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Perspectives on clean energy investing

Analysis, market commentary, and practical guidance from the Sunlight Energy Investments team. For short definitions of the terms used here, see the solar finance glossary.

Rooftop solar array on a commercial building
Real Estate

How can REITs and commercial property owners add solar and storage?

REITs and landlords can host solar through owner-funded systems, roof leases, third-party PPAs, or community-solar host deals. Structure, tenant billing, and roof diligence decide whether it works.

6 min readRead article
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Analysts using operations software to review solar fleet data
Asset Management

How is AI used in solar and storage operations?

AI is moving from generation forecasts into day-to-day solar and storage operations. Platforms such as enSights connect performance data to revenue—without replacing O&M accountability.

7 min read
Advisors reviewing a solar finance model and term sheet
Finance

How is a solar project financed?

A solar capital stack layers sponsor equity, tax equity or a credit transfer, construction debt, and term debt or back-leverage on one set of contracted cash flows.

7 min read
Advisors discussing federal tax-credit documents
Finance

What does the end of the ITC mean for solar and storage?

The One Big Beautiful Bill Act ends clean electricity credits for wind and solar that miss construction and placed-in-service gates. Storage remains on a different §48E path.

7 min read
Professionals reviewing grid and interconnection documents
Development

Why is interconnection the biggest bottleneck in U.S. solar?

U.S. interconnection queues remain the largest schedule risk in solar development. Queue position, upgrade costs, and cluster-study rules decide whether a project reaches COD.

6 min read
Battery energy storage containers installed beside a solar field
Storage

How do battery energy storage projects make money?

BESS projects stack energy arbitrage, capacity, ancillary services, and contracted offtake. Storage tax treatment now differs from solar after federal credit changes.

7 min read
Corporate team workshopping a clean-energy procurement plan
Advisory

What is a virtual PPA and how do corporates use it?

A virtual PPA is a contract-for-differences that lets a company buy clean energy and RECs at scale without hosting an array. Credit, basis, and additionality decide whether it works.

6 min read
Rows of servers in a data-center hall
Digital Infrastructure

Why do data centers need clean energy?

AI and cloud load is lifting U.S. electricity demand. Pairing data-center growth with solar and storage is both a grid-reliability issue and an infrastructure investment.

7 min read
Advisors reviewing a solar finance model and term sheet
Finance

What is tax equity in solar finance?

Tax equity monetizes the federal investment tax credit and depreciation. Partnership flips, sale-leasebacks, inverted leases, and Section 6418 transfers are the main tools.

8 min read
Aerial view of a large ground-mount solar array
Investing

Why does solar infrastructure belong in institutional portfolios?

Institutional investors allocate to U.S. solar because contracted cash flows, real assets, tax benefits, and measurable ESG impact can sit alongside traditional portfolio holdings.

6 min read
Analysts comparing contracted and merchant solar scenarios
Investing

What is the difference between merchant solar and contracted offtake?

A contracted PPA locks price and volume; merchant solar sells into wholesale markets. The mix determines risk, leverage, and whether a project is financeable.

6 min read
Crew installing solar panels at a development site
Development

What makes a solar site bankable?

A bankable site has controllable land, a viable resource, nearby interconnection, and a permitting path that can be completed before financing and construction windows close.

6 min read
Solar panels in a shared community array under a clear sky
Markets

What is community solar and how does it expand access?

Community solar lets households and businesses subscribe to a shared array and receive bill credits—expanding clean energy access without rooftop ownership.

5 min read
Aerial solar array representing generation that creates RECs
Finance

What are renewable energy credits and how do they add solar revenue?

A REC is the environmental attribute of one megawatt-hour. Bundled PPAs, unbundled sales, and state SREC markets can add a second cash-flow stream beside energy.

5 min read
Team reviewing solar offtake documents at a conference table
Advisory

What makes a solar PPA bankable?

A bankable solar PPA has a creditworthy offtaker, a tenor that matches the capital stack, defensible pricing, and clear allocation of curtailment and change-in-law risk.

7 min read
Team collaborating around a table during project diligence
Diligence

How do you underwrite a solar project?

Solar underwriting covers technical, commercial, and financial diligence—resource, interconnection, offtake, capex, and tax-credit eligibility—before capital is committed.

6 min read
Investment team reviewing a diversified solar portfolio
Investing

How should institutional investors build a solar portfolio?

A solar portfolio is diversified by market, offtaker, technology, and vintage. LPs underwrite the manager’s process as much as any single plant.

7 min read
Rooftop solar array on a commercial building
Markets

What is commercial and industrial (C&I) solar?

C&I solar delivers on-site or offsite clean power to businesses through ownership or a PPA, giving offtakers predictable energy costs and investors contracted cash flows.

5 min read
Operations team monitoring solar asset performance on laptops
Asset Management

How does O&M protect long-term solar yield?

Solar operations and maintenance protect production over a 25-year-plus life through monitoring, preventive and corrective work, vendor accountability, and lifecycle planning.

6 min read
Solar array illustrating measurable clean-energy generation
ESG

Can ESG investing in clean energy deliver returns and impact?

ESG in solar is credible when contracted cash flows and measured MWh sit together. Labels without production data are marketing, not underwriting.

5 min read
Wide aerial of a utility-scale solar plant
Markets

What is utility-scale solar?

Utility-scale solar is a large ground-mount plant selling power under a long-term PPA. The investment case is contracted cash flow; the development case is land, queue, and offtake.

6 min read
Grid-scale battery containers paired with a solar project
Storage

Why pair solar with battery storage?

Storage firms intermittent solar, shifts energy into higher-value hours, and can still claim investment-credit treatment that now outlasts many solar credits.

6 min read
Solar finance glossary

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