We've partnered with Nuveen Real Estate to pinpoint solar feasibility across 1,400+ properties See press release

The enterprise solar platform

The smartest way to profit from cutting carbon across your buildings

Trusted by the biggest names in real estate and sustainability

Every property type | Every financing strategy

Supercharged by software

Solar can now be a moneymaker, but historically it’s been maddeningly difficult to work out the economics. That all changes with Lumen. Get immediate, actionable underwriting from powerful financial models powered by reams of data.

Financing options side by side

One investment-grade financial model puts you in control. Consistently compare returns for all transaction types, from cash purchase to loans to PPAs to community solar.

Instant proformas

Download solar XLS models for any property—always powered by the latest market, incentive and utility data.

Easy property qualifications

Refine estimates with your energy and property data using simple, shareable workflows.

Competitive bids in
every market

Tap into a nationwide network of solar providers. Pre-qualified bidders compete on your terms in one consistent financial model.

Seamless asset management

Make the most of your solar assets, from performance diagnostics to solar revenue accounting to GRESB reporting.

Solar without the suffering

Battling stale solar proposals and consulting reports? We’re tracking your roof space, estimated energy consumption, utility tariffs, eligible tax credits, solar hardware and installation costs—in real time. For every property, simply download your investment report and financial model to get stakeholder approval.

One platform for every team


A partner to guide my solar strategy

Asset Management & Procurement

Competitive PPA offers


Portfolio-wide solar feasibility evaluation


Manage my distributed solar assets


Check the box on solar + batteries

Lumen Energy is conducting solar feasibility studies of Nuveen Real Estate’s entire U.S. portfolio, a diverse collection of more than 1,500 properties across geographies and building types. Lumen’s unique technology allows us to meet our portfolio-wide feasibility goal well ahead of schedule. More important, Lumen will hand our PM teams actionable solar financing offers for every viable asset, empowering them to deploy on-site clean energy at scale.

Brittany Ryan

Head of Sustainability,
Americas at Nuveen Real Estate

Lumen is our trusted clean energy partner. What sets Lumen apart is a singular focus on optimizing value for the building owner. And critically for us, Lumen is agnostic to capital structure – if we want to self-finance, take on CPACE debt, or get third party PPAs – Lumen’s platform allows us to advance our clean energy strategy with speed and confidence.

Adam Slakman

Vice President, Global ESG at Hines

ESG is redefining what it means to thrive in real estate. We chose to lead. Lumen’s platform powers our new renewable energy vertical.

Robert Morse

Executive Chairman of Bridge Investment Group

We know solar can be accretive to a growing number of properties as a clean energy solution. We were very pleased to discover a way to quickly install solar on qualified multifamily properties and see immediate savings both in our property management costs and for our residents' utility bills — all for $0 CapEx.

Rachel Diller

Senior Managing Director,
Acquisitions and Co-Chief
Investment Officer for Bridge
Workforce & Affordable Housing

Net-zero heroes:
You’ve come to the right place.

Estimated Energy Baselines

Instant energy and CO2 emissions estimates for every property – accounting for building age, climate zone, and use case – based on our data partnerships with U.S. National Labs.

24/7 CO2 Emissions Tracking

Our solar systems provide near-real-time monitoring of clean energy production and CO2 emissions relative to your local grid, based on data from US EPA.

Energy Data Collection

Systemically verify energy consumption history from tenants, utilities or third party service providers with integrated tooling and workflows.

GRESB & EnergyStar Reporting

We accurately map your data to GRESB, EnergyStar, and other ESG performance standards to streamline your solar reporting.

Ready to see the solar potential across your portfolio?

Leading real estate firms are leveraging solar to unlock new NOI, attract the best tenants, and meet investor demands.