Home / Guides
Rooftop solar guides
Articles for homes and businesses in Tricity on system sizing, net metering with PSPCL, CPDL and UHBVN, the PM Surya Ghar subsidy, battery backup and choosing an installer.
Representative imageHome solar
How much does a 3 kW solar system cost in Mohali in 2026?
The 2026 price of a 3 kW rooftop solar system in Mohali before and after the ₹78,000 subsidy, which homes it suits, and what it saves on a PSPCL bill.
Representative imageSubsidy and net metering
Rooftop solar in Chandigarh: CPDL net metering and what is different
How rooftop solar works in Chandigarh in 2026: CPDL and JERC net metering, slab tariffs with no free units, the subsidy, and the city's 500 sq yd rule.
Representative imageSubsidy and net metering
Rooftop solar in Panchkula: UHBVN net metering explained
How rooftop solar works in Panchkula in 2026: UHBVN tariffs, HERC net metering, PM Surya Ghar, Haryana's SUPY help, and what solar saves.
Representative imageCommercial solar
Solar for small factories in Mohali's Industrial Area
What rooftop solar saves a small or medium factory on PSPCL's 2026-27 industrial tariff, how time-of-day billing affects it, sizing, shed roofs and payback.
Representative imageHome solar
Protecting rooftop solar in storms and the monsoon
Preparing rooftop solar in Tricity for pre-monsoon storms, lightning and heavy rain, what to check after a storm, and how output changes in the monsoon.
Representative imageHome solar
Reading your solar inverter app: what the numbers mean
What the figures in a solar inverter app mean, what a normal day looks like for a Tricity system, and the readings that mean you should call your installer.
Representative imageCommercial solar
Solar for hotels, restaurants and banquet halls in Zirakpur
What rooftop solar saves for hotels, restaurants and banquet halls on PSPCL's 2026-27 tariff, how time-of-day billing affects evening use, and how to size it.
Representative imageBuying guide
Choosing a solar inverter: type, size and certification
How to choose a rooftop solar inverter in Tricity: on-grid or hybrid, sizing against the panels, BIS standards, efficiency, warranty and where to mount it.
Representative imageCommercial solar
Rooftop solar for schools and coaching centres in Tricity
Why schools and coaching centres suit rooftop solar, the PSPCL, CPDL and UHBVN tariffs they pay in 2026-27, what holidays mean for savings, and typical payback.
Representative imageHome solar
How much does solar produce in each month in Tricity?
Month-by-month solar output per kW in Mohali, Zirakpur and Chandigarh, why winter and the monsoon dip, and how net metering carries spring surplus into summer.
Representative imageHome solar
Why is my solar producing less? Common causes and fixes
Normal monthly solar output in Tricity, and the common reasons a rooftop system makes less: season, dirt, shade, grid voltage and faults, and what to check.
Representative imageBuying guide
Questions to ask at a solar site survey
What a proper rooftop solar survey in Tricity should check, the questions to ask the surveyor on your roof, and what to have ready before they arrive.
Representative imageHome solar
Solar for kothis with three or more ACs: sizing and cost
Sizing rooftop solar for a large Mohali or Zirakpur kothi with three or more ACs: summer units, 8 to 13 kW systems, cost, the subsidy question and roof space.
Representative imageHome solar
Solar panel maintenance through the year in Tricity
A season-by-season maintenance plan for rooftop solar in Mohali and Chandigarh: what to do in smog, dust storms and the monsoon, and what to leave alone.
Representative imageHome solar
Charging an electric car or scooter with rooftop solar
How many units an electric car or scooter uses, how much rooftop solar covers it, planning for a future EV, the charger and Punjab's free units.
Representative imageBattery backup
Can I connect rooftop solar to my existing home inverter?
Three ways to combine rooftop solar with the inverter and batteries you already have in Tricity, what each does in a power cut, and which keeps the subsidy.
Representative imageBattery backup
How long will a solar battery last in a power cut?
How many hours a solar battery runs your home in a power cut, with typical loads, a table of battery sizes, and why daytime cuts are different with solar.
Representative imageBattery backup
Solar backup for home offices and online classes
How much battery a home office or a child's online class needs in Tricity's power cuts, what to put on backup, and when a hybrid solar system is worth it.
Representative imageBuying guide
DCR or non-DCR solar panels: which should you buy in 2026?
What DCR and non-DCR solar panels are, why the subsidy needs DCR, the 2026 Indian-cell rules for homes and businesses, and when skipping the subsidy costs less.
Representative imageBattery backup
Lithium or tubular battery for solar: a 10-year cost comparison
Lithium (LFP) and tubular batteries compared for home solar backup in Tricity: usable energy, life, upkeep and a 10-year cost example, and why LFP suits homes.
Representative imageBuying guide
Upfront payment or EMI: which works better for rooftop solar?
Paying upfront, a PM Surya Ghar bank loan or vendor finance for rooftop solar: what each really costs, why a low EMI can hide a bad deal, and how to decide.
Representative imageHome solar
Raised, low or canopy: which solar structure suits your roof?
The three ways to mount rooftop solar on a Tricity house, a low frame, a raised frame or a canopy, and what each means for roof space, cost, wind and leaks.
