholesale energy price \u2014 in 2024\u20132025, that ranged between SGD 0.08 and 0.16\/kWh \u2014 while importing overnight refrigeration load at the retail tariff of ~0.28\/kWh. The utility meter simply nets the two over the billing period.<\/p>\n<p>Practically, this means the grid acts as free overnight storage for a cold room. A fish processor in Senoko with a 150 kWp system will see its 10 a.m. to 3 p.m. solar surplus offset the 9 p.m. to 6 a.m. compressor draw almost completely. The exact settlement ratio depends on the retailer (Geneco, Keppel Electric, Senoko Energy, or Tuas Power) and the wholesale price volatility, but the arithmetic is consistently favorable.<\/p>\n<p>The one caveat is the system\u2019s export capacity. A facility that over-sizes PV relative to its daytime consumption will face export curtailment, especially if the local substation transformer is shared with neighboring industrial load. The right engineering move is to size the array to the facility\u2019s <em>baseload plus daytime shift load<\/em>, not its absolute maximum consumption, and to keep the inverter\u2019s export limit set at the cap agreed with SP Group.<\/p>\n<h2>Right-Sizing PV and Inverters for 24\/7 Compressor Duty<\/h2>\n<p>There is a practical sizing rule for cold storage in Singapore:<\/p>\n<p><strong>kWp required = (annual refrigeration kWh \/ 1,300) \u00d7 1.10 for shading and degradation<\/strong><\/p>\n<p>A facility pulling 450,000 kWh per year for refrigeration alone lands at roughly 350 kWp. But it is rarely that simple. Roof loading, mechanical equipment footprints, and the required 3 m setbacks from parapet edges will cut usable area by 25\u201340% in a typical Jurong warehouse. Most cold room operators end up with 150\u2013250 kWp and accept that solar covers 30\u201345% of the refrigeration load.<\/p>\n<p>Inverter selection matters more than panel brand for this specific use case. Huawei SUN2000 series and Sungrow SG110CX units support a DC\/AC ratio up to 1.5, which is essential in Singapore\u2019s intermittent tropical cloud cover. When a black rain cloud passes over the west, a 1.5 oversize ratio lets inverter keep producing at rated AC output for several minutes using the stored DC headroom rather than dropping to zero \u2014 this directly stabilizes supply to the compressor racks and reduces thermal shock on screw compressors like Bitzer ECOLINE units.<\/p>\n<p>For operators who want a bigger offset, adding an LFP battery bank (200\u2013400 kWh, using mPower or Tesla Powerwall-based commercial racks) lets the facility store solar during peak generation and run the compressors through the 6 p.m.\u201310 p.m. evening peak tariff period. At a tariff difference of 12\u201315 cents per kWh, a 300 kWh battery cycling daily is worth roughly SGD 13,000\u201316,000 per year in avoided peak-rate energy. Payback is still marginal at 2025 battery prices, but with net settlement export rates expected to sag further as more solar enters the grid, the battery case only strengthens.<\/p>\n<h2>Tuas, Jurong, and the Cold Chain Installations Actually Saving<\/h2>\n<p>Walk through any established cold chain facility in Tuas South or the Jurong Food Hub and the pattern is the same. A 4,500 m\u00b2 seafood processor with 1,800 m\u00b2 of usable roof installed a 210 kWp system in early 2024 at around SGD 0.95\/Wp fully installed. The system produces roughly 270,000 kWh per year \u2014 about 38% of the facility\u2019s total consumption, with refrigeration at two-thirds of that load. In the first 12 months, the owner\u2019s SP bill dropped from an average of SGD 82,000 per quarter to SGD 51,000, a fall of 38% before applying any carbon offset or Green Mark rebate.<\/p>\n<p>A 600-pallet pharma distribution depot in Changi South runs the opposite play: a 90 kWp system sized strictly for the 24\/7 cold room baseload, with no export. The array was deliberately tilted at 8\u00b0 facing south to flatten the midday peak and extend generation into the late afternoon, matching the facility\u2019s inverter-driven chillers which pull 45 kW continuously. Their payback is 7.2 years at current tariffs, which is acceptable to a facility owner who fully expects retail electricity to stay above 0.25\/kWh through 2030.<\/p>\n<p>The critical lesson from these jobs is not the equipment \u2014 it is the commissioning discipline. Cold room operators who add solar but leave defrost timers at factory defaults, or refuse to let the BMS shed non-critical ventilation loads during solar dips, only harvest 20\u201325% savings. Those who tune load schedules around the PV curve, and who push EMA\u2019s net settlement framework to its limit, hit 35\u201345% every time.