PM Surya Ghar: the subsidy maths every EPC should know
What PM Surya Ghar actually pays, when the money lands, and the five places a residential rooftop deal stalls between quotation and subsidy disbursement.
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Field notes for solar EPC teams.
How to design faster, quote with proof, and stop losing deals to the follow up.
Getting empanelled in a new DISCOM without stalling work
Registering on the national portal does not let you install in a new territory. What DISCOM level empanelment asks for, and how to sequence it against your sales.
Bill of materials mistakes that eat a signed job's margin
The margin on a rooftop job is usually lost after signature, in items nobody priced. Fourteen line items that go missing, and the two clauses that protect you.
PM Surya Ghar 2.0 may pay for generation, not installation
MNRE is reportedly weighing a performance linked redesign of the subsidy. Nothing is notified, but what it would mean for an EPC's economics is worth thinking about.
New CEA standards land in April 2027. Check your BOM
The CEA notified amended technical standards in July 2026, effective April 2027: 25 year design life, bypass diodes and salt mist testing near the coast.
Rooftop first, then open access, in that order
C and I buyers are moving on both at once and getting the sequence wrong. Why the roof comes first, what open access is actually for, and how to pitch both.
Sizing a system from the customer's electricity bill
The bill carries six numbers that decide system size, and most site visits read only one. How to size a rooftop system before you have measured the roof.
Societies get Rs 18,000 per kW. Most quotes get it wrong
Group housing societies have their own subsidy rate, their own cap and a DCR condition. The four things that sink a society proposal, and how to price around them.
Your inverter brand may be off the PM Surya Ghar list
MNRE has told inverter makers to host monitoring servers and generation data inside India. Brands that did not confirm cannot be installed under the scheme.
The growth is in Nagpur and Varanasi, not Mumbai
India added 6.6 GW of rooftop solar in the first half of 2026 and the districts leading it are not the metros. What that does to an EPC's sales geography.