☀️Location Report: Manassas, Virginia (20108)

Solar Panel & Energy Storage Calculator for Manassas, Virginia

Q: How much power does a 1 kW solar array produce annually in Manassas?

In Manassas, Virginia, a 1 kW array produces approximately 1419 kWh/kWp of electricity per year, supported by roughly 2,450 hrs annual peak sun hours and regional weather patterns.

Q: Are East-West roof configurations viable in Manassas?

Yes. While East-West roofs yield about 10% to 15% less total annual energy than ideal South-facing roofs, they generate power earlier in the morning and later in the afternoon, aligning well with peak Time-of-Use utility rate hours.

Q: How does tree or roof shading affect solar output?

Modern systems using module-level power electronics (MLPE) like microinverters or DC optimizers prevent partial shading on one panel from dragging down the production of the entire string.

Installing a solar energy system in Manassas, Virginia protects against volatile retail electric tariffs while generating clean, local power for your home.

⌘K

Nearby:Centreville (7 mi)Lake Ridge (11 mi)Burke (11 mi)

Specific Solar Yield1419kWh / kWp annual

Utility Power Rate14.0¢ / kWh avg

Degree Days (HDD)2513Heating Degree Days

Federal Tax Credit30%Residential ITC (Sec. 25D)

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☀️ Solar & Photovoltaic: Manassas, Virginia

Calibrated for coordinates (38.75° N, 77.48° W)

ZIP: 20108

Yield Model

Solar Yield Manassas

Simulated with local solar irradiance (1,419 kWh/kWp) and roof geometry.

Annual Yield

11,352

kWh / yr

Peak System Power

Solar System Capacity8 kWp

1 kWp (Small / Garage)40 kWp (Full Roof)

Roof Geometry

Roof Pitch & Orientation

Annual Household Load

kWh

Grid Electricity Rate Auto-Sync

$/kWh

Currently calculating with: $0.23/kWh

📍Manassas (1419 kWh/kWp)

Energy Distribution

100% PV

Self-Consumed3,139 kWh28 % on-site

Grid Export8,213 kWh72 % exported

Total Net Benefit

$1,167/ yr

approx. $97 monthly bill offset

Utility bill savings:+ $715

Export credits:+ $452

Est. Hardware Cost~$22,597

Payback

~19.4 yrs

📍Production Profile in Manassas

Generating roughly 1419 kWh per kWp annually, solar installations in Manassas reliably offset high summer air conditioning loads and domestic electricity demand.

Pairing clean generation with flexible loads in Manassas helps maximize self-reliance and hedges against fluctuating retail tariffs.

🏛️Local Framework in Virginia

Installations in Virginia qualify for the 30% Federal Clean Energy Investment Tax Credit (Section 25D ITC), substantially lowering upfront equipment and installation costs.

Local net billing policies and average electricity rates of 14.0¢/kWh directly determine investment payback timelines.

Regional Network

Rooftop Solar & Output near Manassas

All locations in Virginia

Compare location-specific solar yields, power rates, and clean energy potential across communities near Manassas.

❓Frequently Asked Questions: Solar & Photovoltaic in Manassas

Local insights on yields, utility rates, and incentives across Manassas:

How much power does a 1 kW solar array produce annually in Manassas?▼

In Manassas, Virginia, a 1 kW array produces approximately 1419 kWh/kWp of electricity per year, supported by roughly 2,450 hrs annual peak sun hours and regional weather patterns.

How does Net Metering work with utilities in Virginia?▼

Utility net metering policies across Virginia determine whether surplus solar sent to the grid earns full retail rate credits or wholesale avoided-cost tariffs. This rate policy directly dictates whether adding battery storage is financially essential.

How does tree or roof shading affect solar output?▼

Modern systems using module-level power electronics (MLPE) like microinverters or DC optimizers prevent partial shading on one panel from dragging down the production of the entire string.

Are East-West roof configurations viable in Manassas?▼

Yes. While East-West roofs yield about 10% to 15% less total annual energy than ideal South-facing roofs, they generate power earlier in the morning and later in the afternoon, aligning well with peak Time-of-Use utility rate hours.

Does the 30% Federal Clean Energy Tax Credit apply in Virginia?▼

Yes. Homeowners in Manassas and across Virginia qualify for the 30% Federal Residential Clean Energy Credit (IRC Section 25D) on equipment and installation costs for qualifying solar and battery projects.

Does rooftop solar pay off without battery storage in Manassas?▼

Yes. In utilities offering favorable 1:1 net metering, solar arrays without batteries offer the fastest return on investment and shortest payback periods due to lower initial capital expenditure.

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Solar Panel & Energy Storage Calculator for Manassas, Virginia

☀️ Solar & Photovoltaic: Manassas, Virginia

Solar Yield Manassas

📍Production Profile in Manassas

🏛️Local Framework in Virginia

Rooftop Solar & Output near Manassas

❓Frequently Asked Questions: Solar & Photovoltaic in Manassas

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