• By Best Solar Company PK
  • 07 Oct, 2026
  • Net Metering
  • 8 min read

If you are a Pakistani homeowner planning to go solar in 2026, there is a hard truth you need to hear before you pay any advance to an installer: under NEPRA's new rules, **net metering now requires a three-phase connection**, and most single-phase houses simply cannot apply until they upgrade. This single requirement is quietly derailing thousands of solar plans across Lahore, Karachi, and Islamabad.

The change comes from the **National Electric Power Regulatory Authority (Prosumer) Regulations, 2026**, issued under SRO 251(I)/2026, which replaced the old 2015 Net Metering Regulations. If your home runs on an ordinary single-phase meter — as the vast majority of Pakistani households do — you are on the wrong side of the eligibility line. Let's break down exactly why, and what fixing it will cost you.

Why single-phase homes are locked out

The 2026 regulations spell out eligibility clearly. Net metering (now technically "net billing") applies only to distributed generation facilities connected at **three-phase 400V or 11kV** voltage levels. The rules state that applicants must be *three-phase 400V or 11kV* domestic, commercial, industrial, agricultural, or general-services consumers.

Read that again. A standard single-phase, 230V domestic connection is **not** on the list. That is the entire problem.

Historically, DISCOs sanction single-phase connections for lighter loads — typically up to around 5kW — while three-phase service is reserved for homes and businesses with higher sanctioned loads. So the new rule creates a double barrier for the average household:

  • **No three phase, no application.** The meter type itself disqualifies you.
  • **Sub-5kW homes rarely qualify for three-phase.** DISCOs grant three-phase connections to premises with meaningful load, so a small home on a 2–4kW single-phase supply has nothing to convert to without also raising its sanctioned load.

In practice, the policy pushes net metering out of reach for the typical single-phase, sub-5kW household — you must first become a three-phase consumer with enough sanctioned load to matter.

The sanctioned-load cap makes it worse

Even after you go three-phase, a second rule bites. Under the 2026 framework, **your solar system cannot exceed your sanctioned load**. Previously you could install up to 1.5x your sanctioned load; now a 5kW sanctioned load means a 5kW system, full stop.

There is also an **80% transformer cap**: DISCOs are barred from approving new net-metering applications once the cumulative distributed generation on a particular distribution transformer reaches 80% of its rated capacity. In densely solarised neighbourhoods, your transformer may already be "full," regardless of your meter.

What the connection upgrade actually costs

Here is the part installers often skip. Converting from single-phase to three-phase and enhancing your sanctioned load is a formal DISCO process with real charges. Based on current 2026 DISCO schedules, expect roughly the following:

| Cost item | Single-phase (existing) | Three-phase upgrade (2026) | |---|---|---| | Connection / meter cost | PKR 5,000 – 8,000 | PKR 15,000 – 25,000 | | Security deposit (load extension) | — | PKR 1,220 per kW of new load | | Internal wiring / DB rework | varies | PKR 20,000 – 60,000+ | | Wiring test report & processing | minimal | included in application |

So if you raise your sanctioned load from, say, 4kW single-phase to 10kW three-phase, the security deposit alone is roughly **6kW × PKR 1,220 ≈ PKR 7,320** on top of the three-phase connection fee. Add the internal rewiring most older homes need to safely carry a three-phase board, and a realistic all-in upgrade budget lands around **PKR 50,000 to PKR 120,000** before a single solar panel goes up.

### How to apply for the upgrade

The load-enhancement and phase-conversion request goes through your DISCO:

1. Apply via the **ENC portal** under "Change of Load" (or your DISCO's equivalent). 2. Submit a **wiring test report** from a licensed electrician, your CNIC, and a recent bill. 3. Pay the revised **security deposit** on the new load. 4. NEPRA's service rules give the DISCO **30 days** to energise a residential load up to 15kW.

Only once your three-phase connection is live can you lodge the actual net-metering (net-billing) application.

Do the economics still work in 2026?

This is the question that matters, because the upgrade cost is now part of your payback calculation. The bigger shift in 2026 is from **net metering to net billing**. Instead of offsetting your exported units against imported units at retail rate, you are now paid a lower wholesale rate for exports:

  • **New prosumers:** exports credited at roughly **PKR 11 per unit** (National Average Energy Purchase Price).
  • **Existing/grandfathered prosumers:** around **PKR 27 per unit**.
  • **Imports:** billed at full retail — commonly **PKR 37 to 55 per unit**, with three-phase homes using over 600 units often around **PKR 47**.

Because imports cost far more than exports earn, the winning strategy in 2026 is **self-consumption** — use your solar during daylight rather than banking it. That math still favours solar, but the thin export rate means every extra rupee of upfront cost, including the connection upgrade, lengthens your payback. For a deeper comparison, see our guide on net metering versus net billing in Pakistan and our breakdown of current solar system prices.

One practical tip from the field

From installations we have handled this year, the costliest mistake is paying a solar advance **before** confirming your connection eligibility. Do it in the right order: first apply for the three-phase conversion and load enhancement, get it energised, *then* finalise your solar contract sized to your new sanctioned load. Reversing this sequence leaves panels on your roof that the DISCO will refuse to net-meter — a dead investment until the paperwork catches up.

If you signed a net-metering agreement **before 9 February 2026**, good news: you are grandfathered under the old net-metering terms until your contract expires, so none of the three-phase or net-billing rules apply to you yet.

Frequently Asked Questions

**Can I still get net metering on a single-phase connection in 2026?** No. NEPRA's 2026 Prosumer Regulations limit eligibility to three-phase 400V and 11kV consumers. A single-phase home must convert to three-phase before it can apply.

**Is there really a 5kW minimum for net metering now?** There is no explicit "5kW" line in the regulation, but in practice yes — three-phase connections are granted to homes with higher sanctioned loads, and your system is capped at that sanctioned load. Small sub-5kW single-phase homes effectively cannot qualify without upgrading.

**How much does it cost to upgrade from single-phase to three-phase in Pakistan?** Budget roughly PKR 50,000 to PKR 120,000 all-in: about PKR 15,000–25,000 for the three-phase connection, a security deposit of PKR 1,220 per kW of added load, plus internal rewiring costs that vary by home.

**What happens to my old net-metering agreement?** Agreements signed before 9 February 2026 are grandfathered. You keep your existing net-metering terms and the higher ~PKR 27 export rate until the contract ends.

The bottom line

Net metering in Pakistan is no longer a plug-and-play decision for ordinary homes. NEPRA's 2026 rules make a **three-phase connection and adequate sanctioned load the real entry ticket** — and that ticket costs tens of thousands of rupees most buyers never budgeted for. Factor the upgrade into your payback, size your system to self-consumption, and get your connection sorted first. **Talk to Best Solar Company PK for a free eligibility check before you commit** — we will confirm your phase, load, and transformer headroom so your solar investment actually earns from day one.

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Best Solar Company PK designs and installs reliable solar systems in Rawalpindi, Islamabad, Lahore, Multan, Taunsa Sharif and Karachi. Contact us for a free survey and the best advice for your home or business.