Representative imageBuying guide
Solar warranties explained: panels, inverter and workmanship
The warranties behind a rooftop solar system, how long each runs, what none of them cover, the five-year PM Surya Ghar system warranty, and how to make a claim.
Representative imageBuying guide
How to buy rooftop solar for your home in Tricity, step by step
The whole process of buying rooftop solar for a home in Mohali, Zirakpur or Chandigarh, from reading your bill to the net meter, and what to check at each step.
Representative imageHome solar
Solar on a rented house or a floor you do not own
Can tenants and builder-floor owners in Tricity install rooftop solar? Who can claim the subsidy, whose permission you need, and the shared-plant option.
Representative imageBuying guide
TOPCon, mono PERC or bifacial: which solar panel to choose in 2026?
How TOPCon, mono PERC and bifacial panels differ in efficiency, heat and ageing, what that means on a hot Tricity roof, and how to choose for a subsidy home.
Representative imageHome solar
How many solar panels does my home need? A guide for Tricity
Work out the number of solar panels from system size and panel wattage, the roof space they take, and typical panel counts for 2, 3 and 4 BHK homes in Tricity.
Representative imageBuying guide
Parts of a rooftop solar system and what to check in each
What each part of a rooftop solar system does, from the panels and inverter to the cables, earthing and net meter, and what to check for each one in a quote.
Representative imageSubsidy and net metering
Solar for housing societies in Punjab: common areas and shared plants
How flats and societies in Mohali and Zirakpur can use rooftop solar: common-area systems, PSERC's virtual net metering from July 2026, and the society subsidy.
Representative imageSubsidy and net metering
How to increase your sanctioned load with PSPCL before going solar
Why your sanctioned load limits the size of a solar system in Punjab, when PSPCL raises it with the solar application, the documents, charges and time limits.
Representative imageHome solar
Solar for one or two ACs: can 3 kW or 5 kW run a 1.5-ton AC?
How many units a 1.5-ton AC uses in a Tricity summer, what 3 kW and 5 kW systems make, and how to size solar for one or two ACs under Punjab's free units.
Representative imageBuying guide
Solar loans in 2026: PM Surya Ghar bank loans and EMIs explained
How PM Surya Ghar rooftop solar loans work in 2026: rates, limits, the documents banks ask for, an EMI example for a 3 kW home, and using the subsidy to prepay.
Representative imageSubsidy and net metering
Documents for PSPCL net metering: the complete list for 2026
Every document PSPCL asks for when a home or shop in Punjab goes solar: what you provide, what your installer uploads, and the time limits at each stage.
Representative imageHome solar
Solar panel tilt angle and direction for Mohali and Chandigarh
The best tilt and direction for rooftop solar at Tricity's latitude, what a flat or east-facing array loses, and why roof space often decides the angle.
Representative imageHome solar
How to clean solar panels in Tricity's dust and smog
Dust and smog can cut rooftop solar output in north India by a fifth or more. When to clean your panels, the safe way to do it, and the mistakes to avoid.
Representative imageBuying guide
How to compare solar quotations without being misled
Two solar quotes at the same price can be very different systems. The lines to check, the red flags in cheap quotes, and a worked comparison of two offers.
Representative imageBattery backup
On-grid or hybrid solar: which one suits your power cuts?
Why on-grid solar switches off in a power cut, what a hybrid system with a battery costs in 2026, and how to decide which one your home or shop needs.
Representative imageSubsidy and net metering
PM Surya Ghar ends in March 2027: what it means for your solar plans
The PM Surya Ghar subsidy rates are set only until 31 March 2027. What that means for homes in Punjab, how long the process takes, and when to start.
Representative imageCommercial solar
Solar for shops and clinics in Zirakpur: savings and payback
What rooftop solar saves a shop, showroom or clinic in Zirakpur on PSPCL's 2026-27 business tariff, with worked examples, depreciation, roof rights and backup.
Representative imageHome solar
What size solar system does my home need? Work it out from your bill
A step-by-step way to size a rooftop solar system from your electricity bill, with Punjab's free units, roof space and sanctioned load taken into account.
Representative imageHome solar
How much does a 5 kW solar system cost in Mohali in 2026?
The 2026 price of a 5 kW rooftop solar system in Mohali, what drives it, the ₹78,000 subsidy, GST after the 2025 cut, and the saving on a PSPCL bill.
Representative imageSubsidy and net metering
Net metering in Punjab: how PSPCL bills export and import units
How net metering works on a PSPCL bill in 2026: the two-way meter, export and import units, carry-forward, the settlement year, and the new rules for flats.
Representative imageSubsidy and net metering
PM Surya Ghar subsidy in Punjab: how to apply, step by step
How homes in Mohali, Zirakpur and Kharar claim up to ₹78,000 under PM Surya Ghar in 2026: portal steps, documents, PSPCL approval and mistakes to avoid.
Representative imageHome solar
Is rooftop solar worth it with Punjab's 300 free units?
Punjab homes get 300 free units a month. When rooftop solar still saves money, when it does not, and how to size a system around the free-unit limit.
Book a free site survey
Leave your name, number and area. What happens next:
Prefer to send your bill directly?
Monday to Saturday, 10 am to 7 pm. We speak Hindi, Punjabi and English.
Thank you. Your request has been received.
We will contact you, normally within one working day. Please keep your latest electricity bill to hand.
Send your bill on WhatsApp