<\/p>\n<div style='overflow-x: auto; margin: 30px 0;'>\n<table class='wp-premium-table'>\n<thead>\n<tr>\n<th>Item<\/th>\n<th>Key Feature<\/th>\n<th>Best For<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Huawei SUN2000 100KTL inverter<\/td>\n<td>1.5 DC\/AC ratio, string-level voltage monitoring<\/td>\n<td>Compressor racks that need voltage-ride-through during cloud cover<\/td>\n<\/tr>\n<tr>\n<td>Sungrow SG110CX<\/td>\n<td>IP66 enclosure, 110 kW AC output, full data logging<\/td>\n<td>150\u2013250 kWp roofs at Tuas\/Jurong industrial estates<\/td>\n<\/tr>\n<tr>\n<td>EMA Net Settlement Scheme<\/td>\n<td>Export at wholesale price, import at retail tariff<\/td>\n<td>Using the grid as overnight storage for 24\/7 cold rooms<\/td>\n<\/tr>\n<tr>\n<td>Bitzer ECOLINE reciprocating compressor<\/td>\n<td>VFD capacity modulation down to 20% load<\/td>\n<td>Matching cooling output to solar surplus in the 10 a.m.\u20133 p.m. window<\/td>\n<\/tr>\n<tr>\n<td>Carel IR33 evaporator controller<\/td>\n<td>Defrost scheduling, temperature logging, alarm relay<\/td>\n<td>Shifting defrost cycles into peak irradiance hours<\/td>\n<\/tr>\n<tr>\n<td>LONGi Hi-MO \/ JA Solar TOPCon modules<\/td>\n<td>580\u2013620 W, 22%+ efficiency, 30-year linear degradation<\/td>\n<td>Maximizing kWh per m\u00b2 on constrained industrial rooftops<\/td>\n<\/tr>\n<tr>\n<td>LFP battery bank (mPower \/ Tesla Commercial)<\/td>\n<td>200\u2013400 kWh capacity, 5\u20136 hour evening discharge<\/td>\n<td>Shaving the 6 p.m.\u201310 p.m. evening peak after solar drops<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class='wp-premium-cta-box'>\n<h3>Ready to Accelerate Your Digital Growth Strategy?<\/h3>\n<p>Partner with an industry-leading digital agency to upscale your infrastructure today.<\/p>\n<p><a href='https:\/\/www.justsimple.com.my\/' class='wp-premium-btn'>Get Started for Free Today<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Quick Summary: A 100 kWp rooftop array in Singapore yields roughly 125,000\u2013140,000 kWh a year against a cold room\u2019s 24\/7 compressor load, and under EMA\u2019s Net Settlement Scheme, midday surplus is exported at wholesale price while overnight refrigeration imports are priced at the retail tariff. This article breaks down the load math, tariff mechanics, and [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":1433,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_ppma_block_editor_authors":""},"categories":[15],"tags":[],"ppma_author":[34],"class_list":["post-1362","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lifestyle-culture"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How Solar Systems Cut Cold Room Energy Bills in SG - Durian Daily News Singapore<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/duriandaily.com\/sg\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Solar Systems Cut Cold Room Energy Bills in SG - Durian Daily News Singapore\" \/>\n<meta property=\"og:description\" content=\"Quick Summary: A 100 kWp rooftop array in Singapore yields roughly 125,000\u2013140,000 kWh a year against a cold room\u2019s 24\/7 compressor load, and under EMA\u2019s Net Settlement Scheme, midday surplus is exported at wholesale price while overnight refrigeration imports are priced at the retail tariff. This article breaks down the load math, tariff mechanics, and [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/duriandaily.com\/sg\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Durian Daily News Singapore\" \/>\n<meta property=\"article:published_time\" content=\"2026-09-08T09:29:09+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/duriandaily.com\/sg\/wp-content\/uploads\/2026\/09\/how-solar-systems-cut-cold-room-energy-bills-in-sg.