繁體中文
工作實況：由支架到監測平台
安裝前，技工要配合設計確認組件排布，揀選穩固嘅繫穩點同支架角度，確保唔會被附近樓宇或樹木遮擋。上板之後要壓實防水層、鎖好螺栓，避免大風時鬆脫。鋪設直流電纜要分開正負線、加保護管，接入逆變器後再做接地同隔離開關。系統投入運作後，日常工作包括清洗積塵、檢查接頭氧化、量度輸出功率同絕緣電阻，並透過監測平台比對發電量。出現發電量異常下跌，就要逐串排查，可能係組件污損、鬆線、逆變器故障或陰影所致，講求有系統嘅診斷能力。
入行關卡：電力條例同註冊資格
香港冇一個專為太陽能安裝技工而設嘅法定註冊名冊。規管主要嚟自兩邊：結構方面，天台或村屋裝設光伏系統要符合《建築物條例》要求，部分情況須由認可人士核證並向地政總署或屋宇署提交證明；電力方面，凡涉及固定電力裝置嘅安裝、測試同維修，都必須由機電工程署註冊嘅電業承辦商同電業工程人員進行。若系統接駁電網，發電設施擁有人須按《電力條例》第21條向機電署註冊，並向電力公司提交設計、技術規格同測試資料申請上網電價。因此，行內普遍要求技工有電業資格或通過相關機電工藝測試。
行業前景：上網電價帶動需求
政府自推出上網電價計劃以來，私人可再生能源系統嘅接駁個案明顯增加，帶動屋頂同村屋安裝、驗收同保養嘅工作量。同時，對結構安全、防水同電力保護嘅要求不斷收緊，令只靠經驗、唔熟規例嘅散工較難入場。出路方面，可由安裝技工做到線路技工、系統技術員，再晉升為項目主管或維修主管；亦可考取註冊電業工程人員資格，專責接駁電網同調試工作。想入行嘅人，宜先打好電學同機械基礎，再累積光伏系統嘅實戰經驗。
English
The job: from mounting frames to the monitoring platform
Before installation the technician works with the designer to confirm module layout, choosing solid fixing points and a mounting angle that avoids shading by nearby buildings or trees. After mounting, the waterproof layer must be compressed and bolts tightened so nothing works loose in strong wind. DC cabling is run with positive and negative lines separated and in protective conduit, then wired into the inverter with earthing and an isolator. Once running, routine work includes washing off dust, checking connectors for oxidation, measuring output and insulation resistance, and comparing generation on the monitoring platform. When output drops abnormally the technician traces string by string; the cause may be soiling, a loose line, an inverter fault or shading, which calls for systematic fault-finding.
The gate: the Electricity Ordinance and registration
Hong Kong has no statutory register dedicated to solar installers. Regulation comes from two sides. On structure, rooftop or village-house PV work must meet Buildings Ordinance requirements, and in some cases needs certification by an authorised person and submission to the Lands Department or Buildings Department. On electricity, any installation, testing or maintenance of a fixed electrical installation must be done by an EMSD-registered electrical contractor and electrical worker. If the system is grid-connected, the owner must register the generating facility with EMSD under section 21 of the Electricity Ordinance and submit design, technical specification and test data to the power company for the Feed-in Tariff. As a result, employers commonly require an electrical qualification or a relevant electrical/mechanical trade test.
Prospects: the Feed-in Tariff drives demand
Since the Government launched the Feed-in Tariff scheme, private renewable-energy connections have clearly multiplied, driving volume in rooftop and village-house installation, commissioning and maintenance. At the same time, tightening structural, waterproofing and electrical-protection rules make it harder for casual labour without regulatory knowledge to stay in the market. Career paths run from installer to cable worker to system technician, then on to project or maintenance supervisor, and a worker who gains registered-electrical-worker status can specialise in grid connection and commissioning. Newcomers are best advised to build a foundation in electrical and mechanical theory first, then accumulate hands-on PV system experience.
