Blog
Field reports from real solar data
Analysis, news and recurring field reports on solar and energy in Pakistan — written by the engineers who independently monitor commercial and industrial solar, string by string. Every figure is measured, not guessed.
Most writing about solar in Pakistan is either a sales pitch or a generic explainer. This blog is neither. It is written by the engineers who run Solar Performance Cloud and WattEY — the platform that independently monitors commercial and industrial solar across Pakistan, string by string — so what you read here comes from real systems, not brochures.
Four kinds of writing live here, and every figure is measured or cited — never invented:
- Field reports — recurring findings from our own monitoring data: what actually breaks on Pakistani solar, how often, and what it costs the owner.
- Analysis — straight answers to the questions a commercial or industrial owner actually asks: is my solar underperforming, what does O&M really cost, in-house vs independent monitoring.
- News — what changes in Pakistan’s energy rules mean for a business: net metering and net billing, tariffs, battery storage, and import duties.
- Case studies — named client stories, published only with consent, showing what independent monitoring found and fixed.
It is all written under the byline of Engr. Reyyan Niaz Khan, BijliBachao’s energy systems consultant · founder— the engineer behind the platform.
- Field reportThe State of C&I Solar in Pakistan — 2026 Field ReportWhat we actually find on commercial and industrial solar in Pakistan: 61% of monitored inverters had a dead string or went silent within 60 days, while their owners’ apps showed a healthy plant. A field report from real Solar Performance Cloud data.
- AnalysisIs Your Commercial Solar Quietly Underperforming?Most commercial solar in Pakistan loses output long before anyone notices — the app still shows green. Here are the signs your system is underperforming, why the meter hides it, and how to find out for sure.
- AnalysisIn-House vs Independent Solar Monitoring in PakistanShould a business watch its own commercial solar, or bring in an independent monitor? Here’s the honest trade-off — coverage, conflict of interest, and cost — for a C&I owner in Pakistan.
- AnalysisDust, Heat and Soiling: What It Costs Solar in PakistanPakistan’s dust and heat make solar soiling losses higher than temperate markets — and “clean it every few months” is a guess, not an answer. Here’s what soiling really costs and how to know when to wash.
- AnalysisWhat Solar O&M Really Costs a Business in PakistanThe biggest cost of solar O&M in Pakistan isn’t cleaning or site visits — it’s the output lost to faults nobody catches. Here’s where the real money goes, and how to spend less by finding problems sooner.
- AnalysisGenerator, Grid or Solar: Which Should You Run Right Now?A Pakistani business runs on grid, generator and solar at once — and which one to lean on changes through the day. Here’s why you can’t answer it from three separate meters, and how to see all three together.
- NewsBattery Storage Is Coming to Pakistan — Wait or Plan?Battery storage is arriving in Pakistan, and it changes the economics of commercial solar. Here’s an honest take on whether a business should wait or start planning — and what to get right first.
- Engineering noteWhen a meter goes offline, what number do you show?A meter drops for three hours, then reconnects with its register jumped forward. Do you show a zero, a smooth line, or the truth? How WattEY keeps the total honest and marks the timing unknown — an engineering note.
- Engineering noteNo data is not zero: the danger of a smooth lineThe most dangerous number on an energy dashboard is the one that was quietly made up. Why "no data" must never become a tidy zero or a smooth interpolated line — the trust principle behind SPC and WattEY.
- Engineering noteAnomaly detection is not engineering inspectionFlagging that a number moved is easy. Deciding whether it matters is the hard part. Why fixed-threshold anomaly detection drowns solar owners in alerts, and what engineering inspection does instead — an engineering note.
Looking for how-to depth? Browse the solar guides.