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"becky fung\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"becky fung\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\\\/\"},\"author\":{\"name\":\"becky fung\",\"@id\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/#\\\/schema\\\/person\\\/0161ce86d424824cfabfbc5d36aa95f4\"},\"headline\":\"How Solar Systems Cut Cold Room Energy Bills in SG\",\"datePublished\":\"2026-09-08T09:29:09+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\\\/\"},\"wordCount\":1377,\"publisher\":{\"@id\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/how-solar-systems-cut-cold-room-energy-bills-in-sg.webp\",\"articleSection\":[\"Lifestyle &amp; Culture\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\\\/\",\"url\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\\\/\",\"name\":\"How Solar Systems Cut Cold Room Energy Bills in SG - Durian Daily News Singapore\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/how-solar-systems-cut-cold-room-energy-bills-in-sg.webp\",\"datePublished\":\"2026-09-08T09:29:09+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/duriandaily.com\\\/sg\\\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\\\/#primaryimage\",\"url\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/how-solar-systems-cut-cold-room-energy-bills-in-sg.webp\",\"contentUrl\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/how-solar-systems-cut-cold-room-energy-bills-in-sg.webp\",\"width\":1920,\"height\":1080},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Durian Daily\",\"item\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"How Solar Systems Cut Cold Room Energy Bills in SG\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/#website\",\"url\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/\",\"name\":\"Durian Daily Singapore\",\"description\":\"Singapore\u2019s Latest Breaking News &amp; Trending Stories\",\"publisher\":{\"@id\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/#organization\"},\"alternateName\":\"Latest News by Durian Daily\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/#organization\",\"name\":\"Durian Daily Singapore\",\"alternateName\":\"Durian Daily Singapore Official\",\"url\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/wp-content\\\/uploads\\\/2025\\\/03\\\/cropped-durian-daily-blog-singapore.png\",\"contentUrl\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/wp-content\\\/uploads\\\/2025\\\/03\\\/cropped-durian-daily-blog-singapore.png\",\"width\":512,\"height\":512,\"caption\":\"Durian Daily Singapore\"},\"image\":{\"@id\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/#\\\/schema\\\/person\\\/0161ce86d424824cfabfbc5d36aa95f4\",\"name\":\"becky fung\",\"url\":\"https:\\\/\\\/duriandaily.com\\\/sg\\\/author\\\/beckyfung\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"How Solar Systems Cut Cold Room Energy Bills in SG - Durian Daily News Singapore","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/duriandaily.com\/sg\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\/","og_locale":"en_US","og_type":"article","og_title":"How Solar Systems Cut Cold Room Energy Bills in SG - Durian Daily News Singapore","og_description":"Quick Summary: A 100 kWp rooftop array in Singapore yields roughly 125,000\u2013140,000 kWh a year against a cold room\u2019s 24\/7 compressor load, and under EMA\u2019s Net Settlement Scheme, midday surplus is exported at wholesale price while overnight refrigeration imports are priced at the retail tariff. This article breaks down the load math, tariff mechanics, and [&hellip;]","og_url":"https:\/\/duriandaily.com\/sg\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\/","og_site_name":"Durian Daily News Singapore","article_published_time":"2026-09-08T09:29:09+00:00","og_image":[{"width":1920,"height":1080,"url":"https:\/\/duriandaily.com\/sg\/wp-content\/uploads\/2026\/09\/how-solar-systems-cut-cold-room-energy-bills-in-sg.webp","type":"image\/webp"}],"author":"becky fung","twitter_card":"summary_large_image","twitter_misc":{"Written by":"becky fung","Est. reading time":"7 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/duriandaily.com\/sg\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\/#article","isPartOf":{"@id":"https:\/\/duriandaily.com\/sg\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\/"},"author":{"name":"becky fung","@id":"https:\/\/duriandaily.com\/sg\/#\/schema\/person\/0161ce86d424824cfabfbc5d36aa95f4"},"headline":"How Solar Systems Cut Cold Room Energy Bills in SG","datePublished":"2026-09-08T09:29:09+00:00","mainEntityOfPage":{"@id":"https:\/\/duriandaily.com\/sg\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\/"},"wordCount":1377,"publisher":{"@id":"https:\/\/duriandaily.com\/sg\/#organization"},"image":{"@id":"https:\/\/duriandaily.com\/sg\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\/#primaryimage"},"thumbnailUrl":"https:\/\/duriandaily.com\/sg\/wp-content\/uploads\/2026\/09\/how-solar-systems-cut-cold-room-energy-bills-in-sg.webp","articleSection":["Lifestyle &amp; Culture"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/duriandaily.com\/sg\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\/","url":"https:\/\/duriandaily.com\/sg\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\/","name":"How Solar Systems Cut Cold Room Energy Bills in SG - Durian Daily News Singapore","isPartOf":{"@id":"https:\/\/duriandaily.com\/sg\/#website"},"primaryImageOfPage":{"@id":"https:\/\/duriandaily.com\/sg\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\/#primaryimage"},"image":{"@id":"https:\/\/duriandaily.com\/sg\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\/#primaryimage"},"thumbnailUrl":"https:\/\/duriandaily.com\/sg\/wp-content\/uploads\/2026\/09\/how-solar-systems-cut-cold-room-energy-bills-in-sg.webp","datePublished":"2026-09-08T09:29:09+00:00","breadcrumb":{"@id":"https:\/\/duriandaily.com\/sg\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/duriandaily.com\/sg\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/duriandaily.com\/sg\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\/#primaryimage","url":"https:\/\/duriandaily.com\/sg\/wp-content\/uploads\/2026\/09\/how-solar-systems-cut-cold-room-energy-bills-in-sg.webp","contentUrl":"https:\/\/duriandaily.com\/sg\/wp-content\/uploads\/2026\/09\/how-solar-systems-cut-cold-room-energy-bills-in-sg.webp","width":1920,"height":1080},{"@type":"BreadcrumbList","@id":"https:\/\/duriandaily.com\/sg\/how-solar-systems-cut-cold-room-energy-bills-in-sg-2\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Durian Daily","item":"https:\/\/duriandaily.com\/sg\/"},{"@type":"ListItem","position":2,"name":"How Solar Systems Cut Cold Room Energy Bills in SG"}]},{"@type":"WebSite","@id":"https:\/\/duriandaily.com\/sg\/#website","url":"https:\/\/duriandaily.com\/sg\/","name":"Durian Daily Singapore","description":"Singapore\u2019s Latest Breaking News &amp; Trending Stories","publisher":{"@id":"https:\/\/duriandaily.com\/sg\/#organization"},"alternateName":"Latest News by Durian Daily","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/duriandaily.com\/sg\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/duriandaily.com\/sg\/#organization","name":"Durian Daily Singapore","alternateName":"Durian Daily Singapore Official","url":"https:\/\/duriandaily.com\/sg\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/duriandaily.com\/sg\/#\/schema\/logo\/image\/","url":"https:\/\/duriandaily.com\/sg\/wp-content\/uploads\/2025\/03\/cropped-durian-daily-blog-singapore.png","contentUrl":"https:\/\/duriandaily.com\/sg\/wp-content\/uploads\/2025\/03\/cropped-durian-daily-blog-singapore.png","width":512,"height":512,"caption":"Durian Daily Singapore"},"image":{"@id":"https:\/\/duriandaily.com\/sg\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/duriandaily.com\/sg\/#\/schema\/person\/0161ce86d424824cfabfbc5d36aa95f4","name":"becky fung","url":"https:\/\/duriandaily.com\/sg\/author\/beckyfung\/"}]}},"authors":[{"term_id":34,"user_id":5,"is_guest":0,"slug":"beckyfung","display_name":"becky fung","avatar_url":"https:\/\/duriandaily.com\/sg\/wp-content\/uploads\/2025\/03\/beckyfung-HK.png","author_category":"","first_name":"becky","last_name":"fung","user_url":"","job_title":"","description":""}],"_links":{"self":[{"href":"https:\/\/duriandaily.com\/sg\/wp-json\/wp\/v2\/posts\/1362","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/duriandaily.com\/sg\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/duriandaily.com\/sg\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/duriandaily.com\/sg\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/duriandaily.com\/sg\/wp-json\/wp\/v2\/comments?post=1362"}],"version-history":[{"count":1,"href":"https:\/\/duriandaily.com\/sg\/wp-json\/wp\/v2\/posts\/1362\/revisions"}],"predecessor-version":[{"id":1434,"href":"https:\/\/duriandaily.com\/sg\/wp-json\/wp\/v2\/posts\/1362\/revisions\/1434"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/duriandaily.com\/sg\/wp-json\/wp\/v2\/media\/1433"}],"wp:attachment":[{"href":"https:\/\/duriandaily.com\/sg\/wp-json\/wp\/v2\/media?parent=1362"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/duriandaily.com\/sg\/wp-json\/wp\/v2\/categories?post=1362"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/duriandaily.com\/sg\/wp-json\/wp\/v2\/tags?post=1362"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/duriandaily.com\/sg\/wp-json\/wp\/v2\/ppma_author?post=1362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}